Differentiation of cells within some type of hematopoiesis is accompanied by a nucleus extrusion. What cell type is characterized by such morphologic changes?

Orthochromatophilic erythroblast (normoblast)

Polychromatophilic erythroblast

Basophilic erythroblast

Monoblast

Megakaryoblast

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3

Blood analysis of a healthy adult man revealed 3% of some blood formed elements. What formed elements have this characteristic?

Eosinophils, band neutrophils

Band neutrophils, lymphocytes

Eosinophils, lymphocytes

Eosinophils, mature neutrophils

Lymphocytes, monocytes

2

4

A patient with leukosis has disturbance of some type of hematopoiesis. This type has next characteristic: antigen independent and antigen dependent phases, blastic transformation, clonal expansion, recirculation. What type of hematopoiesis has enumerated features?

Lymphocytopoiesis

Granulopoiesis

Erythropoiesis

Monopoiesis

Thrombopoiesis

2

5

A patient suffers from epithelial tumor of the right extrapulmonary bronchus. What morphologic type of epithelium gave rise to tumor?

Simple columnar pseudostratified

Simple squamous

Simple cuboidal

Stratified squamous nonkeratinized

Transitional

2

6

Compression of umbilical cord took place. But blood circulation between fetus and maternal organism happened normally. What morphologic components of the umbilical cord promoted to this?

Mucuous tissue

Allantois residue

Tunic of umbilical arteries

Tunic of umbilical vein

Yolk sac residue

2

7

There is connecting with the gut vesicle is visible on the histologic micropreparation. It is an extraembryonic organ. Primordial germ cells and erythroblasts (megaloblasts) are located in its wall. What organ is this?

Yolk sac

Allantois

Placenta

Umbilical cord

Amnion

2

8

The primary function of brown adipose tissue is

To produce heat

To store unilocular energy

To produce hormons

To mobilize lipid for export as fatty acide

To initiate the shivering-induced mobilization of lipids

2

9

After birth, growth in the length of long bones occurs primarily through

Interstitial growth of cartilage cells in the epiphysial plate

Increased bone deposition under the periosteum

The action of osteoblasts in the primary ossification center

The action of osteoblasts in the secondary ossification center

Appositional grows from the periphery

2

10

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

Fibroblasts

Plasmocytes

Tissue basophils

Fibrocytes

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11

After the radioactive exposure a patient has haematopoietic stem cells disorder. The regeneration of what cells of loose connective tissue will be damaged?

Macrophages

Fibroblasts

Adipocytes

Pericytes

Pigment cells

2

12

What parameter of a blood analysis most probably testifies the presence in an organism of an acute inflammation?

Ascending an amount of neutrophilic leucocytes

Ascending an amount of reticulocytes

Ascending an amount of thrombocytes

Decrease of an amount of basophilous leucocytes

Decrease of an amount of monocytes

2

13

At study of a blood smear of the person with presence of inflammatory process it is possible to see a great number of spherical cells with a segmented nucleus, acidophilic cytoplasm and shallow pink-violet granules in the cytoplasm. What blood cells are these?

Neutrophilic granulocytes

Erythrocytes

Eosinophilic granulocytes

Basophilous granulocytes

Lymphocytes

2

14

After a bite of a bee in 12 hours allergic appearances on a skin (the edema, an itch) have disappeared. It is known, that one of mediators of an allergy is histamine. What blood cells have taken part in elimination of excess of histamine in a place of a bite?

Eosinophils

Neutrophils

Basophils

Lymphocytes

Monocytes

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