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  • Question 1 - A drug abuser developed an infection which spread from the dorsum of the...

    Correct

    • A drug abuser developed an infection which spread from the dorsum of the hand to the medial side of the arm along the course of the large cutaneous vein. Which vein is involved?

      Your Answer: Basilic

      Explanation:

      The basilic vein is one of two veins found in the forearm, the other is the cephalic vein. These veins originate from the deep venous arch of the hand. The cephalic vein ascends along the lateral side of the forearm, and the basilic vein runs up the medial side of the forearm.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      735.8
      Seconds

  • Question 2 - What is the nerve supply of the muscle that is inserted onto the...

    Correct

    • What is the nerve supply of the muscle that is inserted onto the crest of the lesser tubercle of the humerus?

      Your Answer: Lower subscapular

      Explanation:

      The muscle is the subscapularis muscle which is supplied by the lower subscapular nerve.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      53.1
      Seconds

  • Question 3 - The rotator cuff surrounds the shoulder joint and consists of the supraspinatus, infraspinatus,...

    Correct

    • The rotator cuff surrounds the shoulder joint and consists of the supraspinatus, infraspinatus, subscapularis and which one other muscle?

      Your Answer: Teres minor

      Explanation:

      The correct answer is the teres minor muscle. These group of muscles play an important role in protecting the shoulder joint and keeping the head of the humerus in the glenoid fossa of the scapula. This fossa is somehow shallow and needs support to allow for the full mobility that the shoulder joint has.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      47.3
      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
      127.5
      Seconds

  • Question 5 - An X ray of a 60 year old male brought to the accident...

    Incorrect

    • An X ray of a 60 year old male brought to the accident and emergency following a fall down stairs shows a fractured olecranon process of the right ulna with the line of fracture passing through the superior surface, disrupting a muscle. Which among the following muscles was most likely injured?

      Your Answer:

      Correct Answer: Triceps brachii

      Explanation:

      The superior surface of the olecranon process forms an attachment for the insertion of the triceps brachii on the posterior aspect. It also has a minor transverse groove for the attachment of part of the posterior ligament of the elbow on the anterior aspect.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      0
      Seconds

  • Question 6 - Which muscle originates from the common flexor tendon of the forearm? ...

    Incorrect

    • Which muscle originates from the common flexor tendon of the forearm?

      Your Answer:

      Correct Answer: Flexor digitorum superficialis

      Explanation:

      The medial epicondyle of the humerus is the site of origin of this group of muscles of the forearm. It originates from the medial epicondyle of the humerus by a common tendon. Fibres from the deep fascia of the forearm, near the elbow and septa, pass from this fascia between the muscles. These muscles include the pronator teres, palmaris longus, flexor carpi radialis, flexor carpi ulnaris and flexor digitorum superficialis.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      0
      Seconds

  • Question 7 - The Carpal tunnel does NOT contain: ...

    Incorrect

    • The Carpal tunnel does NOT contain:

      Your Answer:

      Correct 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
      0
      Seconds

  • Question 8 - 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:

      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
      0
      Seconds

  • Question 9 - Two boys were playing when one of them brought the forearm of the...

    Incorrect

    • Two boys were playing when one of them brought the forearm of the other behind his back. This resulted in a stretching of the lateral rotator of the arm. Which of the following muscles was most likely to have been involved?

      Your Answer:

      Correct Answer: Infraspinatus

      Explanation:

      There are two lateral rotators of the arm, the infraspinatus and the teres minor muscles. The infraspinatus muscle receives nerve supply from C5 and C6 via the suprascapular nerve, whilst the teres minor is supplied by C5 via the axillary nerve.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      0
      Seconds

  • Question 10 - The following joint has an anastomotic circulation that is provided by branches of...

    Incorrect

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

      Your Answer:

      Correct 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
      0
      Seconds

  • Question 11 - Which best describes the suprascapular nerve? ...

    Incorrect

    • Which best describes the suprascapular nerve?

      Your Answer:

      Correct Answer: It contains nerve fibres from C5 and C6 spinal cord segments

      Explanation:

      The suprascapular nerve arises from the cervical spinal nerves 5 and 6 after coming together to form common trunk. This nerve supplies the supraspinatus and infraspinatus muscles giving off branches to the shoulder joint.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      0
      Seconds

  • Question 12 - A man had an injury to his right brachial plexus. After examination by...

    Incorrect

    • A man had an injury to his right brachial plexus. After examination by the doctor they found that the diaphragm and the scapula were unaffected however the patient could not abduct his arm. When helped with abducting his arm to 45 degrees he was able to continue the movement. This means that he was unable to initiate abduction. Where is the likely site of injury?

      Your Answer:

      Correct Answer: Suprascapular nerve

      Explanation:

      The loss of ability to initiate abduction means paralysis of the supraspinatus muscle. This muscle is supplied by the supraclavicular nerve.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      0
      Seconds

  • Question 13 - Which of these nerves controls adduction of hand? ...

    Incorrect

    • Which of these nerves controls adduction of hand?

      Your Answer:

      Correct Answer: Ulnar nerve

      Explanation:

      The adductors of the fingers are the palmer interossei. They are supplied by the ulnar nerve, which is a branch of the medical cord of the brachial plexus.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      0
      Seconds

  • Question 14 - Which Statement is true of the brachial plexus? ...

    Incorrect

    • Which Statement is true of the brachial plexus?

      Your Answer:

      Correct Answer: The posterior cord continues as the axillary nerve

      Explanation:

      The lateral cord continues as the musculocutaeous nerve.

      The medial cord continues as the ulnar nerve.

      The posterior cord continues as the radial nerve and the axillary nerve.

      The nerve to subclavius muscle is a branch of the C6 root.

      The suprascapular nerve is a branch from the upper trunk.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      0
      Seconds

  • Question 15 - The muscle that depresses the glenoid fossa directly is the: ...

    Incorrect

    • The muscle that depresses the glenoid fossa directly is the:

      Your Answer:

      Correct Answer: Pectoralis minor

      Explanation:

      Situated at the upper part of the thorax beneath the pectoralis major, is a thin pectoralis minor, triangular muscle. It originates from the third, fourth and fifth ribs, near the cartilage and from the aponeurosis which covers the intercostals. These fibres move upwards and laterally to join and form a flat tendon. This is inserted into the medial border and upper surface of the coracoid process of the scapula. Through this medial anterior thoracic nerve, fibres from the pectoralis minor are received from the eighth cervical and first thoracic nerves. This pectoralis minor pushes down on the point of the shoulder (glenoid fossa), drawing the scapula downward and medially towards the thorax which throws the inferior angle backwards.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      0
      Seconds

  • Question 16 - During a street fight a boy sustained a laceration below the elbow. It...

    Incorrect

    • During a street fight a boy sustained a laceration below the elbow. It was a deep cut that led to profuse bleeding from an artery situated on the supinator muscle immediately below the elbow. The vessel most likely to have been injured is?

      Your Answer:

      Correct Answer: Radial recurrent artery

      Explanation:

      The radial recurrent artery is situated on the supinator muscle then passing between the brachialis and the brachioradialis muscles. It originates from the radial artery and ends by anastomosing with the terminal part of the Profunda brachii.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      0
      Seconds

  • Question 17 - Following a lacerating injury along the anterior border of the trapezius muscle in...

    Incorrect

    • Following a lacerating injury along the anterior border of the trapezius muscle in the neck, a man has the point of his shoulder (scapula) sagging and he has difficulty with full abduction of his arm. Which nerve is most likely injured?

      Your Answer:

      Correct Answer: Accessory (cranial nerve XI)

      Explanation:

      Injury to the accessory nerve denervates the trapezius muscle so that the person will no longer be able to raise the acromion of the shoulder. The dorsal scapular nerve supplies the rhomboids i.e. major and minor and the levator scapulae so that injury to this nerve weakens retraction of the scapula. The greater occipital nerve is responsible for sensation of the posterior scalp. The axillary nerve innervates the deltoid muscle which is responsible for abduction of the arm and the suprascapular nerve is responsible for rotating the humerus laterally. Cutaneous nerves supply the skin.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      0
      Seconds

  • Question 18 - 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:

      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
      0
      Seconds

  • Question 19 - A space defined by the teres major muscle, the teres minor muscle, long...

    Incorrect

    • 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:

      Correct 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
      0
      Seconds

  • Question 20 - A swimmer was struggling to finish his training following an injury to his...

    Incorrect

    • A swimmer was struggling to finish his training following an injury to his right arm. On further examination it was found that any movements involving adduction, medial rotation and extension of her arm were particularly weak. Which nerve in this case was damaged?

      Your Answer:

      Correct Answer: Thoracodorsal

      Explanation:

      Weakness on these particular movements indicate that there is a problem with the latissimus dorsi muscle. This muscle is very important particularly in swimming movements and is supplied by the thoracodorsal nerve.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      0
      Seconds

  • Question 21 - A young girl injured her arm following a fall down the steps On...

    Incorrect

    • A young girl injured her arm following a fall down the steps On examination, it was found that her left proximal radioulnar joint had dislocated and the annular ligament was stretched. This will make which movement extremely painful?

      Your Answer:

      Correct Answer: Supination

      Explanation:

      Supination is the rotation of the forearm so that the palm of the hand faces anteriorly. This is performed by the biceps brachii and supinator of the extensor muscles of the thumb. The opposite action of moving the palm from an anterior-facing position to a posterior-facing position is called pronation. Pronation is performed by the pronator teres and pronator quadratus.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      0
      Seconds

  • Question 22 - A 50 year old male point was diagnosed with tennis elbow that became...

    Incorrect

    • A 50 year old male point was diagnosed with tennis elbow that became worse after he started playing basket ball over the last three months. He was admitted to the orthopaedic ward to have elbow braces fitted. What type of synovial joint is the elbow joint?

      Your Answer:

      Correct Answer: Hinge

      Explanation:

      The elbow joint is one of the many synovial joints in the body. This joint is an example of the hinge joint as the humerus is received into the semilunar notch of the ulna and the capitulum of the humerus articulates with the fovea on the head of the radius, together acting as a hinge in one plane.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      0
      Seconds

  • Question 23 - Injury to the supraspinatus muscle will affect: ...

    Incorrect

    • Injury to the supraspinatus muscle will affect:

      Your Answer:

      Correct Answer: Initiation of abduction of the humerus

      Explanation:

      This muscle arises from the medial two-thirds of the supraspinatus fossa and from the supraspinatus fascia. It is inserted into the highest impression on the greater tubercle of the humerus after passing over the upper part of the shoulder joint. It works with the deltoid to raise the arm from the side of the trunk and initiate abduction. It also assists in fixation of the head of the humerus in the glenoid cavity.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      0
      Seconds

  • Question 24 - Which muscle would be affected most following injury to the transverse cervical artery?...

    Incorrect

    • Which muscle would be affected most following injury to the transverse cervical artery?

      Your Answer:

      Correct Answer: Trapezius

      Explanation:

      The latissimus dorsi receives blood from the thoracodorsal artery, the supraspinatus receives its blood from the suprascapular artery, the levator scapulae and the rhomboids are supplied by the dorsal scapular artery and the transverse cervical artery supplies blood to the trapezius.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      0
      Seconds

  • Question 25 - An old man fell and fractured a carpal bone articulating with the pisiform...

    Incorrect

    • An old man fell and fractured a carpal bone articulating with the pisiform bone. Which bone was most likely fractured?

      Your Answer:

      Correct Answer: Triquetral

      Explanation:

      The pisiform bone has an oval facet for articulation with the triquetral bone. The pisiform bone is a sesamoid bone, and is anterior to the other carpal bones.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      0
      Seconds

  • Question 26 - An old man was diagnosed with squamous cell carcinoma with axillary lymph node...

    Incorrect

    • 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:

      Correct 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
      0
      Seconds

  • Question 27 - Where would you insert the needle when drawing blood from a patient's median...

    Incorrect

    • Where would you insert the needle when drawing blood from a patient's median cubital vein?

      Your Answer:

      Correct Answer: Anterior aspect of the elbow

      Explanation:

      The correct answer is to insert it into the anterior aspect of the elbow. If you look at the venous drainage of the upper limb, you will find that there are two main veins, the basilic and the cephalic vein; the connecting branch between these two veins is the median cubital vein. and this vein passes via the cubital fossa which is on the anterior aspect of the forearm.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      0
      Seconds

  • Question 28 - Regarding abduction of the digits of the hand, which of the following is...

    Incorrect

    • Regarding abduction of the digits of the hand, which of the following is correct?

      Your Answer:

      Correct Answer: All of the adductors of the digits take at least part of their attachments from metacarpal bones

      Explanation:

      Lying on the palmer surfaces of the metacarpal bones are four palmar interossei which are smaller than the dorsal interossei. Arising from the entire length of the metacarpal bone of one finger, is a palmar interosseous, which is inserted into the side of the base of the first phalanx and the aponeurotic expansion of the extensor digitorum communis tendon to the same finger. All the interossei are innervated by the eighth cervical nerve, through the deep palmar branch of the ulnar nerve. The palmar interossei adducts the fingers to an imaginary line drawn longitudinally through the centre of the middle finger.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      0
      Seconds

  • Question 29 - A man had noticed weakness in his left arm causing flexion of the...

    Incorrect

    • A man had noticed weakness in his left arm causing flexion of the elbow and supination of the forearm. Which nerve in this case was injured?

      Your Answer:

      Correct Answer: Musculocutaneous

      Explanation:

      The musculocutaneous nerve supplies the biceps brachii and the brachialis muscles. The first one flexes the elbow and the shoulder. It is also involved in supination. The brachialis muscle flexes the forearm. The injury to the musculocutaneous nerve results in paralysis of these muscles.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      0
      Seconds

  • Question 30 - An old man presented with atrophy of the thenar eminence despite the sensation...

    Incorrect

    • An old man presented with atrophy of the thenar eminence despite the sensation over it still being intact. What is the injured nerve in this case?

      Your Answer:

      Correct Answer: Median nerve

      Explanation:

      Atrophy of the thenar muscles means injury to the motor supply of these muscles. The nerve that sends innervation to it is the median nerve. But the median nerve does not provide sensory innervation to the overlying skin so sensation is spared.

    • This question is part of the following fields:

      • Anatomy
      • Upper Limb
      0
      Seconds

SESSION STATS - PERFORMANCE PER SPECIALTY

Anatomy (4/4) 100%
Upper Limb (4/4) 100%
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