Multiple Choice Questions on Second line of Defense

1. Second line of defence involves   

a) Professional phagocytes

b) Antimicrobial peptides

c) Fever and inflammation

d) All of the above

2. All the following are defensive cells effective against parasitic infections except

a) defensins

b) mast cells

c) basophils

d) eosiniphils

3. Which of the following is not a professional phagocyte involved in second line of defense?

a) Macrophages

b) Neutrophils

c) NK cells

d) Dendritic cells

4. Professional phagocytes recognize pathogen by means of  

a) B cell receptor

b) Pattern Recognition receptors

c) T cell recptor

d) Fc receptor

5. The order of mechanisms of phagocytosis is

a) Ingestionàphagosomeàphagolysosomeàdigestionàexocytosis

b) phagosomeà Ingestion àphagolysosomeàdigestionàexocytosis

c) Ingestionà phagolysosome à phagosome àdigestionàexocytosis

d) Exocytosisàphagosomeàphagolysosomeàdigestionàingestion

6. Which of the following in second line of defence are effective against viral infected cells and tumour cells?

a) Macrophages

b) Neutrophils

c) NK cells

d) Dendritic cells

7. Mast cells, eosinophils and basophils are involved in allergic reactions and posses receptors for immunoglobulin

a) IgG

b) IgM

c) IgD

d) IgE

8. Iron binding proteins binds to free iron in the circulatory system thus inhibits bacterial growth. Which of the following is an Iron binding protein?

a) Lactoferrin

b) Dermicidin

c) maximin

d) defensin

9. Which of the following constitute group of serum proteins activated as a cascade destroying pathogen by forming membrane attacking complex?

a) Interferons

b) AMPs

c) Iron binding proteins

d) Complement system

10. Which of the following proteins alerts neighbouring cells against viral infection and establishes an anti viral state?

a) Interferons

b) AMPs

c) Iron binding proteins

d) Complement system

11. The cardinal signs of inflammation include

a) redness, heat, swelling, pain, and loss of function.

b) redness, heat, swelling and pain,

c) redness, heat, pain and loss of function.

d) redness, heat, swelling and pain and complement activation

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                       Multiple Choice Questions on Third line of Defense

Answers:

1. d) All of the above

2. a) defensins

3. c) NK cells

4. b) Pattern Recognition receptors

5. a) Ingestionàphagosomeàphagolysosomeàdigestionàexocytosis

6. c) NK cells

7. d) IgE

8. a) Lactoferrin

9. d) Complement system

10. a) Interferons

11. a) redness, heat, swelling, pain, and loss of function.