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Author Question: When a patient presents at the emergency department for an allergic reaction, the nurse recogniz-es ... (Read 74 times)

WWatsford

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on: Jun 25, 2018
When a patient presents at the emergency department for an allergic reaction, the nurse recogniz-es the most severe consequence of a type I hypersensitivity reaction is:
 
  a. urticaria.
  b. hives.
  c. anaphylaxis.
  d. antibody-dependent cell-mediated cyto-toxicity (ADCC).

Question 2

While planning care for an elderly patient, the nurse remembers that increased age is associated with: (select all that apply)
 
  a. increased T-cell function.
  b. decreased immune function.
  c. increased production of antibodies.
  d. decreased numbers of circulating immune complexes.
  e. decreased ability to fight infection.


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macagn

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Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: C
The most rapid and severe immediate hypersensitivity type I reaction is anaphylaxis. Urticaria, or hives, is a dermal (skin) manifestation of allergic reactions. Hives and urticaria are similar re-sponses. ADCC is a mechanism that involves natural killer (NK) cells. Antibodies on the target cell are recognized by Fc receptors on the NK cells, which release toxic substances that destroy the target cell.

Answer to Question 2

ANS: B, D, E
Increased age is associated with diminished T-cell function, decreased immune function, dimin-ished production of antibody responses, decreased circulating immune complexes, and decreased ability to fight infection.


WWatsford

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Reply #2 on: Jun 25, 2018
Correct answers!


macagn

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Reply #3 on: Jun 25, 2018
Great! Please up vote :D


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