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Multiple Choice
Which hormone directly stimulates ovulation (the release of an oocyte) from the ovary?
A
Follicle-stimulating hormone (FSH)
B
Luteinizing hormone (LH)
C
Prolactin (PRL)
D
Oxytocin
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Verified step by step guidance
1
Understand the role of each hormone listed in the problem: Follicle-stimulating hormone (FSH), Luteinizing hormone (LH), Prolactin (PRL), and Oxytocin.
Recall that Follicle-stimulating hormone (FSH) primarily stimulates the growth and maturation of ovarian follicles in the ovary.
Recognize that Luteinizing hormone (LH) is responsible for triggering ovulation, which is the release of a mature oocyte from the ovarian follicle.
Note that Prolactin (PRL) mainly promotes milk production in the mammary glands and does not directly influence ovulation.
Understand that Oxytocin is involved in uterine contractions during labor and milk ejection during breastfeeding, but it does not stimulate ovulation.