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Ch. 21 Blood Vessels and Circulation
Martini - Fundamentals of Anatomy & Physiology 11th Edition
Martini, Nath, Bartholomew11th EditionFundamentals of Anatomy & PhysiologyISBN: 9780136874089당신이 사용하는 게 아니라요?교과서 변경
21장, 문제 12

The two arteries formed by the division of the brachiocephalic trunk are the:
(a) Aorta and internal carotid
(b) Axillary and brachial
(c) External and internal carotid
(d) Common carotid and subclavian

검증된 단계별 안내
1
Understand the anatomy of the brachiocephalic trunk: it is a major artery branching off the aortic arch on the right side of the body.
Recall that the brachiocephalic trunk divides into two main arteries that supply blood to the right side of the head, neck, and upper limb.
Identify the two arteries formed by this division: one artery supplies the head and neck, and the other supplies the upper limb.
Recognize that the artery supplying the head and neck is the common carotid artery, which later divides into the internal and external carotid arteries.
Recognize that the artery supplying the upper limb is the subclavian artery; therefore, the two arteries formed by the brachiocephalic trunk are the common carotid and subclavian arteries.

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주요 개념

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Brachiocephalic Trunk Anatomy

The brachiocephalic trunk is a major artery branching from the aortic arch. It is unique because it divides into two main arteries that supply blood to the right side of the head, neck, and upper limb. Understanding its anatomy is essential to identify its branches correctly.
추천 영상:
02:52
The Front of the Trunk

Branches of the Brachiocephalic Trunk

The brachiocephalic trunk divides into the right common carotid artery and the right subclavian artery. The common carotid artery supplies the head and neck, while the subclavian artery supplies the upper limb. Recognizing these branches helps distinguish them from other arteries.
추천 영상:
02:52
The Front of the Trunk

Distinction Between Carotid Arteries

The common carotid artery further divides into the internal and external carotid arteries, which supply different regions of the head. However, these are not direct branches of the brachiocephalic trunk but of the common carotid artery. This distinction is important to avoid confusion in artery identification.
추천 영상:
가이드 코스
14:43
Subcategories of Arteries