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Questions and Answers
Which of the following is true about the palmar arch?
Which of the following is true about the palmar arch?
- It is formed mainly by the ulnar artery through anastomosis of superficial palmar branches of radial and ulnar arteries
- It is formed mainly by the radial artery through anastomosis of deep palmar branches of radial and ulnar arteries (correct)
- It is formed by the superficial palmar branches of the radial and ulnar arteries
- It is formed by the median artery through anastomosis of deep palmar branches of radial and ulnar arteries
What do the metacarpal arteries supply?
What do the metacarpal arteries supply?
- They join the common palmar digital branch of the deep palmar arch and supply the lateral 3 ½ fingers
- They join the common palmar digital branch of the superficial palmar arch and supply the medial 3 ½ fingers (correct)
- They join the dorsal metacarpal arteries and supply the medial 3 ½ fingers
- They join the dorsal metacarpal arteries and supply the lateral 3 ½ fingers
Where do the perforating branches of the palmar arch join?
Where do the perforating branches of the palmar arch join?
- They join the common palmar digital branch of the superficial palmar arch
- They join the dorsal metacarpal arteries (correct)
- They join the deep palmar arch
- They join the superficial palmar arch
