Falling on an Outstretched Hand
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Questions and Answers

Which bone is the most frequently fractured carpal bone in the upper limb?

  • Radius
  • Humerus
  • Clavicle
  • Scaphoid (correct)
  • What is the mechanism of fracture in Colles' fracture?

  • The force drives the distal fragment posteriorly and superiorly. (correct)
  • The force drives the proximal fragment posteriorly and superiorly.
  • The force drives the distal fragment anteriorly and inferiorly.
  • The force drives the proximal fragment anteriorly and inferiorly.
  • Which structures are commonly injured in Colles' fracture?

  • Long flexor tendons and long extensor tendons (correct)
  • Flexor retinaculum and long extensor tendons
  • Long flexor tendons
  • Long extensor tendons
  • Which nerve is commonly injured in a fracture of the medial epicondyle of the humerus?

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

    What is the most commonly fractured bone in the body?

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

    Which nerve is commonly injured in a fracture of the surgical neck of the humerus?

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

    Which muscle is responsible for tilting the medial fragment of a fractured clavicle upward?

    <p>Sternocleidomastoid muscle</p> Signup and view all the answers

    Which of the following is a symptom of radial nerve injury?

    <p>Loss of the opposition of the thumb</p> Signup and view all the answers

    What is the most likely diagnosis for a 2-year-old boy who refuses to move his right arm after being lifted up by the arms?

    <p>Supracondylar fracture of the humerus</p> Signup and view all the answers

    What is the most common cause of injury to the radial nerve?

    <p>Injury to the spiral groove</p> Signup and view all the answers

    What is the deformity associated with radial nerve injury?

    <p>Wrist drop</p> Signup and view all the answers

    Which nerve is commonly injured in a fracture of the distal end of the humerus?

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

    Which artery is commonly injured in a fracture of the supracondylar region of the humerus?

    <p>Inferior ulnar collateral artery</p> Signup and view all the answers

    Which nerve is commonly injured in a fracture of the surgical neck of the humerus?

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

    What is the most commonly fractured bone in the body?

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

    Which of the following is a common injury associated with a fall on an outstretched hand with extended wrist?

    <p>Fracture of the distal end of the humerus</p> Signup and view all the answers

    Which structure is commonly injured in a fracture of the scaphoid bone?

    <p>Flexor retinaculum</p> Signup and view all the answers

    What deformity is associated with a Colles' fracture?

    <p>Dinnerfork deformity</p> Signup and view all the answers

    Which of the following is a symptom of radial nerve injury?

    <p>Weakness of the flexion of the fingers</p> Signup and view all the answers

    What is the deformity associated with radial nerve injury?

    <p>Wrist drop</p> Signup and view all the answers

    What is the most likely diagnosis for a 2-year-old boy who refuses to move his right arm after being lifted up by the arms?

    <p>Supracondylar fracture of the humerus</p> Signup and view all the answers

    Which nerve is commonly injured in a fracture mid-shaft of the humerus?

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

    Which bone is commonly fractured in a fall on an outstretched hand with extended wrist?

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

    Which structure is commonly injured in a fracture of the distal end of the radius?

    <p>Long flexor tendons</p> Signup and view all the answers

    Which joint is commonly dislocated in a fall on an outstretched hand with extended wrist?

    <p>Elbow joint</p> Signup and view all the answers

    Which of the following is a common cause of injury to the radial nerve?

    <p>Intramuscular injection in the triceps brachii</p> Signup and view all the answers

    What is the most likely diagnosis for a 2-year-old boy who refuses to move his right arm after being lifted up by the arms?

    <p>Supracondylar fracture of the humerus</p> Signup and view all the answers

    Which of the following is a symptom of radial nerve injury?

    <p>Weakness of flexion of the wrist</p> Signup and view all the answers

    What deformity is associated with radial nerve injury?

    <p>Wrist drop</p> Signup and view all the answers

    Which nerve is commonly injured in a fracture of the supracondylar region of the humerus?

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

    What is the most common cause of injury to the median nerve at the elbow?

    <p>Pronator teres syndrome</p> Signup and view all the answers

    Which artery is commonly injured in a fracture of the distal end of the humerus?

    <p>Inferior ulnar collateral artery</p> Signup and view all the answers

    Which muscle is responsible for tilting the medial fragment of a fractured clavicle upward?

    <p>Sternocleidomastoid muscle</p> Signup and view all the answers

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