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Author Question: What is the nurse referring to when discussing B-cell immunity when the B cells are programmed to ... (Read 69 times)

jho37

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on: Jul 23, 2018
What is the nurse referring to when discussing B-cell immunity when the B cells are programmed to identify specific proteins or antigens?
 
  A) T-cell immunity
  B) Autoimmunity
  C) Passive immunity
  D) Humoral immunity

Question 2

A patient visits the clinic and is diagnosed with acute sinusitis. To promote sinus drainage, what medication might be ordered?
 
  A) Topical nasal steroid decongestants
  B) First-generation antihistamines
  C) Second-generation antihistamines
  D) Topical decongestants


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dawsa925

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Reply #1 on: Jul 23, 2018
Answer to Question 1

D
Feedback:
B cells are programmed to identify specific proteins, or antigens. They provide what is called humoral immunity. Autoimmunity occurs when the body attacks its own self-cells. Passive immunity is the transfer of antibodies from one person to another. Active immunity is immunity produced by the body in response to an organism.

Answer to Question 2

D
Feedback:
Topical decongestants are sympathomimetics, meaning that they imitate the effects of the sympathetic nervous system to cause vasoconstriction, leading to decreased edema and reduced inflammation of the nasal membranes. They are available as nasal sprays that are used to relieve the discomfort of nasal congestion that accompanies the common cold, sinusitis, and allergic rhinitis. Topical nasal steroid decongestants are used for the treatment of allergic rhinitis and to relieve inflammation after the removal of nasal polyps. First- and second-generation antihistamines are not ordered for sinusitis.


jho37

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Reply #2 on: Jul 23, 2018
Thank you!


dawsa925

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Reply #3 on: Jul 23, 2018
Always glad to help...


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