What would be the expected response in an Rh-positive infant who was accidentally injected with RhoGAM?
a. The infant would rapidly develop antibodies to Rh-positive red blood cells.
b. The infant would rapidly develop antibodies to Rh-negative red blood cells.
c. Some of the infant's Rh-positive red blood cells would be destroyed.
d. The infant's blood type would change from Rh-positive to Rh-negative.
Question 2
A 75-year-old patient tells you he is not planning to receive a flu shot this year because he had one just a year ago. What is your best response?
a. Because you are older and your immune system is more fragile, you should have one this year too as a booster.
b. The virus causing influenza often changes each year and a new influenza vaccination is needed every flu season.
c. The flu shot you had last year should still protect you for seasonal influenza, but you still need a vaccination for H1N1.
d. The fact that you have been vaccinated by injection just last year makes you a candidate to use the nasal vaccination this year.
The three stages of a specific immune response.
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