Identify the following blood vessels by matching them to the letter on the image.
- Axillary artery dropdown
- Left Subclavian artery dropdown
- Ulnar artery dropdown
- Superficial palmar arch dropdown
The Correct Answer is {"dropdown-group-1":"C","dropdown-group-2":"E","dropdown-group-3":"F","dropdown-group-4":"H"}
Axillary Artery: C
Left Subclavian Artery: K
Ulnar Artery: F
Superficial Palmar Arch: H
A. Axillary artery: The axillary artery, presented by letter C is the continuation of the subclavian artery. It courses through the axilla and becomes the brachial artery at the inferior border of the teres major muscle. It gives off key branches including the thoracoacromial, lateral thoracic, subscapular, and anterior and posterior circumflex humeral arteries. It supplies the shoulder joint, lateral thoracic wall, and upper limb.
B. Left Subclavian artery: The left subclavian artery presented as K arises from the arch of the aorta, posterior to the left common carotid artery. It travels laterally toward the upper limb, arching over the apex of the lung and passing between the anterior and middle scalene muscles. It supplies blood to the brain (via the vertebral artery), thoracic wall, and left upper extremity.
C. Ulnar artery: The ulnar artery as F is one of the two terminal branches of the brachial artery, arising in the cubital fossa opposite the neck of the radius. It travels along the medial (ulnar) side of the forearm. It primarily forms the superficial palmar arch and supplies the medial forearm, hand muscles, and digits, particularly the medial three and a half fingers.
D. Superficial palmar arch: The superficial palmar arch as H, is an arterial arcade in the palm primarily formed by the ulnar artery, with contribution from the superficial branch of the radial artery. From this arch arise the common palmar digital arteries, which divide into proper digital arteries supplying the fingers, ensuring collateral circulation within the hand.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","C"]
Explanation
A. Pulmonary, renal: The renal circulation is a specialized part of the systemic circulation that supplies the kidneys. While important, it does not represent one of the two main circulatory circuits of the body.
B. Systemic, hepatic: The hepatic portal system is a portion of the systemic circulation responsible for transporting nutrient-rich blood from the gastrointestinal tract to the liver. It is not considered one of the two primary circulatory circuits.
C. Pulmonary, lymphatic: The lymphatic system is a separate network that returns interstitial fluid to the bloodstream and supports immune function. It is not part of the main arterial and venous blood transport circuits.
D. Systemic, pulmonary: The two main circuits of blood flow are the systemic circuit, which carries oxygenated blood from the heart to the body and returns deoxygenated blood to the heart, and the pulmonary circuit, which carries deoxygenated blood from the heart to the lungs for oxygenation and returns oxygenated blood to the heart.
Correct Answer is A
Explanation
Correct answer: True
The cells of larger blood vessels, particularly those in the tunica media and tunica externa, are too far from the lumen for nutrients and oxygen in the rapidly flowing blood to diffuse effectively. To compensate, these cells are nourished by a network of tiny blood vessels called the vasa vasorum, which penetrate the outer layers of large arteries and veins. Without the vasa vasorum, the thick walls of large vessels would not receive sufficient oxygen and nutrients to maintain their structural integrity, highlighting the importance of this microvascular network.
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