FALSE about subclan aery:

A. On left side arises from arch of aoa

B. On right side arises from brachiocephalic trunk

C. Veebral aery arises from 2nd pa

D. Divided by scalenus anterior muscle into three pas

Correct Answer: Veebral aery arises from 2nd pa

Description: Veebral aery arises from 1st pa of subclan aery. On the left side subclan aery comes directly off the aoic arch, while on the right side it arises from the brachiocephalic trunk. Scalenus anterior muscle divides subclavain aery into three pas. Branches: 1st Pa: Veebral aery Internal thoracic aery Thyrocervical trunk 2nd Pa: Costocervical aery 3rd Pa: Dorsal scapular aey

Category: Anatomy

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