Home » NCLEX » NCLEX-RN » Why the physician does not use the internal mammary artery for his bypass graft because his friend’s physician uses this artery. The nurse tells the client that the internal mammary artery:
A client is to have a coronary artery bypass graft performed in the morning using a saphenous vein. He wants to know why the physician does not use the internal mammary artery for his bypass graft because his friend’s physician uses this artery. The nurse tells the client that the internal mammary artery:
A. Takes more time to remove
B. Has a greater risk of becoming reoccluded
C. Is smaller in diameter
D. Has too many valves
Correct Answer: A
Explanation/Reference:
Explanation:
(A) It does take more time to remove the internal mammary artery, and this is one reason why some physicians do not use it. (B) There is not a greater risk of reocclusion. In fact, it may actually stay patent longer. (C) The internal mammary artery is actually larger in diameter than the saphenous vein. (D) The internal mammary artery does not have too many valves.
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