A 39-year-old female is recovering from the birth of her third child. Which hormone would help prevent uterine bleeding?
a. Aldosterone
b. Cortisol
c. Prolactin
d. Oxytocin
ANS: D
Oxytocin functions near the end of labor to enhance effectiveness of contractions, promote de-livery of the placenta, and stimulate postpartum uterine contractions, thereby preventing exces-sive bleeding. Aldosterone regulates water balance. Cortisol helps protect from stress. Prolactin assists with milk production.
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