A 36-year-old woman who lives in the southern United States comes to the physician for a tuberculin skin test. She will be volunteering in her
daughter’s school cafeteria, and the school district requires tuberculin testing. She says that she feels “perfectl y fine” and has never been tested
for tuberculosis. The patient has no ill contacts and no underlying medical conditions. She was born in the United States, is not a health care
worker, and has never been incarcerated. Two days after intradermal inj ection of the Mycobacterium tuberculosis purified protein derivative, there
is a 12-mm induration. What is the best next step in management of this patient?
- Q A. Chest x-ray
- Q B. lsoniazid for 6 months
- Q C . lsoniazid with pyridoxine for 9 months
- Q D. lsoniazid, rifampin, ethambutol, and pyrazinamide for 8 weeks
- Q E. No additional intervention required
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