RCP 500 WEEK 6 KEY POINTS EXAM QUESTIONS AND ANSWERS.

RCP 500 WEEK 6 KEY POINTS EXAM QUESTIONS AND ANSWERS
What is preload? - CORRECT ANSWER✅✅Ventricular filling pressure at end diastole



What does preload depend on? - CORRECT ANSWER✅✅Venous return, blood volume, ventricular
compliance



What measurement estimates right ventricular preload? - CORRECT ANSWER✅✅Central venous
pressure (CVP)



What is ejection fraction? - CORRECT ANSWER✅✅Percentage of blood ejected during systole



How is ejection fraction calculated? - CORRECT ANSWER✅✅EF = SV / EDV



What is normal ejection fraction? - CORRECT ANSWER✅✅0.50-0.70



What is contractility? - CORRECT ANSWER✅✅Force of myocardial contraction independent of preload
and afterload



What is afterload? - CORRECT ANSWER✅✅Resistance the ventricle must overcome to eject blood



What represents left ventricular afterload? - CORRECT ANSWER✅✅Systemic vascular resistance (SVR)



What represents right ventricular afterload? - CORRECT ANSWER✅✅Pulmonary vascular resistance
(PVR)



How is CVP line placement confirmed? - CORRECT ANSWER✅✅Chest X-ray



How is wedge pressure obtained? - CORRECT ANSWER✅✅Inflating the PAC balloon in the pulmonary
artery