If a mouse no longer looks pregnant and no pups are visible, the technologist can examine the mouse's ______ for evidence of birthing.

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Multiple Choice

If a mouse no longer looks pregnant and no pups are visible, the technologist can examine the mouse's ______ for evidence of birthing.

Explanation:
Look for physical signs in the birth canal. The vulva is where evidence of parturition would appear externally, such as postpartum discharge or changes indicating recent birth. A copulatory plug shows mating occurred but not birth, so it doesn’t confirm that birth has happened. Feces don’t indicate birthing, and the placenta is typically delivered with the pups and isn’t a practical external sign to rely on. So examining the vulva provides the most direct indication that birthing has occurred.

Look for physical signs in the birth canal. The vulva is where evidence of parturition would appear externally, such as postpartum discharge or changes indicating recent birth. A copulatory plug shows mating occurred but not birth, so it doesn’t confirm that birth has happened. Feces don’t indicate birthing, and the placenta is typically delivered with the pups and isn’t a practical external sign to rely on. So examining the vulva provides the most direct indication that birthing has occurred.

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