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KN 230/232 (FALL '24) > Lab Quiz 5 > Flashcards

Lab Quiz 5 Flashcards

1
Q

What is the branch that if damaged would result in the inability to extend the arm and the forearm?

A

Radial Nerves

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2
Q

What is the muscle that is responsible for flexing the forearm and wrist and inserts into the aponeurosis of the palm?

A

Palmaris Longus (median nerve)

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3
Q

What is the distal muscle that is respobsible for pronating the forearm?

A

Pronator Quadratus (median nerves)

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4
Q

What is the forearm flexor that is innervated by the radial nerve?

A

Brachioradialis (radial nerve)

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5
Q

What is the branch that pierces the Coraobrachialis muscle?

A

Musculocutaneous nerve

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6
Q

What is the muscle that if damaged would result in an inability to extend the 2nd, 3rd, 4th, and 5th digits?

A

Extensor digitorum (radial nerve)

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7
Q

Which branch that if damaged would result in wasting of the medial side of the hand?

A

Ulnar nerves (hypothenar eminence)

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8
Q

What is the only forearm flexor that is not innervated by the median nerve?

A

Flexor carpi ulnaris (ulnar nerve)

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9
Q

What is the branch that if damaged would result in the inability to pronate the forearm?

A

Median nerve

(pronator teres and pronator quadratus)

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10
Q

What is the structure that is used as the reference for naming the cords?

A

Axillary Artery

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11
Q

What branch that receives nerve fibers from both the lateral and medial cords?

A

Median nerve

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12
Q

Your patient has weakened shoulder abduction and forearm extension, What cord is most likely damaged?

A

Posterior Cord (Axillary and Radial nerve)

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13
Q

What is the group of muscles that is responsible for thumb opposition?

A

Thenar eminence (median nerve) and Adductor Pollicis (median nerve)

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14
Q

What is the muscle that extends the 2nd digit?

A

Extensor indicis (radial nerve)

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15
Q

What is the muscle responsible for supinating the forearm and is innervated by the radial nerve?

A

Supinator

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16
Q

What is the muscle that extends and radially deviates that wrist?

A

Extensor carpi radialis longus or brevis

17
Q

What is the muscle if damaged will result in an inability to flex the 2nd, 3rd, 4th, 5th DIP joints?

A

Flexor digitorum profundus (median and ulnar nerve)

F

18
Q

What is the cord that if damaged would affect the ulnar nerve?

A

Medial cord

19
Q

What are the 5 branches?

A
  1. Musculocutaneous
  2. Axillary
  3. Median
  4. Radial
  5. Ulnar
20
Q

What are the name of the 3 cords?

A
  1. Lateral
  2. Posterior
  3. Medial
21
Q

What are the names of the 3 trunks?

A
  1. Superior
  2. Middle
  3. Inferior
22
Q

What are the roots connected to the superior trunks?

A
  1. C5
  2. C6
23
Q

What are is the root connected to the middle trunks?

A

C7

24
Q

What are the roots connected to the inferior trunks?

A
  1. C8
  2. T1
25
Q

Which of the cords are anterior to the posterior cord?

A

Superior, middle, and inferior are anterior to the posterior cords.

26
Q

Which trunks are posterior to the lateral cords?

A

Superior and middle trunks are posterior to the lateral cords.

27
Q

Which trunk is posterior to the medial cord?

A

Inferior trunks are posterior to the medial cords.

28
Q

How are the upper limb muscles and nerves broken up?

A
  1. Branches
  2. Cords
  3. DIvisions
  4. Trunks
  5. Roots
29
Q

What muscles are connected to the musculocutaneous branches?

A
  • Biceps branchi muscle
  • Coracobrachialis muscle
  • Brachialis muscle
30
Q

What are the muscles connected to the median branches?

A

Most forearm flexors and pronators except the 1 1/2 muscle. Innervated by the ulnar nerve

31
Q

What are the muscles connected to the radial branches?

A

Posterior extensor muscles of the arm and extensors of the forearm.

32
Q

What muscles are connected to the ulnar branches?

A

Most hand muscles, Flexor carpi ulnaris muscles, 1/2 of flexor digitorum profundous muscle.

33
Q

What muscles and nerves contain lateral cords?

A

Lateral pectoral nerves (pectoralis major muscle and pectroalis minor muscle)

34
Q

What nerves and muscles are in posterior cords?

A

Lower scapular nerves, Teres mejor upper and lower scapular nerves, subscapularis muscle (thoracodorsal nerves - latissimus dorsi muscle)

35
Q

What are the nerves and muscles connected to the medial cords?

A

Medial pectoral nerve and pectoralis minor muscle

36
Q

What are the nerves and muscles of superior trunks?

A

Suprascapular nerves (supraspinatus muscle and infraspinatus muscle)

37
Q

What nerves and muscles are located on root C5?

A

Dorsal scapular nerves
Rhomboids and leveator scapula muscle

38
Q

What nerves and muscles are located on the root C7?

A

Long thoracic nerve and serratus anterior muscle.

KN 230/232 (FALL '24) (5 decks)

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