« previous next »

Author Question: The principal mediator of an allergic reaction is: a. Hymenoptera b. Injected penicillin c. ... (Read 86 times)

jace

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

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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

The polymerase chain reaction (PCR). The polymerase chain reaction (PCR).
a) Type IV hypersensitivity reaction, contact dermatitis as the result of reaction to the nickel in ... a) Type IV hypersensitivity reaction, contact dermatitis as the result of reaction to the nickel in ...
Thiamine pyrophosphate in the pyruvate decarboxylase reaction Thiamine pyrophosphate in the pyruvate decarboxylase reaction
A phosphoribosyltransferase reaction A phosphoribosyltransferase reaction
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
Draw a full and complete mechanism for the following reaction shown below. Draw a full and complete mechanism for the following reaction shown below.
Video: Insulin (glucose uptake by body cells), glycogenesis and lipogenesis

For a complete list of videos, visit our video library