Secretion of which gastrointestinal hormones is primerily decreased in patient with removed



Duodenum?

A Cholecystokinin and secretin

B Gastrin

C Histamine

D Gastrin and histamine

E Neurotensin

      6

A 2-year-old child experienced convulsions because of lowering calcium ions concentration in

The blood plasma. Function of what structure is decreased?

A Parathyroid glands

B Hypophysis

C Adrenal cortex

D Pineal gland

E Thymus

      7

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?

A Synoatrial node

B Purkinje's fibers

C His bundle branches

D Intraventricular node

E His bundle

      8

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?

A Follicle-stimulating

B Vasopressin

C Thyrotropic

D Somatotropic

E Oxytocin

      9

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?

A Immunofluorescence

B Complement binding

C Agglutination

D Precipitation

E Opsonization

      10

A 38-year-old woman was admitted to the admission-diagnostic department with uterine

Bleeding. What are the most likely changes of blood?

A Reduction of haematocrite rate

B Increase of haematocrite rate

C Leukopenia

D Leucocytosis

E Polycythemia

      11

Due to action of electric current on the exitable cell there appeared depolarization of it's

Membrane. Movement of what ions through the membrane caused depolarisation?

A Na +

B НСО 3 -

C Са 2 +

D С l-

E К +

      12

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:

A Myocardial infarction

B Skeletal muscle dystrophy

C Diabetes mellitus

D Viral hepatitis

E Acute pancreatitis

      13

There is only one hormone among the neurohormones which refers to the derivatives of amino

acids according to classification. Point it out:

A Melatonin

B Thyroliberin

C Vasopressin

D Oxytocin

E Somatotropin

      14

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?

A Dry-heat sterilization

B Tyndallization

C Pasteurization

D Steam sterilization in autoclave

E Boiling

      15

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?

A Central paralysis

B Peripheral paralysis

C Peripheral paresis

D Reflex paresis

E Central paresis

      16

Blood analysis of a patient showed signs of HIV infection (human immunodeficiency virus).

Which cells does HIV-virus primarily affect?

A Cells that contain receptor T4 (T-helpers)

B Cells that contain receptor IgM (B-lymphocytes)

C Specialized nervous cells (neurons)

D Mast cells

E Proliferating cells (stem hematoplastic cells)

      17

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?

A Inhibition of free radicals formation

B Prevention of tissue’s hypoxia

C Activation of oxidation reactions

D Increasing of tissue blood supply

E Increasing of respiration

      18

X-ray examination discovered lungs emphysema in the patient. What is the reason of short

Breath development in this case?

A Decreased lungs elasticity

B Increased lungs elasticity

C Inhibition of respiratory center

D Excitation of respiratory center

E Decreasing of alveoli receptors sensitivity

      19

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?

A Decreased contraction rate

B Increased contraction force

C Increased atrioventricular conduction

D Increased contraction force and rate

E Increased myocardial excitability

      20


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