Final Exam Review-Q1 Brachial Plexus/UE

Question 1

What would be the result of a gunshot wound to the Median Nerve?

Answer 1

Ape Hand

Question 2

Which nerve damage would not let you pass the paper test?

Answer 2

Ulnar Nerve Damage

Question 3

What muscle is damaged if a girl falls off a horse and cannot ADDuct her arm?

Answer 3

Latissimus Dorsi

Question 4

Which nerve runs trough the medial epicondyle or the funny bone?

Answer 4

Ulnar Nerve

Question 5

What is the most apparent sign of your secretary’s hand if she has carpal tunnel?

Answer 5

A FLATTENED THENAR EMINENCE

Question 6

What muscle is NOT affected in rotator cuff damage? SITS or Teres Major?

Answer 6

Teres Major

Question 7

Which two nerves are damaged when a boy falls out of a tree and breaks his humerus?

Answer 7

Radial and Axillary

Question 8

When the anatomical snuff box is injured, which structure is MOST susceptible?

Answer 8

The Radial Artery

Question 9

What is the insertion of the Pec Minor that if broken would cause disfunction of the Pec Minor?

Answer 9

Coracoid Process

Question 10

A winged scapula is a direct result of what nerve damage? What part of the Brachial Plexus does this come from?

Answer 10

The Long Thoracic, the ROOTS of the Brachial Plexus

Question 11

What muscle is affected in a winged scapula?

Answer 11

The Serratus Anteror

Question 12

What is the result of Radial Nerve damage due to a motorcycle accident?

Answer 12

Wrist Drop/Inability to use your extensors

Question 13

Damage to the lateral and medial cords would cause all muscles except:

Answer 13

Extensor Carpi’s (Every other option is a flexor)

Question 14

What would be the result of a lesion in the upper trunk of the Brachial Plexus (Erb’s Palsy)?

Answer 14

Arm is rotated in a medial direction

Question 15

What nerves are damaged when a Pt cannot Abduct their arm?

Answer 15

SupraScapular Nerve & Dorsal Scapular Nerve

Question 16

Which muscle is affected if there is damage to the Lateral Cord of the brachial plexus when an olympian falls off the bars?

Answer 16

Pec Major

Question 17

What two nerves allow supination?

Answer 17

Radial Nerve & Musculocutaneous Nerve

Question 18

What are the two structures superficial to the retinactulum of the wrist? DONT get this wrong again :)

Answer 18

Ulnar Nerve & Ulnar Artery

Question 19

Which two nerves are responsible for supination?

Answer 19

The Radial and Musculocutaneous Nerves

Question 20

Which nerve is responsible for protonation?

Answer 20

The Median Nerve