Vertebral artery arises from -
1st part of subclavian artery
2nd part of subclavian artery
3rd part of subclavian artery
4th part of subclavian artery
Ans. is 'a' i.e., 1st part of subclavian artery Branches of subclavian arteryo 1st Part - Vertebral artery, internal thoracic artery', thyrocervical trunk, and on left side costocervical trunk,o 2nd Part - On right side costocervical trunk,o 3rd Part - Dorsal scapular artery'.
Head & Neck