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Author Question: Which patient will develop active immunity? A patient who: a. has natural exposure to an antigen ... (Read 77 times)

jasdeep_brar

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on: Jun 25, 2018
Which patient will develop active immunity? A patient who:
 
  a. has natural exposure to an antigen or re-ceives an immunization.
  b. receives preformed antibodies or T cells from a donor.
  c. has T cells that become B cells.
  d. receives immunoglobulin.

Question 2

A 6-year-old female is diagnosed with a bacterial infection of the respiratory system. Which of the following will most likely try to fight the antigen?
 
  a. Antibodies
  b. Cytotoxic T cells
  c. Self-antigens
  d. Helper T cells


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Anna

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

ANS: A
Active immunity occurs either after natural exposure to an antigen or after immunization, not with preformed antibodies or the transformation of T cells into B cells or as a result of receiving immunoglobulin.

Answer to Question 2

ANS: A
Antibodies are produced by plasma cells that mature from lymphocytes, called B lymphocytes (B cells), in response to an antigen. Cytotoxic T cells do not respond to antigens. Self-antigens do not respond to antigens. Helper T cells do not respond to antigens.


jasdeep_brar

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Reply 2 on: Jun 25, 2018
Gracias!

cpetit11

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Reply 3 on: Yesterday
Excellent

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