Which of the following is characteristic of an acute graft-versus-host disease episode?

A. The reaction occurs outside 100 days of the transplant.
B. The reaction involves the skin, gastrointestinal (GI) tract, and liver.
C. The reaction produces a fibrous condition of the mouth and eyes.
D. The reaction involves the recipient's bone marrow.


Ans: B. The reaction involves the skin, gastrointestinal (GI) tract, and liver.

Biology & Microbiology

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What blood type is called the universal donor?

A. O- B. AB+ C. Ab- D. O+

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Which of the following is NOT true of hormones?

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In Figure 17-1, the purpose of growing the donor cells in nutrient-limited media is:


a. to have small cells that would be easier to manipulate.
b. to replicate a normal environment.
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d. to induce favorable mutations.
e. to initiate apoptosis.

Biology & Microbiology