The second vaccination is beneficial because
A. it contains plasma cells that survive longer than 4—5 days.
B. it stimulates production of a higher concentration of antibodies in the bloodstream.
C. it requires two injections to stimulate antibody formation.
D. it keeps previously produced plasma cells circulating in the bloodstream.
Answer:B
The second vaccination is beneficial because
A. it contains plasma cells that survive longer than 4—5 days. B. it stimulates production of a higher concentration of antibodies in the bloodstream. C. it requires two injections to stimulate antibody formation. D. it keeps previously produced plasma cells circulating in the bloodstream.