Which diagnostic procedure measures the oxygen level in the blood?
A) ventilation-perfusion scan
B) oximetry
C) bronchography
D) polysomnography
B
Explanation: Oximetry measures the oxygen level in the blood. Ventilation-perfusion scan is a nuclear medicine test useful in identifying pulmonary emboli. Bronchography is an X-ray of the lung. Polysomnography is done to detect sleep apnea.
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Fill in the blank(s) with correct word
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