INBDE (Integrated National Board Dental Examination) Practice Exam

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What is the main artery to the upper limb called?

Subclavian
Axillary
Brachial
Carotid

The correct answer is: Subclavian

The subclavian artery is the correct answer because it is the main artery that supplies blood to the upper limb which includes the arm, shoulder, and chest regions. The other options are incorrect because - The axillary artery supplies blood to the armpit region and upper arm, but it is a branch of the subclavian artery and not the main artery to the upper limb. - The brachial artery supplies blood to the arm and is also a branch of the subclavian artery, but it is not the main artery to the upper limb. - The carotid artery supplies blood to the head and neck, but it does not supply blood to the upper limb. Overall, the subclavian artery is the main artery to the upper limb and the only option that is directly connected to the upper limb.