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BIO 210 (Lab Practicum #3) Muscles of the Upper Limb (arm) Test

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5 Written Questions

5 Matching Questions

  1. Extensor Carpi Ulnaris
  2. Extensor Pollicis Longus
  3. Adductor Pollicis longus
  4. Flexor carpi ulnaris
  5. Brachialis
  1. a
    Flexes elbow
  2. b
    The chief action of abductor pollicis longus is to abduct the thumb at the carpometacarpal joint, thereby moving the thumb anteriorly.

    By its continued action it helps to abduct the wrist.
  3. c
    Flexes and adducts wrist
  4. d
    Extends Distal Phalanx of Thumb at Metacarpophalangeal and Interphalangeal Joints
  5. e
    Extends and Adducts Hand at Wrist Joint

5 Multiple Choice Questions


  1. a fibrous band forming the carpal canal through which pass the tendons of the flexor muscles of the hand and fingers.

  2. Adducts Thumb towards Middle Digit

  3. Extends fingers and the wrist

  4. Supinates Forearm (i.e., rotates radius to palm anteriorly)

  5. Extends forearm

5 True/False Questions

  1. Flexor Carpi Ulnaris
    Flexes wrist and abducts hand

          

  2. Biceps brachii
    Extends forearm

          

  3. Biceps brachii
    Extends forearm

          

  4. Extensor Pollicis Brevis
    Extends Proximal Phalanx of Thumb at Metacarpophalangeal Joint

          

  5. Extensor carpi radialis longus
    Extends wrist and abducts hand

          

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