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KROK (Medicine) questions: Physiology — page 4

395 questions in Physiology. Open a question to see the answer options and a hint.

  1. When studying the signs of pulmonary ventilation, reduction of forced expiratory volume has been detected. What is the likely cause of this phenomenon? KROK 1 2014 – Question 94
  2. In the course of an experiment adenohypophysis of an animal has been removed. The resulting atrophy of thyroid gland and adrenal cortex has been caused by deficiency of… KROK 1 2014 – Question 98
  3. During the air and bone conduction tests it was revealed that in the left ear the tones were louder by bone conduction. This might be associated with the disease of: KROK 1 2014 – Question 108
  4. Due to the use of poor-quality measles vaccine for preventive vaccination, a 1-year-old child has developed an autoimmune renal injury. The urine was found to contain… KROK 1 2014 – Question 111
  5. When defining blood group according to the AB0 system, using salt solutions of monoclonal antibodies, agglutination didn’t occur with any of the solutions. What blood… KROK 1 2014 – Question 116
  6. A patient complains of pain in the heart area during acute attack of gastric ulcer. What vegetative reflex can cause this painful feeling? KROK 1 2014 – Question 123
  7. A female patient, having visited the factory premises with lots of dust in the air for the first time, has got cough and burning pain in the throat. What respiratory… KROK 1 2014 – Question 127
  8. Since a patient has had myocardial infarction, his atria and ventricles contract independently from each other with a frequency of 60-70 and 35-40 per minute. Specify… KROK 1 2014 – Question 128
  9. In an experiment a dog had been conditioned to salivate at the sight of food and a flash of light. After conditioning the reflex, the light was then paired with the… KROK 1 2014 – Question 133
  10. In course of an experiment there has been an increase in the nerve conduction velocity. This may be caused by an increase in the concentration of the following ions… KROK 1 2014 – Question 140
  11. A fixed-run taxi passenger has a sudden and expressed attack of tachycardia. A doctor travelling by the same taxi has managed to slow down his heart rate by pressing… KROK 1 2014 – Question 158
  12. In allergic diseases, a dramatic increase in basophilic leukocyte number in patients’ blood is observed. This phenomenon is due to the following basophil function: KROK 1 2014 – Question 161
  13. A blood drop has been put into a test tube with 0.3% solution of NaCl. What will happen to erythrocytes? KROK 1 2014 – Question 171
  14. In a dysentery patient undergoing treatment in the contagious isolation ward, a significant increase in packed cell volume has been observed (60%). What other value… KROK 1 2014 – Question 190
  15. A patient complains of palpitation after stress. The pulse is 104 bpm, P-Q=0.12 seconds, there are no changes of QRS complex. What type of arrhythmia does the patient… KROK 1 2014 – Question 191
  16. A patient has the oxyhemoglobin dissociation curve shifted to the left. What blood changes induce this condition? KROK 1 2014 – Question 197
  17. A laboratory experiment on a dog was used to study central parts of auditory system. One of the mesencephalon structures was destroyed. The dog has lost the orienting… KROK 1 2015 – Question 4
  18. When taking exams students often have dry mouth. The mechanism that causes this state results from the following reflexes: KROK 1 2015 – Question 8
  19. Poisoning caused by botulinum toxin that prevents calcium ions from entering axone nerve endings of motoneurons is life-threatening because it can lead to: KROK 1 2015 – Question 12
  20. A 35-year-old man with peptic ulcer disease has undergone antrectomy. After the surgery secretion of the following gastrointestinal hormone will be disrupted the most: KROK 1 2015 – Question 16
  21. Electrical activity of neurons is being measured. They fire prior to and at the beginning of inhalation. Where are these neurons situated? KROK 1 2015 – Question 39
  22. Electrocardiogram analysis demonstrates that cardiac cycle of a human equals 1 second. It means that heart rate per minute equals: KROK 1 2015 – Question 40
  23. Glomerular filtration of a person, who has been starving for a long time, has increased by 20%. The most likely cause of filtration changes in the given conditions is: KROK 1 2015 – Question 41
  24. Atria of an experimental animal were superdistended with blood, which resulted in decreased reabsorption of Na+ and water in renal tubules. This can be explained by the… KROK 1 2015 – Question 43
  25. A patient with hypertensic crisis has increased content of angiotensin II in blood. Angiotensin pressor effect is based on: KROK 1 2015 – Question 44
  26. When measuring power inputs of a person by the method of indirect calorimetry the following results were obtained: oxygen consumption is 1000 ml and carbon dioxide… KROK 1 2015 – Question 49
  27. For people adapted to high external temperatures profuse sweating is not accompanied by loss of large volumes of sodium chloride. This is caused by the effect the… KROK 1 2015 – Question 52
  28. A woman with the III (B), Rh- blood group gave birth to a child with the II (A) blood group. The child is diagnosed with hemolytic disease of newborn caused by rhesus… KROK 1 2015 – Question 59
  29. Experimental stimulation of the sympathetic nerve branches that innervate the heart caused an increase in the force of heart contractions because the membrane of… KROK 1 2015 – Question 82
  30. A doctor asked a patient to make a deep exhalation after a normal inhalation. What muscles contract during such exhalation? KROK 1 2015 – Question 91
  31. In a cat with decerebrate rigidity the muscle tone is to be decreased. This can be achieved by: KROK 1 2015 – Question 93
  32. 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: KROK 1 2015 – Question 95
  33. When studying the signs of pulmonary ventilation, reduction of forced expiratory volume has been detected. What is the likely cause of this phenomenon? KROK 1 2015 – Question 97
  34. In the course of an experiment thalamocortical tracts of an animal were cut. What type of sensory perception remained intact? KROK 1 2015 – Question 109
  35. Due to the use of poor-quality measles vaccine for preventive vaccination, a 1-year-old child developed an autoimmune renal injury. The urine was found to contain… KROK 1 2015 – Question 113
  36. During determining the blood group according to the AB0 system with salt solutions of monoclonal antibodies agglutination did not occur with any of the solutions. What… KROK 1 2015 – Question 116
  37. During ventricular systole, the cardiac muscle does not respond to additional stimulation because it is in the phase of: KROK 1 2015 – Question 118
  38. In the course of an experiment there has been increase in nerve conduction velocity. This may be caused by increase in concentration of the following ions that are… KROK 1 2015 – Question 123
  39. In an elderly person the change in heart force and vessels physical properties were detected; they can be clearly observed on graphic recording of carotid pulse waves… KROK 1 2015 – Question 149
  40. Electrocardiogram of a young man reveals deviation of his electrical axis of heart to the left. This phenomenon can be caused by: KROK 1 2015 – Question 151
  41. Microelectrode analysis of nerve fiber bioelectrical activity revealed, that its membrane potential equals −90 mV. Its initial rest potential was −85 mV. What process… KROK 1 2015 – Question 172
  42. Parkinson’s disease is caused by disruption of dopamine synthesis. What brain structure synthesizes this neurotransmitter? KROK 1 2015 – Question 173
  43. Determining a patient’s blood group with monoclonal test-reagents revealed positive agglutination reaction to anti-A and anti-B reagents, and negative reaction to… KROK 1 2015 – Question 174
  44. An experiment was aimed at testing flexor reflex in a spinal frog, which was initiated by simultaneous stimulation with isolated pre-threshold electrical impulses. The… KROK 1 2015 – Question 181
  45. A soldier with explosion-caused trauma was delivered to a hospital. Examination revealed his tympanic membrane to be intact. What defense reflex prevented the tympanic… KROK 1 2015 – Question 185
  46. What kind of muscle contraction occurs in an upper limb during an attempt to lift a load beyond one’s strength? KROK 1 2016 – Question 6
  47. When taking exams students often have dry mouth. The mechanism that causes this state results from the following reflexes: KROK 1 2016 – Question 13
  48. A patient demonstrates sharp decrease of pulmonary surfactant activity. This condition can result in: KROK 1 2016 – Question 19
  49. A 35-year-old man with peptic ulcer disease has undergone antrectomy. After the surgery secretion of the following gastrointestinal hormone will be disrupted the most: KROK 1 2016 – Question 30
  50. Atria of an experimental animal were superdistended with blood, which resulted in decreased reabsorption of Na+ and water in renal tubules. This can be explained by the… KROK 1 2016 – Question 58

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