Please confirm that I have chosen the correct answers.
29. The ability to mount an efficient secondary antibody response depends on
a. Memory T and B cells
b. High concentrations of IgA antibody
c. Cross-linking of IgM antibodies
d. All of the above are correct
I choose answer (d)
32. A natural barrier to the intestine is provided by the extremely alkaline environment of the stomach contents. (Does the alkalinity of the stomach provide a natural defense against disease?)
My choice is False since the stomach is acidic.
For 29, you have chosen the incorrect answer. The correct answer is A. A secondary response relies on the presence of previously activated B and/or T ...
Discusses 2 multiple choice questions on the immune system. One relates the immunological memory, the other to the stomach as part of the immune system.