CVP Cardiopulmonary Bypass

Question 1

What is the primary function of a cardiopulmonary bypass machine?

Accepted Answer

To temporarily replace the function of the heart and lungs during surgery

Answer

To monitor blood pressure

Answer

To administer anesthesia

Answer

To regulate body temperature only

Question 2

What anticoagulant is most commonly used during cardiopulmonary bypass?

Accepted Answer

Heparin

Answer

Warfarin

Answer

Aspirin

Answer

Clopidogrel

Question 3

What is the activated clotting time (ACT) target range during cardiopulmonary bypass?

Accepted Answer

Greater than 480 seconds

Answer

60 to 120 seconds

Answer

200 to 300 seconds

Answer

Less than 150 seconds

Question 4

What is the role of the oxygenator in the bypass circuit?

Accepted Answer

To add oxygen and remove carbon dioxide from the blood

Answer

To filter blood clots

Answer

To warm the blood only

Answer

To measure blood flow

Question 5

What is hemodilution during cardiopulmonary bypass?

Accepted Answer

Dilution of blood with crystalloid or colloid priming solutions reducing hematocrit

Answer

Concentration of blood components

Answer

Removal of plasma from the blood

Answer

Addition of red blood cells

Question 6

What drug is used to reverse heparin after cardiopulmonary bypass?

Accepted Answer

Protamine sulfate

Answer

Vitamin K

Answer

Fresh frozen plasma

Answer

Aminocaproic acid