Question

1. Which of the following statment is false? a. The inflammatory response can occur on the...

1. Which of the following statment is false?

a. The inflammatory response can occur on the surface of the body and internally.

b. Phagocytes are responsible for much of the healing that occurs wiht inflammation.

c.Platelets release a growth factor that stimulates endothelial cells to divide, and the wound heals.

d.Pus is produced during an inflammatory respone that is inppropriately strong.

e. Mat cells release prostaglandins, which are partly responsible for the pain of inflammation.

2. Serum from guinea pigs injected with less than a lethal dose of diphtheria toxin.

a. conveys cellular immunity to guinea pigs injected with it.

b. conveys active immunity to guinea pigs injected with it.

c. contains a factor that protects other guinea pigs from a lethal dose of toxin from a different strain of diphtheria-causing bacteria.

d. contains a factor that protects other guinea pigs from a lethal dose of diphtheria toxin and a toxin from a different bacterium.

e. contains a factor that protects other guniea pigs from a lethal does of the same toxin.

3. Plasma cells are

a. both a and b

b.memory cells in the humoral immune response

c. effector B cells that secret antibodies

d. effector cells in the cellular immune response

e. memotry T cells that secret cytokines

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Answer #1

1. Correct answer:- (a) The inflammatory response can occur on the surface of the body and internally.
Explanation:- inflammation occurs only internally,it does not occur over body surface.

(b) Phagocytes are responsible for much of the healing that occurs wiht inflammation.

(c) Platelets release a growth factor, called platelet deprived growth factor (PDGF) that stimulates endothelial cells to divide, and the wound heals.
(d)Pus is produced during an inflammatory respone due to accumulation of necrotic tissues, dead neutrophils.
(e) Mast cells release prostaglandins, which are partly responsible for the pain of inflammation.

2. Correct answer:- (e)contains a factor that protects other guniea pigs from a lethal does of the same toxin.

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