单选题
A client asks the nurse what PSA is. The nurse should reply that it stands for
A、
prostate-specific antigen, used to screen for prostate cancer.
B、
protein serum antigen, used to determine protein levels.
C、
pneumococcal strep antigen, a bacteria that causes pneumonia.
D、
papanicolaou-specific antigen, used to screen for cervical cancer.
【正确答案】
A
【答案解析】
PSA stands for prostate-specific antigen, which is used to screen for prostate cancer.
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