QuestionAugust 20, 2025

A woman presents with galactorrhea and amenorrhea. Her labs show high prolactin and low LH and FSH. Which hormonal effect best accounts for her condition? A Prolactin stimulating ovulation frequency B Prolactin increasing ovarian hormone synthesis C Prolactin suppressing hypothalamic signaling D Prolactin raising estrogen production

A woman presents with galactorrhea and amenorrhea. Her labs show high prolactin and low LH and FSH. Which hormonal effect best accounts for her condition? A Prolactin stimulating ovulation frequency B Prolactin increasing ovarian hormone synthesis C Prolactin suppressing hypothalamic signaling D Prolactin raising estrogen production
A woman presents with galactorrhea and amenorrhea. Her labs show high prolactin and low LH and FSH.
Which hormonal effect best accounts for her condition?
A Prolactin stimulating ovulation frequency
B Prolactin increasing ovarian hormone synthesis
C Prolactin suppressing hypothalamic signaling
D Prolactin raising estrogen production

Solution
4.7(298 votes)

Answer

C Prolactin suppressing hypothalamic signaling Explanation 1. Identify the hormonal effect of prolactin Prolactin suppresses hypothalamic signaling, specifically inhibiting GnRH (gonadotropin-releasing hormone) release. 2. Connect prolactin effect to symptoms High prolactin leads to decreased GnRH, resulting in low LH and FSH, causing amenorrhea and galactorrhea.

Explanation

1. Identify the hormonal effect of prolactin<br /> Prolactin suppresses hypothalamic signaling, specifically inhibiting GnRH (gonadotropin-releasing hormone) release.<br />2. Connect prolactin effect to symptoms<br /> High prolactin leads to decreased GnRH, resulting in low LH and FSH, causing amenorrhea and galactorrhea.
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