What is the fate of an immature B cell that encounters and has specificity for self antigen?
a. If further heavy-chain and light-chain gene rearrangements are possible, it undergoes apoptosis.
b. Somatic hypermutation.
c. Decrease in production of IgD.
d. Continued rearrangement of heavy-chain genes.
e. Continued rearrangement of light-chain genes.
E
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The combining form that means hump is ________.
Fill in the blank(s) with the appropriate word(s).
Urine production takes place in the:
A) nephrons. B) bladder. C) ureter. D) renal pelvis.
hematoma : Mass of __________ outside the vessels and confined within an organ or space within the body, commonly known as a bruise or contusion when visible through the skin
Fill in the missing word in the definition for the key term.
When smoking a cigarette, the rate of absorption of chemicals into the body is
A. greatest during the last third of the cigarette. B. greatest during the first third of the cigarette. C. greatest when the midpoint of the cigarette is reached. D. constant as the cigarette is smoked.