GENERAL HISTOLOGY - BLOOD TISSUE

The increase in number of the erythrocytes is called erythropenia

a. yes

b. no

b. no

Normally the reticulocytes are 0,5-1% of erythrocytes number

a. yes

b. no

a. yes

The increase in number of the leucocytes is called leucocytosis.

a. yes

b. no

a. yes

The number of the leucocytes is from 4.10° /I to 10.10/I

a. yes

b. no

a. yes

the number of the blood platelets (thrombocytes) is 20.10°/I - 40.10° /I

a. yes

b. no

a. yes

The basophils (basophil granulocytes) are about 4-8% of the total number of leucocytes.

a. yes

b. no

b. no

basophils account for less than 3 percent of your white blood cell

MULTIPLE CHOICE - ONE CORRECT ANSWER

An internal network or reticulum from residual RNA (substantia granulo-reticulofilamentosa) is found in:

a/ monocytes

b/ reticulocytes

c/ erythrocytes

d/ megakaryocytes

b/ reticulocytes

MULTIPLE CHOICE - ONE CORRECT ANSWER

The specific granules of neutrophils (polymorphonuclear leucocytes) contain:

a/ mucopolysaccharide

b/ peroxidase

c/ histamine

d/ hydrolytic enzymes

b/ peroxidase

MULTIPLE CHOICE - ONE CORRECT ANSWER

In which stage of granulocyte development do their specific granules appear:

a/ myeloblast

b/ promyelocyte

c/ myelocyte

d/ metamyelocyte

c/ myelocyte

MULTIPLE CHOICE - ONE CORRECT ANSWER

The lymphocytes possess:

a/ many-lobed (polymorphous) nucleus

b/ pale, kidney-shaped nucleus

c/ dark stained, round nucleus

d/ pyknotic nucleus

c/ dark stained, round nucleus

MULTIPLE CHOICE - ONE CORRECT ANSWER

The megakaryocytes are:

a/ large in size lymphocytes

b/ large in size erythrocytes

c/ type of macrophages

d/ cells whose cytoplasm is pinched off as blood platelets (thrombocytes)

d/ cells whose cytoplasm is pinched off as blood platelets

MULTIPLE CHOICE - ONE CORRECT ANSWER

What cell type releases histamine after stimulation:

a/ neutrophil granulocyte

b/ eosinophil granulocyte

c/ monocyte

d/ basophil granulocyte

d/ basophil granulocyte

MULTIPLE CHOICE - ONE CORRECT ANSWER

Peculiar to the blood serum is the lack of:

a/ fibrinogen

b/ albumins

c/ immunoglobulins

d/ lipoproteins

a/ fibrinogen

MULTIPLE CHOICE - ONE CORRECT ANSWER

The consecutive stages in the erythropoesis are:

a/ proerythroblast, polychromatic erythroblast, basophilic erythroblast, orthochromatic erythroblast, normoblas

b/ proerythroblast, basophilic erythroblast, polychromatic erythroblast, orthrochomatic erythroblat, normoblas

c/ proerythroblast, orthochomatic erythro, basophilic erythroblast, polychromatic erythroblast, normoblast

d/ normoblast, orthochromatic erythroblast, basophilic erythroblast, polychromatic erythroblast, prorythroblat

b/ proerythroblast, basophilic erythroblast, polychromatic erythroblast, orthrochomatic erythroblat, normoblas

MULTIPLE CHOICE - ONE CORRECT ANSWER

The blood cells derive from:

a/ ektoblast

b/ endoblast

c/ mesoblast

d/ mesenchyme

d/ mesenchyme

MULTIPLE CHOICE - ONE CORRECT ANSWER

In functional aspect, B-lymphocytes are associated with:

a/ immune tolerance

b/ inflammation

c/ production of antibodies

d/ release of cytokines

c/ production of antibodies

MULTIPLE CHOICE - MORE THAN ONE CORRECT ANSWER

What of the following is specific for the monocytes:

a/ kidney-shaped nucleus

b/ eccentric placed nucleus with heterochromatin arranged in "cartwheel" fashion

c/ scanty, basophilic stained cytoplasm

d/ pale, grayish-blue stained cytoplasm

e/ are cells of the reticuloendothelial (macrofage) system

a/ kidney-shaped nucleus

d/ pale, grayish-blue stained cytoplasm

e/ are cells of the reticuloendothelial system

MULTIPLE CHOICE - MORE THAN ONE CORRECT ANSWER

The blood platelets granules contain:

a/ factors of clotting mechanism

b/ serotonin

c/ hydrolytic enzymes

d/ alkaline phosphatase

a/ factors of clotting mechanism

b/ serotonin

MULTIPLE CHOICE - MORE THAN ONE CORRECT ANSWER

What of the following is specific for the common stem cell (hemocytoblast):

a/ gives rise to all blood cells (pluripotential cell)

b/ large cell with basophilic cytoplasm and dark stained nucleus

c/ is progenitor type cell

d/ arises by mitotic divisions of its own type

e/ is found in all hemopoietic organs

a/ gives rise to all blood cells

b/ large cell with basophilic cytoplasm and dark stained nucleus

d/ arises by mitotic divisions of its own type

MULTIPLE CHOICE - MORE THAN ONE CORRECT ANSWER

What of the following is specific for the erythrocyte development (erythropoiesis):

a/ synthesis and accumulation of hemoglobin

b/ release of cytokines

c/ extrusion of the nucleus

d/ invagination of the nucleus

e/ decrease in cell volume

a/ synthesis and accumulation of haemoglobin

c/ extrusion of the nucleus

e/ decrease in cell volume

DEFINE AND FILL IN THE CORRECT ANSWER

the stages of the granulocyte development are:

a.

b.

c.

d.

a/ myeloblast

b/ promyelocyte

c/ myelocyte

d/ metamyelocyte

the plasma proteins are:

a.

b.

c.

a/ globulins

b/ albumins

c/ fibrinogen

the number of erythrocytes is:

a. by male

b. by female

a/ by male - 4.1-6.0x10^12/1

b/ by female - 3.8-5.5x10^12/1

the cell diameter by the different types of granulocytes is:

a. neutrophil

b. eosinophil

c. basophil

d. medium-sized lymphocytes

e. monocytes

a. 10-12 microm

b. 12-17 microm

c. 10-12 microm

d. 8-12 microm

e. 13-20 microm

the periods of the embryonic hemopoiesis are:

a.

b.

c.

a/ yolk sack-placenta hemopoiesis

b/ liver-spleen hemopoiesis

c/ bone marrow (medullary) hemopoiesis

the two main structural regions of the blood platelets are:

a.

b.

a. granulomere

b. haylomere

GIVE THE CORRECT ANSWER

On peripheral blood smear (Giesma staining), a spherical-shaped cell (diameter about 12pm) with highly polymorphous nucleus (consisting of 3 to 5 lobes) and filled with fine granules cytoplasm is found.

What is the name of the cell?

neutrophil granulocyte

GIVE THE CORRECT ANSWER

By differential blood count the present correlation into leucocytes is found:

Neu - 55%

Ba - 1%

Eo - 4%

Mo - 15%

Ly - 25%

Is this correlation normal or if it is not what is the name of the aberration?

monocytosis

GIVE THE CORRECT ANSWER

By differential blood count the present correlation into leucocytes is found:

Neu - 55%

Ba - 1%

Eo - 12%

Mo - 4%

Ly - 28%

Is this correlation normal or if it is not what is the name of the aberration?

eosinophilia

GIVE THE CORRECT ANSWER

link the corresponding features to the blood cells:

a. monocytes

b. lymphocytes

c. blood platelets

1. lack of nucleus

2. kidney-shaped nucleus

3. eccentric placed nucleus with heterochromatin arranged in cartwheel function

4. scanty basophilic cytoplasm

5. pale, grayish-blue stained cytoplasm

6. cell diameter about 3-4 micrometres

a. 2, 5

b. 3, 4

c. 1, 6