NR 224 Exam 2 Questions With Correct Answers!!

ventilation - movement of air into and out of lungs, regulation in aveoli perfusion - ability of cardiovascular system to pump oxygenated blood to tissues and return deoxygenated blood to lungs pulmonary system - lungs, airways, chest walls, blood vessels hypoxia - low oxygen in tissues hypoxemia - low oxygen in blood hypoventilation - ventilation inadequate to meet oxygen needs or eliminate enough CO2, caused by collapsed alveoli hyperventilation - increased respiratory rate which causes excess CO2 elimination, anxiety/infection/drugs/acid-base imbalance induce hyperventilation conduction system - sinoatrial node, atrioventricular node, bundle of His, Purkinje fibers electrocardiogram (ECG) - ECG waveform (P wave, QRS complex, T wave)