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A newborn receiving antibodies through the mother's COLOSTRUM is an example of:
AActive natural immunity (from infection)
BActive artificial immunity (from vaccination)
CPassive artificial immunity (from anti-toxin)
DPassive natural immunity (ready-made antibodies)
Answer & Solution
Correct answer: D. Passive natural immunity (ready-made antibodies)
Colostrum gives the newborn READY-MADE antibodies (IgA mostly). This is PASSIVE NATURAL immunity: no immune response by the baby, no memory; antibodies fade in weeks-months. Active = own body makes antibodies.
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