Which of the following is associated with passive immunity?
A. exposure to an antigen
B. infusion of weakened viruses
C. passage of IgG antibodies from a pregnant mother to her fetus
D. booster shot of vaccine
Answer:C
Which of the following is associated with passive immunity?
A. exposure to an antigen B. infusion of weakened viruses C. passage of IgG antibodies from a pregnant mother to her fetus D. booster shot of vaccine