Forearm, Hand, Wrist Anatomy

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Forearm, Hand, Wrist Anatomy - Quiz

Questions and Answers
  • 1. 
    MCL consists of:
    • A. 

      Anterior ligament, posterior ligament, oblique ligament.

    • B. 

      Anterior bundle, transverse ligament, posterior bundle.

    • C. 

      Transverse ligament, medial bundle, annular ligament (lateral portion).

  • 2. 
    The radius articulates with the Trochlea of the Humerus.
    • A. 

      True

    • B. 

      False

  • 3. 
    The radius is a major forearm bone contributing to the wrist joint. When the radius moves, the wrist moves with it.
    • A. 

      True

    • B. 

      False

  • 4. 
    Statement: The annular ligament of radius is attached to the anterior and posterior margins of the notch.The ligament is more “cup-shaped” than “ring-shaped”, therefore the head of the radius cannot slip upwards.
    • A. 

      True

    • B. 

      False

  • 5. 
    Which bundle tightens in extension? (MCL-complex)
    • A. 

      Anterior

    • B. 

      Posterior

    • C. 

      Transverse

  • 6. 
    The radial head is considered a second stabilizer in the elbow with an intact MCL complex.
    • A. 

      True

    • B. 

      False

  • 7. 
    In extension: resistance to valgus stress is shared equally by MCL, capsule and joint articulation
    • A. 

      True

    • B. 

      False

  • 8. 
    For resisting varus stress in extension, the main stabilizer is the LCL.
    • A. 

      True

    • B. 

      False

  • 9. 
    Proximal radio-ulnar joint is a;
    • A. 

      Hinge joint

    • B. 

      Pivot joint

    • C. 

      Condyloid joint

  • 10. 
    The Metacarpolphalangeal joints are what type of joints:
    • A. 

      Saddle joints

    • B. 

      Hinge joints

    • C. 

      Condyloid

    • D. 

      Elipsoid

  • 11. 
    A triangular articular disc is attached to the styloid process of the radius (with its apex), and to the ulna (with its base). 
    • A. 

      True

    • B. 

      False

  • 12. 
    In supination, the ulna and radius are:
    • A. 

      Parallel

    • B. 

      Crossed

    • C. 

      In 50 degrees supination, 50 degrees pronation

  • 13. 
    When the bones of the forearm are crossed, it means that the arm is pronated.
    • A. 

      True

    • B. 

      False

  • 14. 
    Most activities are accomplished within the functional range of 50 degrees pronation, and 50 degrees of supination.
    • A. 

      True

    • B. 

      False

  • 15. 
    Clinically patients can tolerate up to 40 degrees of flexion contractures. More than this, significantly increases complaints.
    • A. 

      True

    • B. 

      False

  • 16. 
    ROM of pronation / supination is  = 
    • A. 

      140 - 150 degrees in total.

    • B. 

      155 - 165 degrees in total.

    • C. 

      170 – 185 degrees in total.

  • 17. 
    The pronator quadratus is the strongest pronator.
    • A. 

      True

    • B. 

      False

  • 18. 
    The supinators are stronger than the pronators.
    • A. 

      True

    • B. 

      False

  • 19. 
    The wrist joint is an example of:
    • A. 

      Hinge joint

    • B. 

      Ball and socket joint

    • C. 

      Ellipsoid joint

    • D. 

      Saddle joint

  • 20. 
    The joint between the distal radius and ulna and the proximal row of carpal bones include:
    • A. 

      Scaphoid, triquetrum, hamate.

    • B. 

      Scaphoid, lunate, triquetrum.

    • C. 

      Lunate, scaphoid, trapezoid.

  • 21. 
    The proximal row of carpal bones are:
    • A. 

      Convex.

    • B. 

      Concave.

    • C. 

      Thanks.

    • D. 

      Option 4

  • 22. 
    In the anatomical position the scaphoid is opposite the lateral area of the radius, and the lunate opposite the medial area + disc. 
    • A. 

      True

    • B. 

      False

  • 23. 
    The radial collateral ligament extends from the radial styloid process to the;
    • A. 

      Lunate.

    • B. 

      Trapezoid.

    • C. 

      Scaphoid.

  • 24. 
    Which ligament extends from the ulnar styloid process to the triquetrum and pisiform.
    • A. 

      The ulnar collateral ligament.

    • B. 

      The radial collateral ligament.

    • C. 

      Radiocarpal ligament.

  • 25. 
    The most important DORSAL reinforcing ligaments of wrist and carpus are:
    • The palmar radio-carpal ligament.
    • The palmar ulno-carpal ligament.
    • A. 

      True

    • B. 

      False

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