Match Each Term with the Correct Definition

Match each term with the correct definition.
-pulse oximetry

A) Radiographic examination of pulmonary circulation after injection of a contrast dye
B) Indirect measure of arterial blood O₂ saturation level
C) Measures levels of O₂, CO₂, and acid-base balance (pH) in arterial blood
D) Sample of mucus or fluid coughed up from the lungs that is evaluated
E) Measurement of volume of air that can be exhaled after maximum inspiration