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beneruiz beneruiz
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6 years ago
A family practice nurse is providing anticipatory guidance to an 11-year-old boy. What information about puberty should the nurse plan to include?
 
  A.
  Boys start puberty about 2 years earlier than girls.
  B.
  Circulating estrogen may cause breast enlargement.
  C.
  Testosterone production is the last stage of puberty.
  D.
  The first sign of puberty is testicular enlargement.
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#1
6 years ago
ANS: D
Testosterone secretion causes testicular enlargement, which is the first sign of pubertal changes in males. Girls start puberty about 2 years earlier than boys. Testosterone production causes the first signs of puberty, so saying that this is a late occurrence is incorrect. Breast enlargement usually does not occur in males despite the presence of circulating estrogen.
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