The principal mediator of an allergic reaction is:
a. Hymenoptera
b. Injected penicillin
c. Delayed hypersensitivity
d. Histamine
d
Rationale: a. Hymenoptera is a classification of insects that includes wasps and bees.
b. Injected penicillin is the most common cause of anaphylactic reactions.
c. Delayed hypersensitivity is a type of allergic reaction that results in skin rash.
d. Correct.
Health Professions
You might also like to view...
Which metabolic pathway protects hemoglobin from oxidation via NADH?
a. Rapoport-Luebering shunt b. Embden Meyerhof pathway c. Hexose monophosphate shunt d. Methemoglobin reductase pathway
Health Professions
A ____ load is a load applied to a small area.
A. concentrated B. distributed C. design D. compression
Health Professions