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The forearm and hand would continue to receive oxygenated blood if the complete blockage occured at which of the following sites? (A) a (B) b (C) c (D) d

The forearm and hand would continue to receive oxygenated blood if the complete blockage occured at which of the following sites? (A) a (B) b (C) c (D) d

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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The forearm and hand would continue to receive oxygenated blood if the complete blockage occured at which of the following sites?

(A) a
(B) b
(C) c
(D) d
The image is a detailed anatomical diagram of the arterial system around the shoulder and upper limb. It illustrates the following arteries with labeled markers: - **A: Axillary Artery** This central artery is crucial for supplying blood to the upper limb. It is a continuation of the subclavian artery and eventually becomes the brachial artery. - **B: Lateral Thoracic Artery** Branches off from the axillary artery, supplying blood to the lateral aspects of the chest and breast. - **C: Thoracoacromial Artery** A short trunk branching from the axillary artery, further dividing to supply the shoulder and upper pectoral region. - **D: Subclavian Artery** This artery supplies blood to the arms, with branches extending to the neck and head. It's the precursor to the axillary artery. Additional arteries and features are labeled, including: - **Brachial Artery**: Extends down the arm from the axillary artery. - **Posterior and Anterior Humeral Circumflex Arteries**: Supply the shoulder joint and surrounding muscles. - **Subscapular Artery**: Supplies the subscapularis muscle and the surrounding area. - **Circumflex Scapular and Thoracodorsal Arteries**: Branch from the subscapular artery. - **Deep Brachial Artery**: A key artery that supplies the triceps muscle. - **Supreme Thoracic Artery**: Provides blood supply to the superior part of the thoracic wall. This diagram is instrumental for understanding the vascular network crucial to the physiology of the upper limb and shoulder region.
Transcribed Image Text:The image is a detailed anatomical diagram of the arterial system around the shoulder and upper limb. It illustrates the following arteries with labeled markers: - **A: Axillary Artery** This central artery is crucial for supplying blood to the upper limb. It is a continuation of the subclavian artery and eventually becomes the brachial artery. - **B: Lateral Thoracic Artery** Branches off from the axillary artery, supplying blood to the lateral aspects of the chest and breast. - **C: Thoracoacromial Artery** A short trunk branching from the axillary artery, further dividing to supply the shoulder and upper pectoral region. - **D: Subclavian Artery** This artery supplies blood to the arms, with branches extending to the neck and head. It's the precursor to the axillary artery. Additional arteries and features are labeled, including: - **Brachial Artery**: Extends down the arm from the axillary artery. - **Posterior and Anterior Humeral Circumflex Arteries**: Supply the shoulder joint and surrounding muscles. - **Subscapular Artery**: Supplies the subscapularis muscle and the surrounding area. - **Circumflex Scapular and Thoracodorsal Arteries**: Branch from the subscapular artery. - **Deep Brachial Artery**: A key artery that supplies the triceps muscle. - **Supreme Thoracic Artery**: Provides blood supply to the superior part of the thoracic wall. This diagram is instrumental for understanding the vascular network crucial to the physiology of the upper limb and shoulder region.
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