Sexual behavior in a castrated male rat is restored by infusion of ________ into the ________
A) glutamate; spinal cord
B) apomorphine; medial amygdala
C) dopamine antagonists; medial preoptic area
D) opiates; spinal cord
E) testosterone; medial preoptic area
Answer: E
Rationale: Sexual behavior in a castrated male rat is restored by infusion of testosterone into the medial preoptic area.
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