Which of the following is a characteristic of B-2 cells?
a. They are sometimes referred to as CD5 B cells.
b. They comprise only 5% of the B-cell repertoire.
c. In adults, they are renewed by cell division in the peripheral circulation.
d. They are located primarily in secondary lymphoid organs.
e. They are not dependent on T helper cells for activation.
D
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Mary Riley drinks 5 ounces of water. You will record it as:
A) intake, 150 cc. B) output, 15 cc. C) intake, 15 cc. D) output, 150 cc.
Which of the following pairs is mismatched? (Select all that apply.)
a. appendix: large intestine b. mesenteric lymph nodes: urogenital tract c. effector compartment: induction of adaptive immune responses d. adenoids: base of nose e. villi: small intestine f. Peyer's patches: afferent lymphatics.
The human body burns about _____ calories for each liter of oxygen consumed
a. 4 b. 5 c. 7 d. 9
The first defenders against disease are the skin and mucous membranes.
Answer the following statement true (T) or false (F)