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Secondary immune responses

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?)
a. True
b. False

My choice is False since the stomach is acidic.

Solution Preview

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 ...

Solution Summary

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.

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