PFT & ABG

How is the vast majority of oxygen carried in the blood? correct answer: chemically combined with Hb Under normal physiologic circumstances, how many milliliters of oxygen are capable of combining with 1 g of Hb? correct answer: 1.340 ml A patient has a P50 value of 29 mm Hg. What does this indicate? correct answer: decreased affinity of Hb for oxygen Hypoxia is best defined as a condition in which what occurs? correct answer: Tissue oxygen delivery is inadequate to meet cellular ne...

What does Spirometry do and how is it performed? correct answer: -Measures airflow, typically used to detect and monitor obstructive diseases. - Pt is standing or sitting, inhales maximally, with a good seal around the mouthpiece the patient blows out as hard and fast as possible for at least 6 seconds, record the best of three trials What is Diffusing capacity of Carbon Monoxide Capacity (DLCO) correct answer: Tests pulmonary vascular function. measures the ability of the lungs to transfe...