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NR 224 Exam 2 questions n answers graded A+
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NR 224 Exam 2 questions n answers graded A+
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NR 224 Exam 2NR 224 2024/2025
NR 224
Nr 224 ventilation - correct answer ✔✔movement of air into and out of lungs, regulation in aveoli
perfusion - correct answer ✔✔ability of cardiovascular system to pump oxygenated blood to tissues and return deoxygenated blood to lungs
pulmonary system - correct answer ✔✔lungs, airways, chest walls, blood vessels
hypoxia - correct answer ✔✔low oxygen in tissues
hypoxemia - correct answer ✔✔low oxygen in blood
hypoventilation - correct answer ✔✔ventilation inadequate to meet oxygen needs or eliminate enough CO2, caused by collapsed alveoli
hyperventilation - correct answer ✔✔increased respiratory rate which causes excess CO2 elimination, anxiety/infection/drugs/acid-base imbalance induce hyperventilation
conduction system - correct answer ✔✔sinoatrial node, atrioventricular node, bundle of His, Purkinje fibers
electrocardiogram (ECG) - correct answer ✔✔ECG waveform (P wave, QRS complex, T wave)
alterations of circulatory system - correct answer ✔✔decreased cardiac output (heart failure), myocardial ischemia (myocardial infarction), impaired valvular function (obstructed blood flow, regurgitation), left-sided heart failure (decreased cardiac output, pulmonary congestion), right-sided heart failure (distended jugular veins, peripheral edema), hypovolemia (decreased circulating blood flow)
sinus tachycardia - correct answer ✔✔regular rhythm, fast rate of 100-180 bpm
sinus bradycardia - correct answer ✔✔regular rhythm, slow rate of <60 bpm
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