When doing surgery on the heart it is necessary to allow the cardiac surgeon to work in a bloodless surgical field and still maintain perfusion of body organs and tissues. What technique is often used?
A) CABG
B) PTCA
C) Atherectomy
D) Cardiopulmonary bypass
Ans: D
Feedback: Cardiopulmonary bypass is often used to circulate and oxygenate blood mechanically while bypassing the heart and lungs. PTCA, atherectomy, and CABG are all surgical procedures.
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