NSG 300 Exam 3 || with 100% Verified Solutions.

3 steps in the process of oxygenation: correct answers ventilation, perfusion, and diffusion Is inspiration an active or passive process? correct answers active; stimulated by chemical receptors in the aorta Is expiration an active or passive process? correct answers passive; depends on the elastic recoil properties of the lungs, requiring little or no muscle work TRUE or FALSE: clubbing will not occur in patients with asthma. correct answers FALSE What is lung capacity based off of? correct answers Age Gender Height Where does pulmonary circulation begin? correct answers pulmonary artery which receives poorly oxygenated blood from the right ventricle What affects the rate of gas diffusion in the lungs? correct answers the thickness of the alveolar capillary membrane What issues cause a thicker alveolar membrane? correct answers -pulmonary edema -pulmonary infiltrates -pulmonary effusion What chronic diseases alter the amount of alveolar capillary membrane surface? correct answers -emphysema -pneumothorax -lobectomy TRUE or FALSE: you can never give too much O2 to a patient with COPD correct answers FALSE if you do so then they will not be able to properly expel CO2 What three things influence the capacity of the blood to carry O2? correct answers 1. the amount of dissolved O2 in the plasma 2. the amount of hemoglobin 3. the ability of the hemoglobin to bind with O2 What does the CNS regulate in terms of respiration? correct answers rate, depth, and rhythm What does the cerebral cortex regulate in terms of respiration? correct answers voluntary control of respiration