A child is receiving a seasonal influenza vaccination administered by nasal inhalation. What type of immunity is expected to develop as a result of this vaccination method?
a. Artificially acquired passive immunity
b. Artificially acquired active immunity
c. Naturally acquired passive immunity
d. Naturally acquired active immunity
Question 2
A mother of a 6-month-old infant who is to receive a vaccination against diphtheria, pertussis, and tetanus today asks why her baby needs this third injection when she has already received two previous vaccinations against these diseases.
What is your best answer?
a. The first two injections provided your baby with passive immunity and this one will provide active immunity.
b. The first two injections provided protection against diphtheria and pertussis whereas this one is against tetanus.
c. Infants have some protection against these disorders because you had these vaccinations as a child, but now that protection is gone.
d. Infants have immature immune systems that are only capable of making a few antibodies at a time after vaccination and need frequent boosting.
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