ACTUAL Questions and CORRECT
Answers
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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT ANSWER electrolyte concentration
When compared to true membranes, hydrophobia 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 - CORRECT ANSWER fluid passage to the gas
compartment
A low venous oxygen saturation may indicate all EXCEPT which of the following:
A. increased oxygen utilization
B. inadequate pump output
C. failure of the oxygenator to oxygenate the blood
D. A-V shunting - CORRECT ANSWER A-V shunting