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Author Question: The principal mediator of an allergic reaction is: a. Hymenoptera b. Injected penicillin c. ... (Read 79 times)

jace

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on: Jul 3, 2018
The principal mediator of an allergic reaction is:
 
  a. Hymenoptera
  b. Injected penicillin
  c. Delayed hypersensitivity
  d. Histamine

Question 2

An infectious virus primarily spread by exposure to infected blood and for which there is no current vaccine is:
 
  A) Hepatitis A. B) Hepatitis B. C) Hepatitis C. D) Hepatitis D.


Swizqar

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Reply #1 on: Jul 3, 2018
Answer to Question 1

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.

Answer to Question 2

C


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