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arteries and nerve of hand
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arteries and nerve of hand

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Questions and Answers

Which artery forms the superficial palmar arch?

  • Radial artery
  • Common palmar digital artery
  • Deep palmar arch artery
  • Ulnar artery (correct)

    • Which artery completes the superficial palmar arch on the other side?

  • Radialis indicis artery
  • Proper palmar digital artery
  • Deep palmar branch of ulnar artery
  • Superficial palmar branch of radial artery (correct)

    • Where does the radial artery leave the dorsum of the hand?

  • Between the first and second metacarpal bones (correct)
  • Above the flexor retinaculum
  • Between the second and third metacarpal bones
  • Beneath the flexor retinaculum

    • What does the radial artery form when it enters the palm?

    <p>Deep palmar arch</p> Signup and view all the answers

    Which nerve passes behind the flexor retinaculum and through the carpal tunnel?

    <p>Median nerve</p> Signup and view all the answers

    Which nerve supplies muscles of thenar eminence and 1st and 2nd lumbricals?

    <p>Muscular (recurrent) branch of median nerve</p> Signup and view all the answers

    The ulnar nerve divides into which two branches as it crosses the flexor retinaculum?

    <p>Superficial and deep branches</p> Signup and view all the answers

    Which aspect of the fingers is supplied by the cutaneous branches of the median nerve?

    <p>Palmar aspect of the lateral three and a half fingers</p> Signup and view all the answers

    What muscles does the deep branch of the ulnar nerve give off muscular branches to?

    <p>Muscles of the hypothenar eminence, palmar interossei, lumbrical muscles, and adductor pollicis muscle</p> Signup and view all the answers

    How many proper palmar digital nerves does the ulnar nerve give off?

    <p>One</p> Signup and view all the answers

    Where does the ulnar nerve enter the palm?

    <p>Anterior to the flexor retinaculum</p> Signup and view all the answers

    Which side of the hand does the proper palmar digital nerve from the ulnar nerve supply?

    <p>Medial side of the little finger</p> Signup and view all the answers

    Which fingers are supplied by the cutaneous branches of median nerve?

    <p>Lateral three and a half fingers</p> Signup and view all the answers

    Which nerve supplies the third and fourth lumbrical muscles?

    <p>Ulnar nerve</p> Signup and view all the answers

    What part of the hand does the radial side of the index finger receive its cutaneous supply from?

    <p>Median nerve</p> Signup and view all the answers

    Which artery completes the deep palmar arch?

    <p>Deep palmar branch of ulnar artery</p> Signup and view all the answers

    Where does the median nerve enter the palm?

    <p>Through the carpal tunnel</p> Signup and view all the answers

    How many proper palmar digital arteries does the ulnar artery give off?

    <p>One</p> Signup and view all the answers

    Which nerve supplies muscles of thenar eminence and 1st and 2nd lumbricals?

    <p>Median nerve</p> Signup and view all the answers

    Which aspect of the fingers is supplied by the cutaneous branches of the median nerve?

    <p>Palmar aspect of the lateral three and a half fingers</p> Signup and view all the answers

    Which artery forms the deep palmar arch?

    <p>Radial artery</p> Signup and view all the answers

    How many common palmar digital arteries does the ulnar artery give off?

    <p>Three</p> Signup and view all the answers

    True or false: The ulnar nerve gives off three proper palmar digital nerves, each supplying one to each side of the thumb and the radial side of the index finger.

    <p>False</p> Signup and view all the answers

    True or false: The ulnar nerve enters the palm anterior to the flexor retinaculum.

    <p>True</p> Signup and view all the answers

    True or false: The superficial branch of the ulnar nerve gives off one common palmar digital nerve and one proper palmar digital nerve to the medial side of the little finger.

    <p>True</p> Signup and view all the answers

    True or false: The cutaneous branches of ulnar nerve supply the palmar aspect of the medial one and a half fingers and distal half of the dorsal aspect of each finger.

    <p>True</p> Signup and view all the answers

    True or false: The deep branch of the ulnar nerve gives off muscular branches to the three muscles of the hypothenar eminence, all the palmar and dorsal interossei, the third and fourth lumbrical muscles, and the adductor pollicis muscle.

    <p>True</p> Signup and view all the answers

    True or false: The median nerve passes behind the flexor retinaculum and through the carpal tunnel.

    <p>False</p> Signup and view all the answers

    True or false: The median nerve supplies the palmar aspect of the lateral three and a half fingers and the distal half of the dorsal aspect of each finger.

    <p>True</p> Signup and view all the answers

    True or false: The ulnar artery forms the deep palmar arch, which is completed on the other side by the deep palmar branch of the radial artery.

    <p>True</p> Signup and view all the answers

    True or false: The median nerve supplies the muscles of the thenar eminence and the first and second lumbricals.

    <p>True</p> Signup and view all the answers

    True or false: The median nerve does not have any common palmar digital nerves.

    <p>False</p> Signup and view all the answers

    True or false: The superficial palmar arch is completed on the other side by the superficial palmar branch of the radial artery.

    <p>True</p> Signup and view all the answers

    The ______ artery leaves the dorsum of the hand by turning between the first and second metacarpal bones

    <p>radial</p> Signup and view all the answers

    The deep branch of the ______ nerve gives off muscular branches to the three muscles of the hypothenar eminence, all the palmar and dorsal interossei, the third and fourth lumbrical muscles, and the adductor pollicis muscle.

    <p>ulnar</p> Signup and view all the answers

    Which nerve supplies muscles of thenar eminence and 1st and 2nd lumbricals?

    <p>median</p> Signup and view all the answers

    Match the following nerve branches with their supplied muscles:

    <p>Median nerve muscular branch = Supplies muscles of thenar eminence &amp; first lumbrical muscle Ulnar nerve deep branch = Supplies muscles of thenar eminence &amp; first lumbrical muscle</p> Signup and view all the answers

    Match the following arteries with their respective branches in the hand:

    <p>Ulnar artery = Has three common palmar digital arteries Radial artery = Forms three palmar metacarpal arteries that anastomose with common palmar digital arteries</p> Signup and view all the answers

    Study Notes

    • Ulnar artery enters hand above the flexor retinaculum
    • Forms superficial palmar arch with radial artery's branch
    • Branches: 1 proper palmar digital artery to little finger, 3 common palmar digital arteries
    • Radial artery leaves dorsum of hand, forms deep palmar arch with ulnar artery's branch
    • Branches: Princeps pollicis artery, Radialis indicis artery
    • Deep palmar arch has 3 palmar metacarpal arteries anastomosing with superficial palmar arch's branches
    • Median nerve enters palm behind flexor retinaculum and carpal tunnel
    • Branches in palm: Muscular (recurrent) branch, 3 proper palmar digital nerves, 2 common palmar digital nerves
    • Muscular (recurrent) branch: most lateral, supplies thenar eminence & 1st and 2nd lumbricals
    • Proper palmar digital nerves: 1 to each side of thumb, radial side of index finger
    • Cutaneous branches of median nerve supply lateral 3.5 fingers' palmar aspect and distal half of fingers' dorsal aspect
    • Ulnar nerve enters palm anterior to flexor retinaculum, divides into superficial and deep branches
    • Superficial branch: gives off 1 common palmar digital nerve, 1 proper palmar digital nerve to little finger
    • Cutaneous branches of ulnar nerve supply medial 1.5 finger's palmar aspect and distal half of fingers' dorsal aspect
    • Deep branch of ulnar nerve: gives off muscular branches to hypothenar eminence muscles, palmar and dorsal interossei, third and fourth lumbricals, and adductor pollicis muscle.

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    MSK 10 Arteries and nerves of hand-1.pdf

    Description

    Test your knowledge of hand arteries anatomy with this quiz. Learn about the ulnar and radial arteries and their branches and functions.

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