Anatomy – MCQ 15 – Exposure of left subclavian artery by supraclavicular approach

Exposure of left subclavian artery by supraclavicular approach does not require cutting of :
a) Sternocleidomastoid
b) Scalenus anterior
c) Scalenus medius
d) Omohyoid

Correct answer : c) Scalenus medius

Scalenus medius is located posterior to the subclavian artery. Hence there is no need to cut this to expose the subclavian artery.

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