An adolescent male is being examined for Klinefelter's syndrome. The nurse would expect which laboratory test result for this client?
A) High sperm count
B) Deficiency of 5 x-reductase
C) High estrogen level
D) Low testosterone level
Ans: D
In Klinefelter's syndrome, the male appears normal until adolescence, when low levels of testosterone result in small testes, infertility, and a low level of sexual interest. High sperm count, deficiency of 5 x-reductase, and low estrogen level are not related to Klinefelter's syndrome.
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