Why does active immunity produce long-term immunity better than passive immunity?
A. Active immunity always leads to having the illness though in a milder form than an unvaccinated individual.
B. Antibodies do not produce long term immunity because they breakdown after two weeks.
C. During active immunity, antigens for the disease are presented to the immune system through classical antigen presentation mechanisms, so an active B-cell response and immunologic memory develop.
D. Long-term storage of antibodies maintains vaccine integrity however antigens cannot be stored long term.
E. Both A and B.
C
You might also like to view...
In hyperopia, _____
A) distant vision remains good, and the eye can form focused images of close objects B) distant vision remains good, but the eye cannot form focused images of close objects C) the eye can form focused images of both distant vision and close objects D) the eye cannot form focused images of distant vision, but can for close objects
With regard to rectal administration of medications, it is very important to remember ___.
a. rectally administered medications are especially dangerous b. positioning the patient is irrelevant as long as the medication is placed in the rectum c. to respect the patient’s dignity d. that the patient’s cooperation is not necessary once the medication is in place
A variety of factors, ranging from heredity to environment to behavior, have played a role in the increase in overweight and obesity. Name five of these factors identified in Personal Health.
What will be an ideal response?
Who was the most significant person in the formulation of the rules of American football?
A. Walter Camp B. James Naismith C. Knute Rockne D. Theodore Roosevelt E. Amos Alonzo Stagg