ACTUAL Questions and CORRECT
Answers
The 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 A
IABP augmentation is contraindicated in patients with:
A: prosthetic aortic valves
B: aortic insufficiency
C: VSDs
D: peripheral atherosclerosis - CORRECT ANSWER B
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 - CORRECT ANSWER B
The most significant advantage of VV ECMO over VA ECMO is:
A: improved cardiac support
,B: unaffected pulmonary hemodynamics
C: superior arterial oxygenation
D: reduced pulmonary blood flow - CORRECT ANSWER B
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 CO2 transfer
D: reduced surface boundary layer - CORRECT ANSWER B
Polyvinly Chloride tubing in the roller pump usually deteriorates by:
A: crumbling away from the outside
B: crumbling away from the inside
C: cracking and breaking from the outer edge in
D: cracking or breaking from the inner edge out - CORRECT ANSWER C
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 - CORRECT ANSWER B
Under normal physiologic conditions, which organ has the lowest oxygen consumption per unit
weight?
,A: brain
B: kidney
C: lungs
D: liver - CORRECT ANSWER B
The release of norepinephrine by the nerve impulses causes interaction with:
A: alpha receptors
B: beta receptors
C: baroreceptors
D: chemoreceptors - CORRECT ANSWER A
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 - CORRECT ANSWER B
The use of Citrate Phosphate Dextrose (CPD-A) in blood in the perfusate affects which
parameters?
A: potassium
B: ionized calcium
C: total carbon dioxide
D: blood sugar - CORRECT ANSWER B
, Dexamethasone is a potent, synthetic:
A: curarizing agent
B: anti-arrhythmic
C: adrenocortical steroid
D: beta blocker - CORRECT ANSWER C
Deferoxamine (desferrioxamine) administered in large doses is a(n):
A: diuretic
B: calcium channel blocker
C: antiarrhythmic agent
D: hydroxyl radical scavenger - CORRECT ANSWER D
Iloprost is an analog of:
A: IgA
B: aprotinin
C: prostacyclin
D: thromboxane - CORRECT ANSWER C
With normal renal function, the half-life of Cephalexin is:
A: 1 hour
B: 3 hours
C: 6 hours
D: 12 hours - CORRECT ANSWER A