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L6, White blood cells, physio

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 L6, White blood cells, physio





MCQ


1- All of these WBCs are granulocytes except:

a. Microphages

b. Macrophages

c. Mast Cells

d. Eosinophils


2- Mast Cells are:

a. The largest Cells

b. The smallest Cells

c. The most numerous cells

d. The rarest cells


1.b
2.d

3- Eosinophils contain.....in its cytoplasmic granules.

a. Histamine 

b. Heparin 

c. H2o2

d. Hydrolytic Enzymes


4- B- Lymphocytes are activated into plasma cells that produce antibodies which are:

a. Alpha globulins

b. Beta globulins

c. Gamma globulins

d. All of above


3.c
4.c


5- Which type of T- lymphocytes are the most numerous?

a. T- Helper Lymphocytes

b. T- Cytotoxic Lymphocytes

c. T- Suppressor Lymphocytes

d. Natural Killer Cells


6- The most numerous leucocytes are:

a. Basophils 

b. Lymphocytes

c. Neutrophils 

d. Monocytes


5.a
6.c
   

7- Basophils contain…..in its acidophilic granules. 

a. Hydrolytic enzymes

b. Heparin 

c. Histamine

d. b and c


8- Which cells will increase in case of parasitic infestation?

a. Eosinophils

b. Macrophages

c. Microphages 

d. Basophils


7.d
8.a
               

9- The largest leucocytes are:

a. Microphages

b. Mast cells

c. Monocytes

d. B- lymphocytes


10- B- lymphocytes are responsible for:

a. Innate immunity

b. Cellular immunity

c. Non specific immunity

d. Humeral immunity



9.c
10.d
               

11- The first line of defense against pyogenic bacteria is:

a. Mast cells 

b. Macrophages

c. Lymphocytes 

d. Microphages


12- WBCs squeeze through the pores of the capillary by:

a. Amoeboid movement

b. Margination 

c. Exocytosis

d. Diapedesis



11.d
12.d 


True & False

1. Histamine has anticoagulant effect.

2. End products of digestion of microbes and foreign bodies are expelled by endocytosis.

3. T- lymphocytes are processed in Thymus gland.

4. Mucus membrane is considered a chemical barrier.

5. Non specific immunity is slow.

6. TB is controlled by antibody mediated immunity.


1-F

        2-F   

    3-T    

  4-F   

    5-F  

    6-F



7. Macrophages which are present in liver, called Kuffer cells.

8. Acquired immunity is the powerful immunity against foreign bodies.

9. Innate immunity doesn't depend on the nature of the harmful substances.

10. T- lymphocytes are the most powerful phagocytic cells.

11. Interferons are mechanism of specific immunity.

12. Monocytosis is present in case of malarial infestation. 


7-T 
      8-T        9-T       10-F      11-F 
    12-T




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