Human Health And Disease Question 21
Question: All allergens are non-infectious foreign substances that:
Options:
A) Increase the secretion of IgA
B) Increase the secretion of IgE
C) Increase the secretion of IgG
D) Increase the secretion of IgM
Show Answer
Answer:
Correct Answer: D
Solution:
[b] Allergens are non-infectious foreign substances that causes allergic reaction.
The common allergens are dust, pollen, mould spores, fabrics, lipsticks, nail paints, fur, heat beacteria, etc.
Allergy involves mainly the secretion of IgE antibodies and histamines.
The allergy causes marked dilation of all the peripheral blood vessels.