Author Question: The principal mediator of an allergic reaction is: a. Hymenoptera b. Injected penicillin c. ... (Read 25 times)

jace

  • Hero Member
  • *****
  • Posts: 541
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

  • Sr. Member
  • ****
  • Posts: 357
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

For a complete list of videos, visit our video library