A Diagnosis of Tuberculosis Involves A/an ______

Question

A diagnosis of tuberculosis involves a/an ______.
A) chest X ray
B) acid-fast stain of sputum
C) sputum culture
D) tuberculin skin test
E) All of the choices are correct.

Accepted Answer

All of the choices listed are methods used in the diagnosis of tuberculosis. A chest X-ray can show evidence of active or past TB. An acid-fast stain of sputum can identify the presence of acid-fast bacilli, such as Mycobacterium tuberculosis. A sputum culture can grow the bacteria for definitive identification. A tuberculin skin test can indicate exposure to TB bacteria.