78. For analgesia, a certain substance which imitates the physiological properties of morphine but is synthesized inside the human brain can be used. Name this substance.

A. Endorphine.

B. Oxytocin.

C. Vasopressin.

D. Calcitonin.

E. Somatoliberin.

79. Laboratory testing of the patient's blood plasma showed K⁺ level that is equal to 7.0 mM/1. What is the possible cause of such state?

A. Decrease of aldosterone level.

B. Increase of aldosterone level.

C. Decrease of thyroid hormones level.

D. Increase of thyroid hormones level.

E. Increase of sexual hormones level.

80. A patient suffering from rheumatism was administered glucocorticoid therapy. What changes in carbohydrate metabolism in liver can be expected?

A. Stimulation of gluconeogenesis

B. Stimulation of glycogenesis

C. Stimulation of glycogen hydrolysis

D. Stimulation of glycogen phosphorolysis

E. Increase of glycogen phosphorylase activity

81. A 35-year-old addicted to alcohol patient manifests sharp muscle and cardiac weakness against the background of treatment by diuretics. The patient has vomiting, diarrhea, depression, A/P - 100/60. The cause of such state is the increased excretion through the urine of:

A. Potassium.

B. Sodium.

C. Chlorine.

D. Calcium.

E. Phosphates.

82. A 23-year-old patient complains of a headache, change of appearance (increase in feet and wrists size, face features distortion). His voice grew harsh, the memory worsened. The disease set in three years ago without apparent causes. The analysis of the urine is without special changes. A possible cause of this status can be:

A. Hyperproduction of somatotropin.

B. Deficiency of glucagon.

C. Deficiency of thyroxine.

D. Deficiency of aldosterone.

E. Hyperproduction of corticosteroids.

83. A 10-year-old boy was brought to a hospital for the inspection of the cause of growth retardation. He had grown only by three centimeters in the last two years. What hormone's deficiency is the cause of such state?

A. Somatotropin.

B. Corticotropin.

C. Gonadotropin.

D. Thyrotropin.

E. Parathormone.

84. A 35-year-old addicted to alcohol patient manifests sharp muscle and cardiac weakness against the background of treatment by diuretics. The patient has vomiting, diarrhea, depression, A/P - 100/60. The cause of such state is the increased excretion through the urine of:

A. Potassium

B. Sodium

C. Chlorine

D. Calcium

E. Phosphates

85. A 23-year-old patient complains of a headache, change of appearance (increase in feet and wrists size, face features distortion). His voice grew harsh, the memory worsened. The disease set in three years ago without apparent causes. The analysis of the urine is with­out special changes. A possible cause of this status can be:

A. Hyperproduction of somatotropin

B. Deficiency of glucagon

C. Deficiency of thyroxine

D. Deficiency of aldosterone

E. Hyperproduction of corticosteroids

86. A patient complains of body weight loss, excessive irritability, insignificant increase of temperature, exophtalmia. Hyperglycemia and the rise of nitrogen-containing substances in blood serum were detected. Which is the most credible diagnosis in this case?

1. Diffuse toxic goiter

2. Neurosis

3. Bronzed disease

4. Tuberculosis of adrenal glands.

5. Myxedema

87. Some compounds increase the permeability of internal membranes of mitochondria for Н⁺, that results in disconnection of processes of respirations with phosphorylation and stopping of ATP synthesis. Name this compound:

A. Thyroxine

B. Vasopressin

C. Adrenalin

D. Insulin

E. Oxytocin