At a patient with AIDS suppression of B-cells differentiation is revealed. In what

Organ antigen independent differentiation and proliferation of B-cells takes

Place?

Red bone marrow

Tonsil

Lymph node

Thymus

Spleen

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40

Deficiency of vitamin A causes a breach of vision in twilight. Which of the

Following cells carry out this function?

Rods

Cones

Bipolar cells

Amacrine cells

Ganglion cells

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41

There is connecting with the gut vesicle is visible on the histological

Micropreparation. It is an extra embryonic organ. Primordial germ cells and

Erythroblasts (megaloblasts) are located in its wall. What organ is this?

Yolk sac

Placenta

Allantois

Umbilical cord

Amnion

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42

There is congenital atrophy of a thymus at a newborn. Absence of what zone

In peripheral lymphatic organs takes place at this child?

Paracortex in lymph node

Red pulp in spleen

Outer cortex in lymph node

Medulla in lymph node

Lymphatic nodules in spleen

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43

It is determined the blood vessel on the histological micropreparation of the

Spleen.Its wall consists of tunica intima (endothelium, basal membrane), lack

Of the distinct tunica media, tunica adventitia (contains collagen and elastic

Fibers, that anchor the vessel in the surrounding connective tissue trabeculae.

What type of vessel is it?

Fibrous vein

Arteriole

Muscular vein

Muscular artery

Elastic artery

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44

Synthesis of milk by the mammary gland specifically requires

Prolactin

Placental lactogen

Production of progesteron by the corpus luteum

The influence of vasopressin

Neurohumoral reflexes

2

45

A histological spacemen presents parenchymal organ, which has cortex and

Medulla. Cortex consists of epitheliocytes bars, between them there are blood

Capillaries; the bars form three zones. Medulla consists of chromaffinocytes

And venous sinusoids. What organ has these morphological features?

Adrenal gland

Thymus

Kidney

Lymph node

Thyroid

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46

Which of the following is an embryonic origin of vessel wall?

Mesenchyme

Ectoderm

Mesoderm

Endoderm

Neural tube

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47

It is determined the large, oval and round cells with light cytoplasm and a small

Number of organelles and myofibrils on histologic micropreparation of the

Heart wall. What are these cells?

Purkinje fibers

P- cells

Contractile cardiac muscle

Secretory cardiac muscle

Smooth muscle

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48

The microscopic examination of wound lavage of a patient with acute wound

Process of his shin revealed big contents of irregular extended-formed cells,

With tough nucleus, the basophilic cytoplasm of which includes many

Lysosomes, phagosomes and pinocytotic bubbles. What cells are found out in

The wound?

Connective tissue macrophages

Tissue basophils

Fibroblasts

Plasmocytes

Fibrocytes

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49

A patient suffering from thyrotoxicosis symptoms of vegetoasthenic syndrome was revealed. What of the following would show the histological

Appearance of a thyroid gland being stimulated by thyroid-stimulating hormone (TSH)?

Follicular cells become columnar-shaped

Increased numbers of parafollicilar cells

An abundance of colloid in the lumned of the follicle

Decreased numbers of parafollicular capillaries

Follicular cells become flatten-shaped

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50

It is the wall of heart on the histologic micropreparation. There are contractile,

Secretory and conductive cardiac muscle cells and endomysium with blood

Vessels. For which of the following layers are these structures belong to?

myocardium of atria

pericardium

endocardium of ventricles

tunica adventitia

epicardium

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51

A patient complaining of weight loss (10 kg during 2 months), palpitation and

Exophthalmos came to the endocrinologist. For the hyperfunction of what

Endocrine gland (glands) are these complaints the most typical?

Thyroid

Pancreas

Adrenal glands

Parathyroid glands

Ovaries

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