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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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Hodahussain Hodahussain
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6 years ago
The nursing instructor is explaining passive acquired immunity to a class of nursing students. What information does the professor include? (Select all that apply.)
 
  A.
  Cellular immunity is the mediator of passive acquired immunity.
  B.
  Colostrum and breast milk are important sources of IgA.
  C.
  IgG passes through the placenta before birth.
  D.
  Most immunity is acquired in the first trimester.
  E.
  Passive acquired immunity generally lasts 6 months.
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#1
6 years ago
ANS: B, C, E
Passive acquired immunity is mediated through humoral antibodies, primarily IgA, IgG, and IgM. Colostrum and breast milk are important sources of IgA, which is important in fighting respiratory and gastrointestinal disorders. IgG is able to pass through the placenta. Most passive acquired immunity is acquired in the third trimester and lasts approximately 6 months.
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