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Author Question: In an allergic reaction, the chemicals that are responsible for dilating blood vessels, increasing ... (Read 40 times)

asd123

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In an allergic reaction, the chemicals that are responsible for dilating blood vessels, increasing mucous secretion, and swelling of tissues are
 
  A) histamines.
  B) antigens.
  C) antibodies.
  D) hormones.

Question 2

Which of the following is NOT a method of HIV transmission?
 
  A) Sharing contaminated needles
  B) Exchange of body fluids
  C) Mother-to-child
  D) Using a contaminated toilet seat



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bigcheese9

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Answer to Question 1

A

Answer to Question 2

D




asd123

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Reply 2 on: Jul 12, 2018
:D TYSM


Dominic

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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