

MCQOPTIONS
Saved Bookmarks
1. |
If a person is vaccinated against a disease sometime in the past, which of the following is currently in your body? |
A. | A very high level of antibodies against the disease antigens |
B. | The disease organism itself and antigens for the disease organism |
C. | All of the above |
D. | Memory B lymphocytes for the antigen of this disease organism |
Answer» D. Memory B lymphocytes for the antigen of this disease organism | |