Question

which of the following diagnostic procedures is a test for malignant cells?
a sputum cytology
b sputum culture and sensitivity
c pulmonary function test
d arterial blood gases

Explanation:

Sputum cytology examines cells in sputum for signs of malignancy. Sputum culture and sensitivity tests for bacteria and their antibiotic - sensitivity, pulmonary function test assesses lung function, and arterial blood gases measure gas levels in blood.

Answer:

A. sputum cytology