QuestionSBA
QuestionChoice
Correct. The internal carotid artery arises at the bifurcation of the common carotid artery at C3/4 and ascends up the neck. It can be easily differentiated from the external carotid artery, as it gives no branches in the neck. It enters the cranium via the carotid foramen of the temporal bone.
10009095
a
Internal carotid artery
QuestionChoice
Incorrect. The common carotid artery ascends within the carotid sheath on scalenus anterior. It bifurcates into the internal and external carotid arteries at C3/4, corresponding to the location of the carotid sinus.
10009097
c
Common carotid artery
QuestionChoice
Incorrect. The external carotid artery arises at the bifurcation of the common carotid artery at C3/4 and ascends towards the neck of the mandible, passing through the parotid gland. It gives several branches in the neck, and terminates as the maxillary and superficial temporal arteries.
10009096
b
External carotid artery
QuestionChoice
Incorrect. The external jugular vein is formed from the union of the posterior division of the retromandibular vein and posterior auricular vein. It descends posteroinferorly within the superficial fascia overlying sternocleidomastoid.
10009099
e
External jugular vein
QuestionChoice
Incorrect. The internal jugular vein is formed from the union of the inferior petrosal sinus and sigmoid sinus, leaving the cranium via the jugular foramen. It descends down the neck within the carotid sheath.
10009098
d
Internal jugular vein
Concept
Chapter
2693
5307
The internal carotid artery
Topic
201
Head and neck anatomy
14366
Picture
1726
21 - The internal carotid artery.png
images/f039xyqs1682950608169.jpg
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images/f039xyqs1682950608169_512.jpg
6SgKDQL7mVp2uIioaGemmQj7Z7BM
Topic
201
Head and neck anatomy
Identify the labelled structure.

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a