Questions and Correct Answers | New
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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 - 🧠 ANSWER ✔✔A
IABP augmentation is contraindicated in patients with:
,A: prosthetic aortic valves
B: aortic insufficiency
C: VSDs
D: peripheral atherosclerosis - 🧠 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 - 🧠 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 - 🧠 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 - 🧠 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 - 🧠 ANSWER ✔✔C
Activated Factor X is the first step in which of the following coagulation
stages?
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3
, A: intrinsic pathway
B: common pathway
C: waterfall sequence
D: extrinsic pathway - 🧠 ANSWER ✔✔B
Under normal physiologic conditions, which organ has the lowest oxygen
consumption per unit weight?
A: brain
B: kidney
C: lungs
D: liver - 🧠 ANSWER ✔✔B
The release of norepinephrine by the nerve impulses causes interaction
with:
A: alpha receptors