ABCP Basic Science Booklet Practice
Exam: Questions/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 Ans - 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 Ans - 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 Ans - 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 Ans - 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 Ans - 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 Ans - 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 Ans - A-V shunting
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 Correct Ans -
cracking and breaking from the outer edge in
The theoretical advantage of blood cardioplegia over crystalloid is evidenced
by all the following EXCEPT:
A. greater preservation of myocardial high energy phosphates.
B. greater myocardial oxygen utilization
C. greater accumulation of myocardial lactate
Exam: Questions/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 Ans - 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 Ans - 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 Ans - 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 Ans - 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 Ans - 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 Ans - 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 Ans - A-V shunting
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 Correct Ans -
cracking and breaking from the outer edge in
The theoretical advantage of blood cardioplegia over crystalloid is evidenced
by all the following EXCEPT:
A. greater preservation of myocardial high energy phosphates.
B. greater myocardial oxygen utilization
C. greater accumulation of myocardial lactate
