| Date | November 2021 | Marks available | 1 | Reference code | 21N.1.HL:.tz0.26 |
| Level | Higher Level | Paper | Paper 1 | Time zone | time zone 0 |
| Command term | Question number | 26 | Adapted from | N/A |
Question
What is the first artery that branches off the aorta on its way to the brain?
A. Right common carotid
B. Brachiocephalic
C. Left common carotid
D. Internal carotid
Markscheme
B
Examiners report
This is a hard question (3rd hardest) in that the detailed anatomy of the vascular system supplying the brain is complex and the distractors used all look plausible.
