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Author Question: What process in the antigen-antibody reaction causes the symptoms of allergies? a. Release of ... (Read 55 times)

stephzh

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on: Jul 24, 2018
What process in the antigen-antibody reaction causes the symptoms of allergies?
 
  a. Release of antihistamines
  b. Production of antibodies
  c. Suppression of histamine
  d. Release of histamine

Question 2

What initiates the sneeze reflex?
 
  a. Stimulation of the vagus nerve
  b. Irritation of the nasal mucosa by foreign particulate matter
  c. Stimulation of the tonsils
  d. Enervation of the olfactory cranial nerve


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diesoon

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Reply #1 on: Jul 24, 2018
Answer to Question 1

ANS: D
One of the major causes of symptoms associated with an allergy is the release of histamine during the antigen-antibody reaction. Antihistamines suppress the symptoms of allergic reactions. Antibodies are not responsible for the allergic symptoms. Suppressing histamine diminishes the symptoms of allergies.

Answer to Question 2

ANS: B
Sneezing is a physiologic reflex used by the body to clear the nasal passages of foreign matter. Stimulation of the vagus nerve, stimulation of the tonsils, and enervation of the olfactory cranial nerve are not what initiate the sneezing reflex.


stephzh

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Reply #2 on: Jul 24, 2018
Both answers were spot on, thank you once again


diesoon

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Reply #3 on: Jul 24, 2018
Great! Please up vote :D


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