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  • Question 1 - A 54 year old man fell off his bicycle. He felt a severe...

    Correct

    • A 54 year old man fell off his bicycle. He felt a severe pain in his hand and wasn't able to move it. It was found that a carpal bone in the distal row was fractured. Which is the most likely bone?

      Your Answer: Trapezium

      Explanation:

      There are eight carpal bones which are arranged in two rows, proximal and distal; scaphoid, lunate, triquetral and pisiform are of proximal row. Trapezium, trapezoid, capitate and hamate are of the distal row.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      23.6
      Seconds

  • Question 2 - A 40 year old man sustained a fracture to the surgical neck of...

    Incorrect

    • A 40 year old man sustained a fracture to the surgical neck of his left humerus. Which of the following arteries is suspected to be injured in this case?

      Your Answer: Subscapular

      Correct Answer: Posterior humeral circumflex

      Explanation:

      The posterior humeral circumflex artery arises from the axillary artery and runs with the axillary nerve through the quadrangular space which is bounded laterally by the surgical neck of the humerus. After winding around the surgical neck of the humerus, it is distributed to the deltoid muscle and the shoulder joint. Thus fractures in the surgical neck of the humerus could result in an injury to this artery.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      21
      Seconds

  • Question 3 - A ‘claw hand’ is usually associated with injury to which of the following...

    Incorrect

    • A ‘claw hand’ is usually associated with injury to which of the following nerves?

      Your Answer: Median nerve

      Correct Answer: Ulnar nerve

      Explanation:

      A ‘claw hand’ is associated with injury to the ulnar nerve at the wrist affecting the interossei, lumbricals and hypothenar muscles of the hand. It is characterized by hypothenar eminence wasting, hyperextended metacarpophalangeal joints and flexed interphalangeal joints.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      11.7
      Seconds

  • Question 4 - The superior ulnar collateral artery is a direct branch of this artery: ...

    Correct

    • The superior ulnar collateral artery is a direct branch of this artery:

      Your Answer: Brachial

      Explanation:

      The brachial artery gives rise to a small branch at the middle of the arm, which is the superior collateral artery. It descends accompanied by the ulnar nerve and anastomoses with the posterior ulnar recurrent and inferior ulnar collateral.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      12
      Seconds

  • Question 5 - The muscle which has an antagonistic action to the serratus anterior muscle and...

    Incorrect

    • The muscle which has an antagonistic action to the serratus anterior muscle and is one of the retractors of the scapula is the?

      Your Answer: Levator scapula

      Correct Answer: Rhomboid major

      Explanation:

      Protraction is accomplished by the actions of the serratus anterior, pectoralis major, and pectoralis minor muscles. Retraction is accomplished by the actions of the trapezius, rhomboids, and latissimus dorsi muscles.

      The rhomboid major arises from the second, third, fourth and fifth thoracic vertebrae. It is inserted into a narrow tendinous arch attached to the root of the spine of the scapula and the inferior angle. By its insertion in the inferior angle of the scapula, it acts on this angle and produces a slight rotation of the scapula on the side of the chest. It also retracts the scapula by working with the trapezius muscle.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      12.1
      Seconds

  • Question 6 - A space defined by the teres major muscle, the teres minor muscle, long...

    Correct

    • A space defined by the teres major muscle, the teres minor muscle, long head of the triceps brachii muscle and surgical neck of the humerus contains the axillary nerve and the?

      Your Answer: Posterior circumflex humeral artery

      Explanation:

      This quadrangular space transmits the posterior circumflex humeral vessels and the axillary nerve.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      51.3
      Seconds

  • Question 7 - The following joint has an anastomotic circulation that is provided by branches of...

    Correct

    • The following joint has an anastomotic circulation that is provided by branches of the brachial artery:

      Your Answer: Elbow joint

      Explanation:

      The arterial anastomoses of the elbow joint is contributed by branches of the brachial artery and the Profunda brachii artery. The brachial artery gives off the superior ulnar collateral artery and the inferior collateral artery. On the other hand, the Profunda brachii gives off the radial and medial recurrent arteries.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      11.5
      Seconds

  • Question 8 - A man in his sixties underwent surgery to remove a lump from his...

    Incorrect

    • A man in his sixties underwent surgery to remove a lump from his axilla. During removal, a nerve originating from the lateral cord of the brachial plexus was damaged. Which nerve is this referring to?

      Your Answer: Ulnar

      Correct Answer: Lateral pectoral

      Explanation:

      The only branch of the lateral cord of brachial plexus in the options given, is the lateral pectoral nerve. It supplies the pectoralis major muscle and sends a branch to join the medial pectoral nerve forming a loop in front of the first part of the axillary artery.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      28.2
      Seconds

  • Question 9 - An old man was diagnosed with squamous cell carcinoma with axillary lymph node...

    Correct

    • An old man was diagnosed with squamous cell carcinoma with axillary lymph node metastasis. The doctor said he will excise the tumour and remove all axillary lymph nodes lateral to the edge of the pectoralis minor muscle. One of the following axillary lymph nodes won't be removed by this procedure. Which is it?

      Your Answer: Apical

      Explanation:

      The apical lymph node group won’t be removed which include 20 to 30 lymph nodes.

      Axillary lymph nodes are grouped according to location. The lateral group, the anterior to pectoral group, the posterior or subscapular group, the central group, and the medial or apical group. The lateral, pectoral, and subscapular groups are found lateral to the pectoralis minor muscle. The central group is situated directly under that muscle. Thus, if all lymph nodes lateral to the medial edge of the pectoralis minor muscle are removed, all the above four groups will be removed. The apical group won’t be removed which is situated medial to the medial edge of the pectoralis minor muscle.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      20.4
      Seconds

  • Question 10 - The Carpal tunnel does NOT contain: ...

    Correct

    • The Carpal tunnel does NOT contain:

      Your Answer: Flexor carpi ulnaris

      Explanation:

      The contents of the carpal tunnel include:

      – Median nerve

      – Flexor digitorum supervicialis

      – Flexor digitorum profundus

      – Flexor policis longus

      – Flexor carpi radialis

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      28.7
      Seconds

SESSION STATS - PERFORMANCE PER SPECIALTY

Anatomy (6/10) 60%
Upper Limb (6/10) 60%
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