A 52-year-old woman comes to the general medicine clinic ...

PPD skin testing (choice B) is reserved for health care workers, alcoholics, IV drug abusers, diabetics, or end-stage renal patients. The RPR or rapid plasma reagin test (choice D) is used to test for syphilis and is recommended if the patient is pregnant, has a history of sexual transmitted diseases, or of she engages in sexual activity for money. ................
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