ABCP Perfusion Boards Review Questions With Correct Answers

What is the max acceptable venous line pressure? A. 40 mmHg B. -40 mmHg C. 120 mmHg D. -120 mmHg - Answer B. -40 mmHg An advantage of continuous warm blood cardioplegia is: A. increased oxygen delivery. B. significantly decreased myocardial oxygen tension. C. a shift of the oxygen dissociation curve to the left. D. lower myocardial oxygen consumption. - Answer A. increased oxygen delivery. Intra-aortic balloon augmentation is contraindicated in patients with: A. prosthetic aortic valves. B. aortic insufficiency. C. ventricular septal defects. D. peripheral atherosclerosis. - Answer B. aortic insufficiency. When using a roller pump, aortic dissection caused by the aortic cannula may be detected by: A. elevated venous return. B. elevated arterial line pressure. C. elevated left radial artery pressure. D. increased venous saturation. - Answer B. elevated arterial line pressure. The most significant advantage of venovenous ECMO over venoarterial ECMO is: A. improved cardiac support. B. unaffected pulmonary hemodynamics. C. superior arterial oxygenation. D. reduced pulmonary blood flow - Answer B. unaffected pulmonary hemodynamics. When compared to true membranes, hydrophobic microporous membrane oxygenators may exhibit which of the following characteristics? A. increased oxygen transfer. B. fluid passage to the gas compartment. C. decreased carbon dioxide transfer. D. reduced surface boundary layer. - Answer B. fluid passage to the gas compartment. Polyvinyl Chloride tubing in the roller pump usually deteriorates by: A. crumbling away from the outside in. B. crumbling away from the inside out. C. cracking and breaking from the outer edge in. D. cracking and breaking from the inner edge out. - Answer C. cracking and breaking from the outer edge in. Activated Factor X is the first step in which of the following coagulation stages? A. intrinsic pathway. B. common pathway. C. waterfall sequence. D. extrinsic pathway - Answer B. common pathway. Under normal physiological conditions, which organ has the lowest oxygen consumption per unit weight? A. brain. B. kidney. C. lungs. D. liver - Answer B. kidney. The release of norepinephrine by the nerve impulses causes interaction with: A. alpha receptors. B. beta receptors. C. baroreceptors. D. chemoreceptors. - Answer A. alpha receptors. In a patient with a chronic hypoxic condition, the oxyhemoglobin dissociation curve is shifted to the right by: A. the Haldane effect. B. increased 2,3 DPG levels. C. the Bohr effect. D. increased ADP. - Answer B. increased 2,3 DPG levels. The use of Citrate Phosphate Dextrose (CPD-A) blood in the perfusate affects which parameter? A. potassium. B. ionized calcium. C. total carbon dioxide. D. blood sugar - Answer B. ionized calcium. Dexamethasone is a potent, synthetic: A. curarizing agent. B. anti-arrhythmic. C. adrenocortical steroid. D. beta blocker - Answer C. adrenocortical steroid.