Which of the following is not characteristic of a Type I ...

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Which of the following is not characteristic of a Type I hypersensitivity reaction?
 a. can occur at any point after the first exposure to the antigen
  b. long-term complications occur from deposition of antigen within organs and cells
  c. symptoms are caused primarily by release of histamine from the mast cells
  d. can be a food allergy

Question 2

When Samuel was stung by a bee, his reaction was a drop in blood pressure, difficulty breathing, and fainting. This severe reaction is called:
 a. cytotoxic hypersensitivity.
  b. ABO blood reaction.
  c. anaphylaxis.

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Answer to Question 1

b

Answer to Question 2

c

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Excellent

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TYSM