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Author Question: Direct effects of antibodies include: (select all that apply) a. neutralization. b. ... (Read 81 times)

future617RT

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on: Jun 25, 2018
Direct effects of antibodies include: (select all that apply)
 
  a. neutralization.
  b. agglutination.
  c. precipitation.
  d. phagocytosis.
  e. division.

Question 2

A 20-year-old female is applying for nursing school and is required to be tested for immunity against several illnesses. Testing that looks at which of the following would be the best to deter-mine immunity?
 
  a. Culture and sensitivity
  b. Agglutination
  c. Precipitation
  d. Titer


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meryzewe

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

ANS: A, B, C
Directly, antibodies can affect infectious agents or their toxic products by neutralization (inacti-vating or blocking the binding of antigen to receptors), agglutination (clumping insoluble particles that are in suspension), or precipitation (making a soluble antigen into an insoluble precipitate). Indirectly, antibodies activate components of innate resistance, including complement and phag-ocytes. Antibodies are generally a mixed population of classes, specificities, and capacity to pro-vide the functions listed above.

Answer to Question 2

ANS: D
The amount of antibody in a serum sample is referred to as the titer; a higher titer indicates more antibodies. Culture determines the type of organism that causes an infection, and sensitivity identifies the antibody it is sensitive to. The terms agglutination and precipitation are not used to identify a test to determine immunity.


future617RT

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Reply 2 on: Jun 25, 2018
Excellent

jackie

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Reply 3 on: Yesterday
Wow, this really help

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