Axilla MCQ 12+

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• Nerves arising from the root of brachial plexus are
  ক

  Long thoracic

  খ

  Dorsal scapular

  গ

  Nerve to subclavius

  ঘ

  Suprascapular

  ঙ

  Upper subscapular
• Regarding brachial plexus
  ক

  Roots C5 & C6 join together to form the upper trunk

  খ

  Radial nerve is the branch of posterior cord

  গ

  Saturday night palsy' occur due to injury of radial nerve

  ঘ

  Upper subscapular nerve is a branch of medial cord

  ঙ

  Musculocutaneous nerve is a branch posterior cord
• Nerves arising from the root of the brachial plexus
  ক

  Dorsal scapular nerve

  খ

  Long thoracic nerve

  গ

  Nerve to subclavius

  ঘ

  Suprascapular nerve

  ঙ

  Upper subscapular nerve
• The axilla contains
  ক

  The cord of brachial plexus

  খ

  The long thoracic nerve

  গ

  The superior thyroid artery

  ঘ

  The latissimus dorsi muscle in its medial wall

  ঙ

  The thoracodorsal nerve in its wall
• Contents of Axilla
  ক

  Latissimus dorsi muscle in its posterior wall

  খ

  Long thoracic nerve

  গ

  Superior thoracic artery

  ঘ

  Lower trunk of brachial plexus

  ঙ

  Intercostal artery
• Axilla contains
  ক

  Axillary vein and its tributaries

  খ

  Fibro-fatty tissues

  গ

  Intercostobrachial nerve

  ঘ

  Roots of the brachial plexus

  ঙ

  Trunks of the brachial plexus
• Following actions will be impaired in Erb's paralysis
  ক

  Flexion at the elbow joint

  খ

  Pronation at the elbow

  গ

  Internal rotation of the shoulder

  ঘ

  Adduction at the gleno-humeral joint

  ঙ

  Opposition of the thumb
• Erb's palsy is associated with
  ক

  Birth injury

  খ

  Forearm is extended and pronated

  গ

  Biceps and supinator jerks are lost.

  ঘ

  Loss of palmer sensation

  ঙ

  Paralysis of adductor muscle of shoulder joint
• Spinal nerve roots affected in Erbs palsy are
  ক

  C5

  খ

  C6

  গ

  C 7

  ঘ

  C 8

  ঙ

  T1
• In Erb's paralysis, there are
  ক

  Injury to C5-C6

  খ

  Arms medially rotated

  গ

  Paralysis of medial rotators of shoulder

  ঘ

  Elbow is supinated

  ঙ

  Loss of sensation on the medial site of the arm and forearm
• In Erb's paralysis
  ক

  Arms medially rotated

  খ

  Elbow is extended

  গ

  Injury of C7 to C8 nerves

  ঘ

  Loss of sensation of medial side of arm

  ঙ

  Pronated arm
• Brachial plexus
  ক

  Lies in the neck and in the axilla

  খ

  Originates from the roots which emerge in front of scalenus anterior

  গ

  Forms cord which are closely related to the axillary artery

  ঘ

  Gives branches to the extensor muscles of the upper limb via its lateral cord

  ঙ

  Supplies the latissimus dorsi muscle from its medial cord