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Rcis exam practice questions and answers 2023 What is the formula for calculating cardiac output? a. CO= PA- 1SVC b. CO= AO x PA c. CO= HR x SV - Answer c. CO= HR x SV Stoke Volume is ________? a. Related to preload b. Related to afterload c. The same as ejection fraction - Answer a. Related to preload Preload is most impacted by: a. Mean arterial pressure b. Increased filling volumes c. Ejection Fraction - Answer b. Increased filling volumes A patient with chronic untreated hypertension would demonstrate a. increased afterload b. decreased afterload c. decreased preload - Answer a. increased afterload Vascular resistance/pressure is most influenced by a. Blood Viscosity b. BMI c. Length of the vessel d. Radius of the vessel - Answer d. Radius of the vessel The formula for blood pressure is a. BP = SV x SVR b. BP = CO x SVR c. BP = HR x SVR - Answer b. BP = CO x SVR What component of a Pulmonary Capillary Wedge pressure indicates Mitral Insufficiency a. A wave b. C wave c. P Wave D. V wave - Answer D. V wave