Drug allergy objective type questions and answers

1. Allergy is immediate hypersensitivity mediated by _____and mast cell degranulation
a) IgG
b) IgE
c) IgM
d) IgA
e) IgD
Ans: B

2. Immediate Allergy is what type of hypersensitivity reaction
a) Type I Hypersensitivity
b) Type II Hypersensitivity
c) Type III Hypersensitivity
d) Type IV Hypersensitivity
e) Type V Hypersensitivity
Ans: A

3. Hypersensitivity refers to undesirable reactions produced by
a) circulatory system
b)  Respiratory system
c) Immune System
d)  Endocrine system
e)  Autonomic nervous system
Ans: C

4. A mast cell (or mastocyte) is a resident cells of several types of tissues and contains many granules rich in_______.
a) Acetylcholine
b) Nicotine
c) Epinephrine
d) Histamine
e) Histadine
Ans: D

5. The organ which involve most frequent hypersensitivity reaction is
a) Liver
b) Kidney
c) Skin
d) Lungs
e) Stomach
Ans: C

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