Why Doesn't Semen Enter the Urinary Bladder During Ejaculation

question 66

Multiple Choice

Why doesn't semen enter the urinary bladder during ejaculation?

• A) The smooth muscle sphincter at the base of the urinary bladder closes.
• B) There is no urge to urinate during sexual intercourse because of the suppression of LH by testosterone buildup in the blood.
• C) Ejaculation is a parasympathetic reflex resulting in no response by urinary contraction muscles.
• D) There is no common duct between the reproductive system and the urinary system.

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