4.4 of 12 Ratings
A 21-year-old U.S. born first year medical student with no prior hospital or healthcare work presents to the physician for a routine physical exam. The patient is HIV negative, denies drug use, and denies sick contacts. The physician places a purified protein tuberculin test in the patient's right forearm intradermally. What is the proper time to read the test and induration diameter that would indicate a positive test result?
24 hours and 18mm diameter
36 hours and 7mm diameter
48 hours and 11mm diameter
72 hours and 16mm diameter
96 hours and 14mm diameter
Select Answer to see Preferred Response
A 33-year-old nurse who was born in the United States and has lived in the US all her life is referred to an infectious disease specialist after she exhibited a PPD skin test with 17 mm of induration. She denies any cough, shortness of breath, hemoptysis, weight loss, fatigue, fevers, or night sweats over the last several months. However, she works in the federal penitentiary system and has also provided aid on foreign medical mission trips to Haiti in the past few years. Her temperature is 97.0°F (36.1°C), blood pressure is 120/81 mmHg, pulse is 82/min, respirations are 15/min, and oxygen saturation is 98% on room air. An initial chest radiograph is unremarkable. Which of the following is the most appropriate management of this patient?
No management indicated
Repeat PPD in 1 week
Rifampin, isoniazid, pyrazinamide, and ethambutol
A 29-year-old man who recently returned from 4 years of missionary work in India presents to your primary care office complaining of numbness and tingling in his toes bilaterally for the last several weeks. The patient states that his past medical history is significant only for a "lung infection," which was treated with antibiotics. He has brought with him copies of his medical records from India, which include a copy of a chest radiograph (Figure A). Which of the following dietary supplements could have prevented this adverse effect?