Use the drop-down menu to complete the sentence.Cardiac perfusionists perform cardiopulmonary bypass using a machine called a echocardiogram machinecardiovascular monitorheart-lung machineheart monitor.

Cardiopulmonary bypass temporarily takes over the work of the heart and lungs during surgery. A heart-lung machine pumps blood through the body and adds oxygen, so the correct choice is the heart-lung machine.

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