The foreign substance responsible for causing an allergic reaction is called a(n):
A. allergen.
B. antibody.
C. histamine.
D. leukotriene.
Answer: A. allergen.
Health Professions
You might also like to view...
Which drug is no longer commonly prescribed because it can cause rebound insomnia?
A) Zolpidem B) Flurazepam C) Pyrazolopyrimidine D) Imidazopyridine
Health Professions
____ is the leading cause of poisoning deaths worldwide.
A. Mercury B. Carbon monoxide C. Carbon dioxide D. Sulfur
Health Professions
What is the most common type of glaucoma?
A) closed-angle B) open-angle C) wet D) dry
Health Professions
It is important not to feed your sugar glider:
A)bananas B)peanuts C)eggs D)cherries
Health Professions