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ExtremeBDS [4]
3 years ago
14

A thrombus (blood clot) in the first branch of the arch of the aorta would affect the flow of blood to the ________. A. left sid

e of the head and neck B. myocardium of the heart C. right side of the head and neck and right upper arm D. left upper arm
Biology
1 answer:
seropon [69]3 years ago
7 0

Answer:

C. right side of the head and neck and right upper arm

Explanation:

The arch of aorta is a continuation of ascending aorta and terminates at the intervertebral disc of fourth and fifth thoracic vertebrae. The superior part of the arch of aorta branches off into three major arteries. The first branch of arch of aorta is the largest branch and is known as the brachiocephalic trunk.

The brachiocephalic trunk divides and forms the subclavian artery and right common carotid artery. Right common carotid artery supplied blood to the right side of the head and neck while the right subclavian artery delivers blood to the right upper limb.

Hence, any blood clot in the first branch of arch of aorta, that is the brachiocephalic trunk would affect the blood supply to the right side of the head and neck and right upper arm.

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