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- Answered
- Review
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Question 1 of 161
1. Question
Patient with hypersecretion of the gastric juices was recomended to exclude from the diet concentrated bouillons and vegetable decoctions because of their stimulation of gastric secretion. What is dominating mechanism of stimulation of secretion in this case?
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Question 2 of 161
2. Question
Person felt thirsty after staying in heat for a long time. Signals of what receptors caused it first of all?
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Question 3 of 161
3. Question
An individual is characterized by rounded face, broad forehead, a mongolian type of eyelid fold, flattened nasal bridge, permanently open mouth, projecting lower lip, protruding tongue, short neck, flat hands, and stubby fingers. What diagnosis can be put to the patient?
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Question 4 of 161
4. Question
Purulent endometritis developed in a woman after delivery. Treating with antibiotics inhibitors of murein synthesis was ineffective. Wide spectrum bactericidal antibiotic was administered to her. In 6 hours temperature rapidly increased up to 400C with shiver. Muscle pains have appeared. BP dropped down to 70/40 mmHg. Oligura has developed. What is the main reason for the development of this condition?
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Question 5 of 161
5. Question
Secretion of which gastrointestinal hormones is primerily decreased in patient with removed duodenum?
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Question 6 of 161
6. Question
A 2-year-old child experienced convulsions because of lowering calcium ions concentration in the blood plasma. Function of what structure is decreased?
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Question 7 of 161
7. Question
While emotional excitement the heart rate in a 30-year-old person run up to 112 Bpm. What part of the conducting system of the heart caused it?
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Question 8 of 161
8. Question
Usage of oral contraceptives with sex hormones inhibits secretion of the hypophysiae hormones. Secretion of which of the indicated hormones is inhibited while using oral contraceptives with sex hormones?
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Question 9 of 161
9. Question
During the breakout of acute respiratory infection in order to diagnose influenza the express-diagnosis, based on revealing of specific viral antigen in the examined material (nasopharyngial lavage), is carried out. Which reaction is used for this?
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Question 10 of 161
10. Question
A 38-year-old woman was admitted to the admission-diagnostic department with uterine bleeding. What are the most likely changes of blood?
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Question 11 of 161
11. Question
Due to action of electric current on the exitable cell there appeared depolarization of its membrane. Movement of what ions through the membrane caused depolarisation?
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Question 12 of 161
12. Question
The high level of Lactate Dehydrogenase (LDH) isozymes concentration showed the increase of LDH-1 and LDH-2 in a patient’s blood plasma. Point out the most probable diagnosis:
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Question 13 of 161
13. Question
There is only one hormone among the neurohormones which refers to the derivatives of amino acids according to classification. Point it out:
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Question 14 of 161
14. Question
The sterile Petri dishes and pipettes are necessary to prepare for microbiological tests in bacteriological laboratory. What way of sterilization should be applied in this case?
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Question 15 of 161
15. Question
A patient after hypertension stroke does not have voluntary movements in his right arm and leg with the increased muscle tone in these extremites. What type of disfunction of nervous system is it?
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Question 16 of 161
16. Question
Blood analysis of a patient showed signs of HIV infection (human immunodeficiency virus). Which cells does HIV-virus primarily affect?
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Question 17 of 161
17. Question
The preventive radioprotector was given to a worker of a nuclear power station. What mechanism from the below mentioned is considered to be the main mechanism of radioprotection?
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Question 18 of 161
18. Question
X-ray examination discovered lungs emphysema in the patient. What is the reason of short breath development in this case?
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Question 19 of 161
19. Question
On experiment on the dog the peripheral part of nervus vagus of the neck was irritated. What changes of the heart function would be observed?
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Question 20 of 161
20. Question
Power inputs of a boy increased from 500 to 2000 kJ pro hour. What can be the cause of it?
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Question 21 of 161
21. Question
A student is thoroughly summarising a lecture. When his groupmates begin talking the quality of the summarising worsens greatly. What type of inhibition in the cerebral cortex is the cause of it?
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Question 22 of 161
22. Question
In the experiment on the animal the part of the cerebral cortex hemispheres was removed. It caused elimination of previously formed conditioned reflex to the light irritation. What part of the cortex was removed?
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Question 23 of 161
23. Question
Inhibition of alpha-motoneuron of the extensor muscles was noticed after stimulation of alpha-motoneuron of the flexor muscles during the experiment on the spinal column. What type of inhibition can this process cause?
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Question 24 of 161
24. Question
Respiratory coefficient was studied in the patient who strictly kept certain diet for 10 days. It was determined that it is 1. What diet does the patient follow?
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Question 25 of 161
25. Question
On blood grouping on the system ABO, standart serum of the I and II groups caused erythrocytes agglutination of the examined blood and serum group of the III did not. What agglutinogens are in this erythrocytes?
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Question 26 of 161
26. Question
Punctata hemorrhage was found out in the patient after application of a tourniquet. With disfunction of what blood cells is it connected?
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Question 27 of 161
27. Question
Students who are taking examinations often have dry mouth. The mechanism that causes this state is the realization of the following reflexes:
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Question 28 of 161
28. Question
Middle part of cochlear of internal ear was destroyed in animal while experiment. It will cause abnormalities of the sound perception of the following frequencies:
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Question 29 of 161
29. Question
The person has decreased diuresis, hypernatremia, hypokalemia. Hypersecretion of what hormon can cause such changes?
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Question 30 of 161
30. Question
The temperature of the ambient environment is 38oC and relative air humidity is 50%. What ways of heat emission provide maintaining a constant temperature of the human body?
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Question 31 of 161
31. Question
The minute blood volume in a patient with transplanted heart has increased as a result of physical activity. What regulative mechanism is responsible for these changes?
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Question 32 of 161
32. Question
Isolated muscle of a frog is rhythmically irritated with electric impulses. Every next impulse is in a period of relaxation from the previus contraction. What contraction of the muscle appears?
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Question 33 of 161
33. Question
A 30 year old woman has subnormal concentration of enzymes in the pancreatic juice. This might be caused by the hyposecretion of the following gastrointestinal hormone:
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Question 34 of 161
34. Question
A patient has a trauma of sternocleidomastoid muscle. This caused a decrease in value of the following indicator of external respiration:
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Question 35 of 161
35. Question
A man has normal sensitivity of his finger skin, however he doesn’t sense his wedding ring around the finger. What process induced by wearing of the ring has caused this phenomenon?
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Question 36 of 161
36. Question
An aged man had raise of arterial pressure under a stress. It was caused by activation of:
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Question 37 of 161
37. Question
A month after surgical constriction of rabbits renal artery the considerable increase of systematic arterial pressure was observed. What of the following regulation mechanisms caused the animals pressure change?
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Question 38 of 161
38. Question
A child has abnormal formation of tooth enamel and dentin as a result of low concentration of calcium ions in blood. Such abnormalities might be caused by deficiency of the following hormone:
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Question 39 of 161
39. Question
A sportsman was examined after an intensive physical activity. The examination revealed disorder of movement coordination but the force of muscle contractions remained the same. It can be explained by retarded speed of excitement conduction through:
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Question 40 of 161
40. Question
After a long training session a sportsman has developed fatigue accompanied by abrupt performance decrement. What link of the reflex arch was the fatigue initiated in?
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Question 41 of 161
41. Question
ECG study showed that the T-waves were positive in the standard extremity leads, their amplitude and duration were normal. The right conclusion would be that the following process runs normally in the heart ventricles:
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Question 42 of 161
42. Question
Blood minute volume of a 30 year old woman at rest is 5 l/m. What blood volume is pumped through the pulmonary vessels per minute?
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Question 43 of 161
43. Question
As a result of long-term starvation the glomerular filtration of a man was accelerated by 20%. The most probable cause of filtration changes under such conditions is:
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Question 44 of 161
44. Question
In course of an experiment a skeletal muscle is being stimulated by a series of electric impulses. What type of muscle contraction will arise, if every subsequent impulse comes in the period of shortening of the previous single muscle contraction?
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Question 45 of 161
45. Question
A patient under test was subjected to a moderate physical stress. His minute blood volume amounted 10 l/min. What blood volume was pumped through his lung vessels every minute?
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Question 46 of 161
46. Question
A patient presents with the following motor activity disturbances: tremor, ataxia and asynergia movements, dysarthria. The disturbances are most likely to be localized in:
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Question 47 of 161
47. Question
A man has a considerable decrease in diuresis as a result of 1.5 l blood loss. The primary cause of such diuresis disorder is the hypersecretion of the following hormone:
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Question 48 of 161
48. Question
While shifting the gaze to the closely situated object the refracting power of eyes optical mediums will increase by 10 diopters. It results from changing of such eye structure:
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Question 49 of 161
49. Question
Spasm of smooth muscle of bronchi developed in the patient. Usage of activators of what membrane cytoreceptors will physiologically lead to decrease attack?
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Question 50 of 161
50. Question
Intrapleural pressure is being measured in a person. In what phase has a person hold his breath if the pressure is – 25 cm H2O?
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Question 51 of 161
51. Question
On examination of the person it was revealed that minute volume of heart is 3500 mL, systolic volume is 50 mL. What is the frequency of cardiac contraction?
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Question 52 of 161
52. Question
Due to activation of ion channels of external membrane of excitable cell its rest potential has significantly increased. What channels were activated?
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Question 53 of 161
53. Question
The ventral roots of 5 frontal segment of spinal cord were cut during experiment in the animal. What changes will take place in the innervation region?
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Question 54 of 161
54. Question
Glomerular filtration rate (GFR) increased for 20% due to prolonged starvation of the person. The most likely cause of filtration changes under this conditions is:
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Question 55 of 161
55. Question
A patient has a transverse disruption of spinal cord below the IV thoracic segment. What changes of respiration will it cause?
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Question 56 of 161
56. Question
Due to cranial trauma the patient developed the symptoms: intention tremor, dysmetry, adiadochokinesis, dysarthria. What structure of the brain is injured?
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Question 57 of 161
57. Question
A lightly dressed man is standing in a room, air temperature is +140C, windows and doors are closed. In what way does he emit heat the most actively?
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Question 58 of 161
58. Question
ECG of a patient with hyperfunction of thyroid gland showed heart hurry. It is indicated by depression of the following ECG element:
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Question 59 of 161
59. Question
A peripheral segment of vagus nerve on a dogs neck was being stimulated in course of an experiment. The following changes of cardiac activity could be meanwhile observed:
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Question 60 of 161
60. Question
ECG of a patient shows prolongation of T-wave. This is caused by deceleration in ventricles of:
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Question 61 of 161
61. Question
In a healthy adult speed of the excitement conduction through the atrioventricular node is 0.02-0.05 m/sec. Atrioventricular delay enables:
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Question 62 of 161
62. Question
A 2 y.o. child has convulsions as a result of lowered concentration of calcium ions in blood plasma. It is caused by reduced function of:
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Question 63 of 161
63. Question
What heat transfer mechanism is the most effective while the man being at 80% of air moisture and the temperature +350C ?
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Question 64 of 161
64. Question
During preparation of a patient to a heart surgery it was necessary to measure pressure in heart chambers. In one of them pressure varied from 0 mm Hg up to 120 mm Hg within one cardiac cycle. What heart chamber is it?
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Question 65 of 161
65. Question
Heart rate of a man permanently equals to 40 beats per minute. What is the pacemaker?
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Question 66 of 161
66. Question
Stimulation of an excitable cell by the electric current has led to the depolarization of its membrane. The depolarization has been caused mainly by the following ions penetrating into the cell through its membrane:
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Question 67 of 161
67. Question
Parents of a 10 y.o. boy consulted a doctor about extension of hair-covering, growth of beard and moustache, low voice. Intensified secretion of which hormone must be assumed?
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Question 68 of 161
68. Question
Lung ventilation in a person is increased as a result of physical activity. Which of the following indices of the external respiration is much higher than in a state of rest?
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Question 69 of 161
69. Question
A man took a quiet expiration. Name an air volume that is meanwhile contained in his lungs:
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Question 70 of 161
70. Question
Examination of an isolated cardiomyocyte revealed that it did not generate excitation impulses automatically. This cardiomyocyte was obtained from:
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Question 71 of 161
71. Question
Examination of a man established that cardiac output equaled 3500 ml, systolic output – 50 ml. What is the man’s heart rate pro minute?
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Question 72 of 161
72. Question
As a result of continuous starvation the glomerular filtration rate has increased by 20%. The most probable cause of the glomerular filtration alteration under the mentioned conditions is:
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Question 73 of 161
73. Question
A man who went for a ride on a roundabout had amplification of heart rate, sweating and nausea. What receptors stimulation is it primarily connected with?
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Question 74 of 161
74. Question
A man’s intrapleural pressure is being measured. In what phase did the man hold his breath, if his pressure is 7.5 cm Hg?
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Question 75 of 161
75. Question
Atria of an experimental animal were superdistended by blood that resulted in decreased reabsorption of Na+ and water in renal tubules. This can be explained by the influence of the following factor upon kidneys:
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Question 76 of 161
76. Question
A middle-aged man went to a foreign country because he had been offered a job there. However he had been unemployed for quite a long time. What endocrine glands were exhausted most of all in this man?
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Question 77 of 161
77. Question
A 42 year old patient complains of pain in the epigastral area, vomiting; vomit masses have the colour of “coffee-grounds”, the patient has also melena. Anamnesis records gastric ulcer. Blood formula: erythrocytes – 2.81012l, leukocytes – 8*109l, Hb- 90 g/l. What complication is it?
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Question 78 of 161
78. Question
A 60-year-old man after cerebral hemorrhage felt asleep for a long time. Damage of what structure caused this state?
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Question 79 of 161
79. Question
A human body cools in water much faster that in the air. What way of heat emission in water is much more efficient?
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Question 80 of 161
80. Question
As a result of spinal-cord trauma a 33 y.o. man has a disturbed pain and temperature sensitivity that is caused by damage of the following tract:
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Question 81 of 161
81. Question
After a surgery a 36-year-old woman was given an intravenous injection of concentrated albumin solution. This has induced intensified water movement in the following direction:
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Question 82 of 161
82. Question
A clinic observes a 49 year old patient with significant prolongation of coagulation time, gastrointestinal haemorrhages, subcutaneous hematomas. These symptoms might be explained by the deficiency of the following vitamin:
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Question 83 of 161
83. Question
Examination of a patient revealed hyperkaliemia and hyponatremia. Low secretion of which hormone may cause such changes?
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Question 84 of 161
84. Question
Examination of a 43 y.o. anephric patient revealed anemia symptoms. What is the cause of these symptoms?
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Question 85 of 161
85. Question
A man is being measured power inputs on an empty stomach, in the lying position, under conditions of physical and psychic rest at a comfortable temperature. Power inputs will reach the maximum at:
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Question 86 of 161
86. Question
When measuring power inputs of a man by the method of indirect calorimetry the following results were obtained: 1000 ml oxygen consumption and 800 ml carbon dioxide liberation per minute. The man under examination has the following respiratory coefficient:
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Question 87 of 161
87. Question
While determining power inputs of a patient’s organism it was established that the respiratory coefficient equaled 1.0. This means that in the cells of the patient the following substances are mainly oxidized:
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Question 88 of 161
88. Question
A patient has a disturbed absorbtion of fat hydrolysates. It might have been caused by a deficit in the small intestine cavity:
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Question 89 of 161
89. Question
Inhabitants of territories with cold climate have high content of an adaptive thermoregulatory hormone. What hormone is meant?
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Question 90 of 161
90. Question
A concentrated solution of sodium chloride was intravenously injected to an animal. This caused decreased reabsorption of sodium ions in the renal tubules. It is the result of the following changes of hormonal secretion:
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Question 91 of 161
91. Question
Accelerated frequency of the heart rate and increased blood pressure were marked in the sportsman on the start before the competitions. Influence of what parts of the CNS can explain these changes?
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Question 92 of 161
92. Question
People adapted to high external temperatures have such peculiarity: profuse sweating is not accompanied by loss of large volumes of sodium chloride. It is caused by the effect of the following hormone upon the perspiratory glands:
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Question 93 of 161
93. Question
During an experiment the dorsal roots of the spinal cord of an animal have been cut. What changes will be observed in the innervation zone?
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Question 94 of 161
94. Question
As a result of destruction of certain brainstem structures an animal has lost its orientative reflexes in response to strong photic stimuli. What structures were destroyed?
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Question 95 of 161
95. Question
As a result of damage to certain structures of brainstem an animal lost orientation reflexes. What structures were damaged?
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Question 96 of 161
96. Question
Osmotic pressure of a mans blood plasma is 350 mosmole/l (standard pressure is 300 mosmole/l). First of all it will result in high secretion of the following hormone:
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Question 97 of 161
97. Question
A hypertensive glucose solution was introduced to a patient. It will intensify water movement:
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Question 98 of 161
98. Question
To prevent long-term effects of 4-day malaria a 42-year-old patient was prescribed primaquine. On the 3-rd day from the begin of treatment there appeared stomach and heart pains, dyspepsia, general cyanosis, hemoglobinuria. What caused side effects of the preparation?
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Question 99 of 161
99. Question
According to audiometry data a patient has a disturbed perception of medium-frequency sounds. It might have been caused by a damage of:
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Question 100 of 161
100. Question
A 17-year-old boy fell seriously ill, body temperature rose up to 38.50C?, there is cough, rhinitis, lacrimation, nasal discharges. What kind of inflammation is it?
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Question 101 of 161
101. Question
A patient with disturbed cerebral circulation has problems with deglutition. What part of brain was damaged?
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Question 102 of 161
102. Question
A patient who has been treated with diazepam on account of neurosis complains of toothache. Doctor administered him an analgetic, but its dose was lower than average therapeutic dose. What phenomenon did the doctor take into account while prescribing the patient an underdose?
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Question 103 of 161
103. Question
Long-term starvation cure of a patient resulted in diminished ratio of albumines and globulines in plasma. What of the following will be result of these changes?
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Question 104 of 161
104. Question
A patient has a decreased vasopressin synthesis that causes polyuria and as a result of it evident organism dehydratation. What is the mechanism of polyuria development?
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Question 105 of 161
105. Question
To anaesthetize the manipulation related to burn surface treatment, a patient was intravenously injected a medication for short-acting narcosis. 1 minute later the patient being under anaesthesia had increased blood pressure, tachycardia, increased tone of sceletal muscles; reflexes remained. After awakening the patient had desorientation and visual hallucinations. What medication was the patient injected?
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Question 106 of 161
106. Question
A 35 year old man consulted a dentist about reduced density of dental tissue, high fragility of teeth during eating solid food. This patient suffers the most probably from the deficiency of the following mineral element:
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Question 107 of 161
107. Question
A patient is 44 years old. Laboratory examination of his blood revealed that content of proteins in plasma was 40 g/l. What influence will be exerted on the transcapillary water exchange?
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Question 108 of 161
108. Question
After destruction of CNS structures an animal lost orientative reflexes. What structure was destroyed?
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Question 109 of 161
109. Question
An isolated cell of human heart automatically generates excitation impulses with frequency 60 times pro minute. What structure does this cell belong to?
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Question 110 of 161
110. Question
Examination of a patient revealed a strong, balanced, inert type of higher nervous activity according to Pavlov. What temperament type does the patient have (according to Hippocrates classification)?
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Question 111 of 161
111. Question
Examination of a patient revealed overgrowth of facial bones and soft tissues, tongue enlargement, wide interdental spaces in the enlarged dental arch. What changes of the hormonal secretion are the most likely?
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Question 112 of 161
112. Question
A patient has a haemorrhage into the posterior central gyrus. What type of sensitivity on the opposite side will be disturbed?
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Question 113 of 161
113. Question
Child asked you to puff up the balloon as much as possible for a one exhalation. What air volume will you use?
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Question 114 of 161
114. Question
A 32-year-old patient consulted a doctor about the absence of lactation after parturition. Such disorder might be explained by the deficit of the following hormone:
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Question 115 of 161
115. Question
During influenza epidemic 40% of pupils who didn’t go in for sports were affected by the disease, and among the pupils who regularly did physical exercises this index was only 20%. What adaptative mechanisms determined such a low sickness rate of pupils participating in the sports?
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Question 116 of 161
116. Question
A 60 year old patient was found to have a dysfunction of main digestive enzyme of saliva. This causes the disturbance of primary hydrolysis of:
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Question 117 of 161
117. Question
A 49 year old woman spent a lot of time standing. As a result of it she got leg edema. What is the most likely cause of the edema?
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Question 118 of 161
118. Question
A patient presented to a hospital with complaints about quick fatigability and significant muscle weakness. Examination revealed an autoimmune disease that causes functional disorder of receptors in the neuromuscular synapses. This will result in the disturbed activity of the following mediator:
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Question 119 of 161
119. Question
A 30-year-old woman was diagnosed with insufficiency of exocrinous function of pancreas. Hydrolisis of what nutrients will be disturbed?
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Question 120 of 161
120. Question
Short-term physical activity resulted in reflex amplification of heart rate and raise of systemic arterial pressure. What receptors activation was the main cause of pressor reflex realization?
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Question 121 of 161
121. Question
In course of an experiment a skeletal muscle is being stimulated by a series of electric impulses. What type of muscle contraction will arise, if every subsequent impulse comes in the period of relaxation of single muscle contraction?
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Question 122 of 161
122. Question
Packed cell volume of a man was 40% before the trauma. What packed cell volume will be observed 24 hours after blood loss of 750 ml?
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Question 123 of 161
123. Question
A patient staggers and walks astraddle. He has hypomyotonia of arm and leg muscles, staccato speech. In what brain section is this affection localized?
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Question 124 of 161
124. Question
A pregnant woman had her blood group identified. Reaction of erythrocyte agglutination with standard serums of 0a/b (I), Ba(III) groups didn’t proceed with standard serum of Ab (II) group. The blood group under examination is:
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Question 125 of 161
125. Question
Blood group of a 30 year old man was specified before an operation. His blood is Rh-positive. Reaction of erythrocyte agglutination was absent with standard sera of 0(I), A(II), B(III) groups. The analysed blood is of the following group:
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Question 126 of 161
126. Question
During an experiment the myotatic reflex has been studied in frogs. After extension in a skeletal muscle its reflectory contraction was absent. The reason for it might be a dysfunction of the following receptors:
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Question 127 of 161
127. Question
Vagus branches that innervate heart are being stimulated in course of an experiment. As a result of it the excitement conduction from atria to the ventricles was brought to a stop. It is caused by electrophysical changes in the following structures:
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Question 128 of 161
128. Question
If a man has an attack of bronchiospasm it is necessary to reduce the effect of vagus on smooth muscles of bronchi. What membrane cytoreceptors should be blocked for this purpose?
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Question 129 of 161
129. Question
When water affects mucous membrane of the inferior nasal meatuses, this causes “diver reflex” that provokes:
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Question 130 of 161
130. Question
A man weighs 80 kg, after long physical activity his circulating blood volume is reduced down to 5.4 l, hematocrit makes up 50%, whole blood protein is 80 g/l. These blood characteristics are determined first of all by:
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Question 131 of 161
131. Question
A 16 year old boy after an illness has diminished function of protein synthesis in liver as a result of vitamin K deficiency. It will cause disturbance of:
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Question 132 of 161
132. Question
In response to a change in body position from horizontal to vertical blood circulation system develops reflectory pressor reaction. Which of the following is its compulsory component?
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Question 133 of 161
133. Question
Examination of a pregnant woman revealed twice as much concentration of fibrinogen in blood plasm. What ESR can this woman have?
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Question 134 of 161
134. Question
A big dose of histamine introduction to an experimental animal caused abrupt drop of arterial pressure as a result of:
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Question 135 of 161
135. Question
Systemic arterial pressure of an adult dropped from 120/70 to 90/50 mm Hg that led to reflectory vasoconstriction. The vasoconstriction will be maximal in the following organ:
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Question 136 of 161
136. Question
Microelectrode technique allowed to register a potential following “all-or-none” law and being able of undecremental spreading. Specify this potential:
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Question 137 of 161
137. Question
Vagus branches which innervate the heart are being stimulated during an experiment. It caused reduction of heart rate due to the intensification of the following process (through the cell membrane of cardiac pacemaker):
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Question 138 of 161
138. Question
Rest potential of a cell equals -80 mV. At what stage of action potential did the membrane potential equal +30 mV?
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Question 139 of 161
139. Question
A 35 year old man got an injury that caused complete disruption of spinal cord at the level of the first cervical segment. What respiration changes will be observed?
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Question 140 of 161
140. Question
A doctor asked a patient to breath out fully after taking a normal breath. What muscles contract during such exhalation?
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Question 141 of 161
141. Question
A man was intoxicated with mushrooms. They contain muscarine that stimulates muscarinic cholinoreceptors. What symptoms signalize intoxication with inedible mushrooms?
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Question 142 of 161
142. Question
A man presents with increased heart rate, mydriatic pupils, dry mouth. This condition results from the activation of the following system of function regulation:
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Question 143 of 161
143. Question
In course of an experiment a peripheral section of vagus of an expiremental animal is being stimulated. What changes will be observed?
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Question 144 of 161
144. Question
Voluntary breath-holding caused increase of respiration depth and frequency. The main factor stimulating these changes of external respiration is:
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Question 145 of 161
145. Question
A patient has delayed conduction of excitement through the atrioventricular node. What changes of ECG will be observed?
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Question 146 of 161
146. Question
Surface with an intact toad on it was inclined to the right. Tone of extensor muscles became reflectory higher due to the activation of the following receptors:
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Question 147 of 161
147. Question
In course of an experiment a toads right labyrinth was destroyed. It will cause amyotonia of the following muscles:
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Question 148 of 161
148. Question
An animal has an increased tonus of extensor muscles. This the result of intensified information transmission to the motoneurons of the spinal cord through the following descending pathways:
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Question 149 of 161
149. Question
Workers of a hothouse farm work under conditions of unfavourable microclimate: air temperature is +37oC, relative humidity is 90%, air speed is 0.2 m/s. The way of heat emission under these conditions will be:
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Question 150 of 161
150. Question
Lungs of a preterm infant have areas of atelectasis (pulmonary collapse). The main cause is:
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Question 151 of 161
151. Question
Vagi of an experimental animal were cut on both sides. Which respiration changes will be observed?
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Question 152 of 161
152. Question
A cardiac electric stimulator was implanted to a 75 year old man with heart rate of 40 bpm. Thereafter the heart rate rose up to 70 bpm. The electric stimulator has undertaken the function of the following heart part:
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Question 153 of 161
153. Question
A patient came to the hospital complaining about quick fatigability and apparent muscle weakness. Examination revealed an autoimmune disease that causes disorder of functional receptor condition in neuromuscular synapses. What transmitter will be blocked?
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Question 154 of 161
154. Question
Which muscle contraction will be observed in the upper extremity during holding (not moving) a load in a certain position?
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Question 155 of 161
155. Question
Examination of a 35 year old patient revealed high acidity of gastric juice. What receptors should be blocked in order to reduce it?
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Question 156 of 161
156. Question
A young woman who entered a production department where it strongly smelt of paints and varnishes had a bronchospasm. This reflex was caused by irritation of the following receptors:
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Question 157 of 161
157. Question
A 60-year-old patient presents with weakened peristaltic activity of the bowels. Which of the following foodstuffs would stimulate peristalsis most of all?
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Question 158 of 161
158. Question
An isolated muscle fiber is under examination. It was established that the threshold of stimulation force became significantly lower. What is the cause of this phenomenon?
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Question 159 of 161
159. Question
It was established that agglutination of the recipient’s blood erythrocytes had been caused by the standard sera from the I and II groups. Serum from the III group as well as anti-Rh serum hadn‘t provoke any agglutination. Which blood group and rhesus is allowed to be transfused this recipient?
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Question 160 of 161
160. Question
A patient consumed a lot of reach in proteins food that caused increase of rate of proteolytic enzymes of pancreatic juice. It is also accompanied by increase of rate of the following enzyme:
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Question 161 of 161
161. Question
In course of an experiment thalamocortical tracts of an animal were cut. What type of sensory perception remained intact?