Question

The heart-lung machine is used so that surgeons can operate on the arteries supplying
heart muscle. These arteries may be diseased.
Name these arteries and explain how they may become diseased.
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Answer 1

Answer:

This creates a new route for blood to flow, so that the heart muscle will get the oxygen-rich blood it needs to work properly. During bypass surgery, the breastbone (sternum) is divided, the heart is stopped, and blood is sent through a heart-lung machine.

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