ABCP Basic Science Booklet Exam QUESTIONS CORRECTLY ANSWERED 2023

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 increased oxygen delivery Intra-aortic ballon augmentation is contraindicated in patients with: A. prosthetic aortic valves B. aortic insufficiency C. ventricular septal defects D. peripheral atherosclerosis - ANSWER aortic insufficiency When using a roller pump, aortic dissection caused by the aortic cannula my be detected by: A. elevated venous return B. elevated arterial line pressure C. elevated left radial artery pressure D. increased venous saturation - ANSWER 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 unaffected pulmonary hemodynamics The rate of water extraction using an ultrafiltration device is dependent upon all of the following EXCEPT: A. number, depth, and diameter of membrane pores. B. transmembrane pressure C. electrolyte concentration D. blood flow rate - ANSWER electrolyte concentration