Which of the following diagnostic procedures monitors a patient while sleeping to identify sleep apnea?
A) pulmonary function test
B) ventilation-perfusion scan
C) polysomnography
D) bronchoscopy
C) polysomnography
Polysomnography is performed while a patient is sleeping to identify sleep apnea.
The pulmonary function test gives information regarding air flow in and out of the lungs, lung
volumes, and gas exchange between the lungs and bloodstream. A ventilation-perfusion scan is a
nuclear medicine test useful in identifying pulmonary emboli. Bronchoscopy is done to visualize
the inside of the bronchi.
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Fill in the blank(s) with the appropriate word(s).
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