How many chromosomes does DNA have?

A) 20
B) 26
C) 22
D) 24


D
Explanation: D) DNA in the human genome is arranged into 24 distinct chromosomes. These physically separate molecules range in length from about 50 million to 250 million base pairs.

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Which of the following cells mainly target cancer cells? 

A. Macrophages and lymphocytes B. T cells C. B cells D. Monokines E. Natural killer (NK) cells

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A patient with a temporal temperature reading of 100.3°F would be considered:

A) ?average. B) ?febral. C) febrile. D) ?normal.

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At an altitude of 8,000 ft, the low PAO2 (about 59 mm Hg) leads to _______________.

Fill in the blank(s) with the appropriate word(s).

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___________ serves as a pointer, indicator, or guide to facilitate reference.

A. Registry B. Index C. Primary data D. Secondary data

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