A 68-year-old female patient has no visible bleeding, but remains anemic. Her physician is concerned about possible gastrointestinal bleeding. Which of the following tests might be ordered?

A 68-year-old female patient has no visible bleeding, but remains anemic. Her physician is concerned about possible gastrointestinal bleeding. Which of the following tests might be ordered?



A. DEXA scan 


B. guaiac smear test


C. Pap smear test


D. prostatic-specific antigen test



Answer: B


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