Membrane. The depolarization has been caused mainly by the following ions penetrating into the
Cell through its membrane:
A Na +
B HCO3-
C Ca2+
D Cl-
E K+
67
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?
A Of testosterone
B Of somatotropin
C Of oestrogen
D Of progesterone
E Of cortisol
68
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?
A Respiratory volume
B Vital capacity of lungs
C Inspiratory reserve volume
D Expiratory reserve volume
E Total lung capacity
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A man took a quiet expiration. Name an air volume that is meanwhile contained in his lungs:
A Functional residual capacity
B Residual volume
C Expiratory reserve volume
D Respiratory volume
E Vital lung capacity
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Examination of an isolated cardiomyocyte revealed that it didn't generate excitation impulses
Automatically. This cardiomyocyte was obtained from:
A Ventricles
B Sinoatrial node
C Atrioventricular node
D His' bundle
E Purkinje's fibers
71
Examination of a man established that cardiac output equaled 3500 ml, systolic output - 50 ml.
What is the man's heart rate pro minute?
A 70
B 60
C 50
D 80
E 90
72
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:
A Decrease in the oncotic pressure of blood plasma
B Increase in the systemic arterial pressure
C Increase in the permeability of the renal filter
D Increase of the filtartion quotient
E Increase of the renal blood flow
73
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?
A Vestibular
B Proprioceptors
C Tactors
D Auditory
E Visual
74
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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A Quiet inspiration
B Quiet expiration
C Forced inspiration
D Forced expiration
E -
75
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:
A Natriuretic hormone
B Aldosterone
C Renin
D Angiotensin
E Vasopressin
76
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?
A Adrenal glands
B Parathyroid glands
C Seminal glands
D Substernal gland
E Thyroid gland
77
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 - 2,8*1012l, leukocytes – 8*109l, Hb- 90 g/l. What complication is it?
A Haemorrhage
B Penetration
C Perforation
D Canceration
E Pyloric stenosis
78
A 60-year-old man after cerebral hemorrhage felt asleep for a long time. Damage of what
Structure caused this state?
A Reticular formation
B Hippocampus
C Nuclears of the cerebral nerves
D Cortex of the large hemispheres
E Black substances
79
A human body cools in water much faster that in the air. What way of heat emission in water is
Much more efficient?
A Heat conduction
B Convection
C Heat radiation
D Sweat evaporation
E -
80
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:
A Spinothalamic
B Medial spinocortical
C Posterior spinocerebellar
D Lateral spinocortical
E Anterior spinocerebellar
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81
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:
A From the intercellular fluid to the capillaries
B From the intercellular fluid to the cells
C From the cells to the intercellular fluid
D From the capillaries to the intercellular fluid
E No changes of water movement will be observed
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