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Questions and Answers
Which route do neonates acquire maternal antibodies through?
Which route do neonates acquire maternal antibodies through?
- During pregnancy, maternal IgG binds to the FcRn expressed in the placenta and is transported into the fetal circulation. (correct)
- After birth, infants ingest maternal IgA antibodies that are secreted into their mothers' colostrum and milk.
- During pregnancy, maternal IgA binds to the FcRn expressed in the placenta and is transported into the fetal circulation.
- After birth, infants ingest maternal IgG antibodies that are secreted into their mothers' colostrum and milk.
What is the function of maternal antibodies in protecting newborns from infections?
What is the function of maternal antibodies in protecting newborns from infections?
- They directly kill the infectious microbes in the newborn's body.
- They provide temporary immune protection to the newborn. (correct)
- They enhance the development of the newborn's immune system.
- They prevent the transmission of infectious microbes from the mother to the newborn.
What is the term used to describe the type of immunity acquired by neonates through maternal antibodies?
What is the term used to describe the type of immunity acquired by neonates through maternal antibodies?
- Innate immunity
- Active immunity
- Acquired immunity
- Passive immunity (correct)
