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← Human Body & HealthFollowing a surge in luteinizing hormone (LH) during a menstrual cycle, what explains why the dominant follicle proceeds to ovulate rather than undergo atresia (degeneration)?
A)Increased inhibin production suppresses FSH
B)Elevated androgen levels directly trigger apoptosis
C)Progesterone inhibits further follicular growth
D)LH stimulates protease and prostaglandin synthesis✓
💡 Explanation
LH surge triggers ovulation because it stimulates the production of proteases that weaken the follicular wall, along with prostaglandins that promote smooth muscle contraction for oocyte release; therefore, ovulation occurs, rather than atresia, because the follicle is now actively broken down and expelled, rather than degenerating due to insufficient hormonal support.
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