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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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tjrwnghks3 tjrwnghks3
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6 years ago
The nurse explaining fetal growth and development to a class of expectant parents describes events that occur during weeks 9 to 12 as which of the following? (Select all that apply.)
 
  A.
  External genitalia are distinguishable.
  B.
  Hair appears on the eyebrows and head.
  C.
  Intestines become visible in the abdomen.
  D.
  Ossification centers appear in the skeleton.
  E.
  Rapid eye movements occur and fingernails form.
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#1
6 years ago
ANS: A, C, D
During gestational weeks 9 to12 several events occur: distinguishable external genitalia appear, ossification centers in the skeleton appear, and the intestines leave the umbilical cord to become an abdominal organ. Hair growth occurs during weeks 17 to 20. The baby develops rapid eye movements and fingernails during weeks 21 to 25.
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