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Questions and Answers
Which arch is located closer to the surface of the hand?
Which arch is located closer to the surface of the hand?
- Lateral palmar arch
- Superficial palmar arch (correct)
- Medial palmar arch
- Deep palmar arch
Which of the following is NOT a function of the palmar arches?
Which of the following is NOT a function of the palmar arches?
- Assist in temperature regulation (correct)
- Provide blood supply to the hand
- Assist in maintaining hand flexibility
- Facilitate venous return from the hand
Which artery is a major contributor to the superficial palmar arch?
Which artery is a major contributor to the superficial palmar arch?
- Radial artery
- Ulnar artery (correct)
- Axillary artery
- Brachial artery
Which anatomical structure lies deep to the palmar arches?
Which anatomical structure lies deep to the palmar arches?
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In which part of the hand do the palmar arches play a crucial role in maintaining grip strength?
In which part of the hand do the palmar arches play a crucial role in maintaining grip strength?
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Study Notes
Palmar Arches
- The superficial palmar arch is located closer to the surface of the hand.
Functions of Palmar Arches
- The palmar arches do NOT function to flex the wrist.
Anatomy of Palmar Arches
- The ulnar artery is a major contributor to the superficial palmar arch.
Relationship with Surrounding Structures
- The flexor digitorum profundus tendons lie deep to the palmar arches.
Importance in Grip Strength
- The palmar arches play a crucial role in maintaining grip strength in the thenar Eminence.
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