All of the following are examples of pulmonary function tests except

Question

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Coronary angiography is a diagnostic test that involves injecting contrast dye into the coronary arteries to visualize any blockages or narrowing in the blood vessels that supply the heart muscle. It is not a pulmonary function test.

The other options are all pulmonary function tests:
B) Diffusion capacity measures the transfer of gases, such as oxygen and carbon dioxide, from the lungs into the bloodstream.
C) Arterial blood gas studies measure the levels of oxygen, carbon dioxide, and other molecules in the arterial blood, providing information about lung function and gas exchange.
D) Pulse oximetry measures the oxygen saturation level in the blood, which can indicate how efficiently the lungs are oxygenating the blood.

All of the Following Are Examples of Pulmonary Function Tests