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KROK (Medicine) questions: Physiology — page 5

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

  1. 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 2016 – Question 65
  2. The processes of heat transfer in a naked person at room temperature have been studied. It was revealed that under these conditions the greatest amount of heat is… KROK 1 2016 – Question 66
  3. Due to destruction of certain structures of the brainstem an animal has lost its orientation reflexes in response to strong light stimuli. What structures were destroyed? KROK 1 2016 – Question 67
  4. Urine analysis has shown high levels of protein and erythrocytes in urine. This can be caused by the following: KROK 1 2016 – Question 68
  5. 10 minutes after the beginning of heavy physical work a person demonstrates increase of erythrocyte number in blood from 4,0 · 10¹²/l to 4,5 · 10¹²/l. What is the cause… KROK 1 2016 – Question 79
  6. A patient has a traumatic injury of sternocleidomastoid muscle. This has resulted in a decrease of the following value: KROK 1 2016 – Question 80
  7. Cardiac arrest occurred in a patient during a surgery of the small intestine. What regulatory mechanisms resulted in the cardiac arrest in this case? KROK 1 2016 – Question 95
  8. Vestibular receptors of semicircular canals of an animal have been destroyed. What reflexes will disappear as a result? KROK 1 2016 – Question 96
  9. Blood group of a 30-year-old man has been determined before a surgery. The blood was Rhesus-positive. Agglutination did not occur with standard 0 (I), A (II), and B… KROK 1 2016 – Question 98
  10. Experimental stimulation of sympathetic nerve branches that innervate heart caused an increase in force of heart contractions because membrane of typical cardiomyocytes… KROK 1 2016 – Question 106
  11. Microelectrode technique allowed to register a potential following ”all-or-none” law and capable of undecremental spreading. Specify this potential: KROK 1 2016 – Question 109
  12. Pupil dilation occurs when a person steps from a light room into a dark one. What reflex causes such a reaction? KROK 1 2016 – Question 116
  13. 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 2016 – Question 119
  14. A patient with injury sustained to a part of the central nervous system demonstrates disrupted coordination and movement amplitude, muscle tremor during volitional… KROK 1 2016 – Question 133
  15. A passenger of a fixed-run taxi has a sudden and expressed attack of tachycardia. A doctor travelling by the same taxi has managed to slow down his heart rate by… KROK 1 2016 – Question 148
  16. A patient complains of palpitations after stress. Pulse is 104/min., P-Q=0,12 seconds, there are no changes in QRS complex. What type of arrhythmia does the patient have? KROK 1 2016 – Question 164
  17. Patient’s systolic blood pressure is 90 mm Hg, diastolic - 70 mm Hg. Such blood pressure is caused by decrease of the following factor: KROK 1 2016 – Question 166
  18. During recording of a spirogram a patient calmly exhaled. How do we call the volume of air remaining in the lungs? KROK 1 2016 – Question 177
  19. Parkinson’s disease is caused by disruption of dopamine synthesis. What brain structure synthesizes this neurotransmitter? KROK 1 2016 – Question 181
  20. During experiment a dog has developed conditioned digestive reflex in response to a sound stimulus. This conditioned reflex will not be exhibited anymore after the… KROK 1 2016 – Question 185
  21. What kind of muscle contraction occurs in an upper limb during an attempt to lift a load beyond one’s strength? KROK 1 2017 – Question 6
  22. A person is in a room with air temperature of 38°C and relative air humidity of 50%. What type of heat transfer ensures maintenance of constant body core temperature… KROK 1 2017 – Question 20
  23. Examination of the patient with traumatic brain injury revealed that he has lost the ability to discern the movement of an object on the skin. What part of the cerebral… KROK 1 2017 – Question 26
  24. A patient demonstrates sharp decrease of pulmonary surfactant activity. This condition can result in: KROK 1 2017 – Question 29
  25. A 15-year-old teenager complains of lack of air, general weakness, palpitations. Heart rate is 130/min., BP is 100/60 mm Hg. ECG: QRS complex has normal shape and… KROK 1 2017 – Question 38
  26. A 64-year-old woman presents with disturbed fine motor function of her fingers, marked muscle rigidity, and tremor. The neurologist diagnosed her with Parkinson’s… KROK 1 2017 – Question 49
  27. Electrical activity of neurons is being measured. They fire prior to and at the beginning of inhalation. Where are these neurons situated? KROK 1 2017 – Question 64
  28. Investigation of an isolated cardiac myocyte determined that it does not generate excitation impulses automatically, which means this cardiac myocyte was obtained from… KROK 1 2017 – Question 65
  29. Due to blood loss the circulating blood volume of a patient decreased. How will it affect the blood pressure in this patient? KROK 1 2017 – Question 73
  30. A man presents with glomerular filtration rate of 180 ml/min., while norm is 125±25 ml/min. The likely cause of it is the decreased: KROK 1 2017 – Question 78
  31. During experiment a part of the brain was extracted, which resulted in asynergy and dysmetria development in the test animal. What part of the brain was extracted in… KROK 1 2017 – Question 82
  32. A patient complaining of pain in the left shoulder-blade region has been diagnosed with myocardial infarction. What kind of pain does the patient have? KROK 1 2017 – Question 92
  33. On examination the patient was determined to have strong, balanced, inert type of higher nervous activity according to Pavlov’s classification. What temperament… KROK 1 2017 – Question 94
  34. A short-term physical load resulted in reflex increase of heart rate and systemic arterial pressure in a person. What receptor activation was the most contributory to… KROK 1 2017 – Question 109
  35. During experiment a skeletal muscle is being stimulated with a series of electrical impulses. What type of muscular contraction will develop, if each following impulse… KROK 1 2017 – Question 110
  36. A patient presents with steatorrhea. This disorder can be linked to disturbed supply of the intestine with the following substances: KROK 1 2017 – Question 115
  37. A 16-year-old girl fainted when she tried to quickly change her position from horizontal to vertical. What caused the loss of consciousness in the girl? KROK 1 2017 – Question 117
  38. Blood test of an athlete shows the following: erythrocytes - 5,5 · 10¹² /l, hemoglobin - 180 g/l, leukocytes - 7 · 10⁹ /l, neutrophils - 64%, basophils - 0,5%… KROK 1 2017 – Question 121
  39. 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 2017 – Question 122
  40. The patient’s ECG shows that in the second standard lead from the extremities the P waves are positive, their amplitude is 0,1 mV (norm is 0,05-0,25 mV), duration 0,1… KROK 1 2017 – Question 127
  41. Pupil dilation occurs when a person steps from a light room into a dark one. What reflex causes such a reaction? KROK 1 2017 – Question 131
  42. Water affects the mucosa of lower nasal passages resulting in diving reflex. This response manifests itself as: KROK 1 2017 – Question 145
  43. In hot weather ventilators are often used to normalize the microclimate in the heated rooms. It leads to intensified heat transfer from the human body by means of: KROK 1 2017 – Question 149
  44. Cell membrane rest potential changed from -85 to -90 mV. It can be caused by activation of the following cell membrane channels: KROK 1 2017 – Question 153
  45. During training session in the laboratory the students were performing spirography on themselves. What indicator CANNOT be measured with this method? KROK 1 2017 – Question 162
  46. During the sports competition a boxer received a strong blow to the abdomen, which caused a knockout due to a brief drop in blood pressure. What physiological… KROK 1 2017 – Question 171
  47. Corticosteroid hormones regulate the adaptation processes of the body as a whole to environmental changes and ensure the maintenance of internal homeostasis. What… KROK 1 2017 – Question 175
  48. On examination the patient is found to have low production of adrenocorticotropic hormone. How would this affect production of the other hormones? KROK 1 2017 – Question 181
  49. Parkinson’s disease is caused by disturbance of dopamine synthesis. What brain structure synthesizes this neurotransmitter? KROK 1 2017 – Question 182
  50. 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 2017 – Question 183

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