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Cardiopulmonary bypass: Quiz
  
  
  

Question 1: The oxygenator is designed to transfer oxygen to infused ________ and remove carbon dioxide from the venous blood.
Blood plasmaRed blood cellPlateletBlood

Question 2: Cardiopulmonary bypass (CPB) is a technique that temporarily takes over the function of the ________ and lungs during surgery, maintaining the circulation of blood and the oxygen content of the body.
Lymphatic systemHeartTorsoCirculatory system

Question 3: If blood flow is stopped at normal ________, permanent brain damage normally occurs in three to four minutes — death may follow shortly afterward.
Normal human body temperatureThermoregulationHypothermiaFever

Question 4: Cardiopulmonary bypass consists of two main functional units, the ________ and the oxygenator which remove oxygen-deprived blood from a patient's body and replace it with oxygen-rich blood through a series of hoses.
PumpBernoulli's principleTurbineGas compressor

Question 5: The components of the CPB circuit are interconnected by a series of tubes made of silicone rubber or ________.
PolycarbonatePolystyrenePolyvinyl chloridePlastic

Question 6: The patient must be fully anticoagulated with an anticoagulant such as ________ to prevent massive clotting of blood in the circuit.
WarfarinAspirinHeparinoidHeparin

Question 7: This is commonly referred to as a roller pump, or ________.
Cardiopulmonary bypassPeristaltic pumpElastomerHose (tubing)

Question 8: Cardiopulmonary bypass is commonly used in ________ because of the difficulty of operating on the beating heart.
Mitral valve repairCardiac surgeryArtificial pacemakerCoronary artery bypass surgery

Question 9: The oxygenator was first conceptualised in the 17th century by ________ and developed into practical extracorporeal oxygenators by French and German experimental physiologists in the 19th century.
Scientific revolutionChristopher WrenEnglandRobert Hooke

Question 10: Cardiopulmonary bypass pumps are operated by allied health professionals known as ________ in association with surgeons who connect the pump to the patient's body.
Aortic dissectionHeart transplantationPerfusionistCardiac surgery
















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