telemetry exam questions with 100% correct answers 2023/2024

telemetry examRight atrium: oxygenated or deoxygenated? - correct answer deoxygenated right ventricle: oxygenated or deoxygenated? - correct answer deoxygenated Left atrium: oxygenated or deoxygenated? - correct answer oxygenated left ventricle: oxygenated or deoxygenated? - correct answer oxygenated pulmonary artery: oxygenated or deoxygenated? - correct answer deoxygenated aortic arch: oxygenated or deoxygenated? - correct answer oxygenated superior vena cava: oxygenated or deoxygenated? - correct answer oxygenated inferior vena cava: oxygenated or deoxygenated? - correct answer deoxygenated pulmonary vein: oxygenated or deoxygenated? - correct answer oxygenated atrioventricular valves - correct answer mitral and tricuspid what heart sound do the atrioventricular valves produce? - correct answer makes S1 or "lub" semi-lunar valves - correct answer pulmonary and aortic what heart sounds do the semi-lunar valves produce? - correct answer S2 or "DUB" automaticity - correct answer ability to make an impulse excitability - correct answer ability to respond to an impulse conductivity - correct answer ability to transmit energy from one cell to another what sets the rate for the heart and what is normal rate? - correct answer determined by the fastest firing node SA node: 60-100 what node fires at a rate of 40-60? - correct answer AV node what "pacemaker" fires the slowest? what are the norms for this node? - correct answer ventricular: 30-40 identify 5 stage of action potential - correct answer 1. rapid depolarization 2. early repolarization 3. plateau phase 4. rapid repolarization 5. resting phase 1. rapid depolarization - correct answer sodium moves RAPIDLY into cells, calcium moves SLOWLY into cells 2. early repolarization - correct answer sodium channels close 3. plateau phase - correct answer calcium continues to flow in, potassium flows out of cell 4. rapid repolarization - correct answer calcium channels close, potassium flows out RAPIDLY