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WorksheetsPerfusionist
Total questions: 15
Worksheet time: 7mins
A Perfusionist, also known as a Clinical Perfusionist, is a trained health professional who operates the heart-lung machine during ________ and other surgeries that require cardiopulmonary bypass
AAA surgery
Artificial pacemaker
Open heart surgery
Lungs transplantation surgery
The primary objectives of Cardiopulmonary Bypass (CPB) are to provide adequate blood circulation and organ perfusion as well as maintain ventilation and regulate a body temperature
False
True
What are the advantages of roller pump
Occlusive
Reliable output
Afterload dependent
All above
What is the FALSE STATEMENT regarding centrifugal pump
Non occlusive
Afterload independent
Kinetic force
Expensive
Centrifugal pump also can generate PULSATILE FLOW
True
False
Which statement is FALSE about hemodilution in CPB
Improved micro circulation
Lower shear stress
Decrease blood viscosity
None above
Inadequate delivery (perfusion) of blood to tissue may lead to
Metabolic alkalosis
Respiratory acidosis
Lactic acidosis
Respiratory alkalosis
Safe minimal heparin dosage in CPB circuit is about :
0.1 -0.5 IU/ml priming volume
1.0-1.5 IU/ml priming volume
2.0-2.5 IU/ml priming volume
3.0-3.5 IU/ml priming volume
Perfusionists should strive to minimize ___________ while on cardiopulmonary bypass
pump flow
blood volume
distractions
communication
Which of the following urine output values indicates potentially poor renal perfusion?
Less than 15 ml/kg/hr
Less than 10 ml/kg/hr
Less than 5 ml/kg/hr
Less than 1 ml/kg/hr
During ventricular fibrillation (VF) energy stores are used more quickly than if the heart was in sinus rhythm
False
True
If air is observed in the arterial line at the table during VA ECMO, with a centrifugal pump system in place, perfusionist should immediately
clamp the venous line
turn the pump off
clamp the arterial line
place the patient in trendelenburg
If air is observed in the arterial line at the table during CPB, with a roller pump system, the first step perfusionist should take immediately is
clamp the arterial line
turn the roller pump off
clamp the venous line
ask surgeon to clamp the arterial cannula
A Pre-Bypass checklist should be completed ________________
before the pump is primed
after the heparin is given to patient
after the pump is primed and lines are on the operating field
when the LIMA down
Which would be a least important consideration in cannula selection?
Size of cannula
Flow requirement
Types of surgery
Patient gender
