Question

which of the following diagnostic tests is used to diagnose cystic fibrosis? a sweat test b spirometry c pulmonary angiography d sputum cytology

Explanation:

Cystic fibrosis is a genetic disorder affecting the exocrine glands. A sweat test measures the amount of chloride in sweat. People with cystic fibrosis have higher - than - normal chloride levels in their sweat. Spirometry measures lung function, pulmonary angiography is for visualizing blood vessels in the lungs, and sputum cytology examines cells in sputum, none of which are the primary test for cystic fibrosis.

Answer:

A. sweat test