Which of these is an example of passive immunity?
• a person develops antibodies to fight off an ear infection
• antibodies are passed from a pregnant woman to an infant through breast milk
• a person develops antibodies against the measles vaccine
• A person is vaccinated for hepatitis B

Respuesta :

Answer:

B (please give brainliest)

Explanation:

I have a book about this, I LOVE immunology. But to the actual question.

Passive: Not B, T, or Dendritic cells.

Not Passive: Anything Else.

A: This is not passive. It is using B cells to create antibodies.

B: This is Passive. It is using Cells created by the mother/child (not B cell.)

C: This is not passive. Once again, using antibodies.

D: This is not passive. Vaccinations use antibodies to lessen future attacks.

I hope that this helps!