Nerve and Nerve Root Review - Brachial Plexus

Description

Just a refresher on the Brachial Plexus
Ben Williams
Quiz by Ben Williams, updated more than 1 year ago
Ben Williams
Created by Ben Williams about 6 years ago
15
0

Resource summary

Question 1

Question
A lesion of C4 would affect which of the following nerves?
Answer
  • Phrenic n.
  • Levator Scapulae m.
  • Dorsal Scapular n.
  • Subclavius m.
  • Long Thoracic n.
  • Suprascapular n.

Question 2

Question
The Dorsal Scapular n. is made from which of the following nerve roots?
Answer
  • C3
  • C4
  • C5
  • C6
  • C7
  • C8

Question 3

Question
The Long Thoracic n. innervates which of the following structures?
Answer
  • Levator Scapulae m.
  • Serratus Anterior m.
  • Subclavius m.
  • Infraspinatus m.
  • Pectoralis m.

Question 4

Question
Which of the following nerve roots feed the Long Thoracic n.?
Answer
  • C3
  • C4
  • C5
  • C6
  • C7
  • C8

Question 5

Question
Which of the following nerve roots feed the Phrenic n.?
Answer
  • C3
  • C4
  • C5
  • C6
  • C7
  • C8

Question 6

Question
A lesion to the C5 nerve root affects which of the following muscles?
Answer
  • Rhomboids and Levator Scapulae
  • Coracobrachialis, brachialis, and Biceps Brachii
  • Serratus Anterior
  • Diaphragm
  • Subclavius
  • Supraspinatus, Infraspinatus, and the Deltoids
  • Both Pectoral Muscles
  • Subscapularis
  • Triceps Brachii
  • Latissimus Dorsi

Question 7

Question
A lesion to the C5 nerve root affects which of the following nerves?
Answer
  • Phrenic
  • Long Thoracic
  • Dorsal Scapular
  • Musculocutaneous
  • Suprascapular
  • Lateral Pectoral
  • Axillary
  • Radial
  • Median
  • Ulnar

Question 8

Question
Which of the following nerve roots feed the Subclavius m.?
Answer
  • C4
  • C5
  • C6
  • C7
  • C8

Question 9

Question
Which of the following nerve roots feed the Supraspinatus and Infraspinatus mm.?
Answer
  • C4
  • C5
  • C6
  • C7
  • C8

Question 10

Question
The Pectoral mm. are fed by which of the following nerve roots?
Answer
  • C4
  • C5
  • C6
  • C7
  • C8

Question 11

Question
The Musculocutaneous n. is fed by which of the following nerve roots?
Answer
  • C4
  • C5
  • C6
  • C7
  • C8

Question 12

Question
The Musculocutaneous n. innervates which of the following muscles?
Answer
  • Coracobrachialis
  • Brachialis
  • Biceps Brachii
  • Deltoids
  • Triceps Brachii
  • Pectoralis Major
  • Pectoralis Minor

Question 13

Question
The Median n. is fed by which of the following nerve roots?
Answer
  • C4
  • C5
  • C6
  • C7
  • C8
  • T1

Question 14

Question
The Median n. feeds which of the following muscle groups?
Answer
  • Elbow Flexors
  • Forearm Flexors
  • Thenar Eminence
  • Hypothenar Eminence
  • Lumbricals 1-2
  • Lumbricals 3-4
  • Shoulder Flexors
  • Shoulder Extensors
  • Elbow Extensors
  • Forearm Extensors

Question 15

Question
The Median n. carries sensory information from which of the following areas?
Answer
  • Skin of Lateral 2/3rds of Hand
  • Tips of Digits 1-4
  • Skin of Palm
  • Skin of Medial Side of Hand
  • Digits 3-5
  • Posterolateral Forearm
  • Posterior Arm
  • Anterolateral Forearm

Question 16

Question
The Ulnar n. carries sensory information from which of the following areas?
Answer
  • Skin of Lateral 2/3rds of Hand
  • Tips of Digits 1-4
  • Skin of Palm
  • Skin of Medial Side of Hand
  • Digits 3-5
  • Posterolateral Forearm
  • Posterior Arm
  • Anterolateral Forearm

Question 17

Question
The Radial n. carries sensory information from which of the following areas?
Answer
  • Skin of Lateral 2/3rds of Hand
  • Tips of Digits 1-4
  • Skin of Palm
  • Skin of Medial Side of Hand
  • Digits 3-5
  • Posterolateral Forearm
  • Posterior Arm
  • Anterolateral Forearm

Question 18

Question
The Musculocutaneous n. carries sensory information from which of the following areas?
Answer
  • Skin of Lateral 2/3rds of Hand
  • Tips of Digits 1-4
  • Skin of Palm
  • Skin of Medial Side of Hand
  • Digits 3-5
  • Posterolateral Forearm
  • Posterior Arm
  • Anterolateral Forearm

Question 19

Question
The Ulnar n. feeds which of the following muscle groups?
Answer
  • Hypothenar Eminence
  • Forearm Flexors
  • Adductor Pollicis m.
  • Lumbricals 3-4
  • Interossei
  • Anconeous
  • Thenar Eminence
  • Lumbricals 1-2

Question 20

Question
The Radial n. feeds which of the following muscle groups?
Answer
  • Elbow Extensors
  • Forearm Extensors
  • Brachioradialis m.
  • Anconeus m.
  • Coracobrachialis m.
  • Teres Minor m.
  • Thenar Eminence
  • Hypothenar Eminence

Question 21

Question
The Musculocutaneous n. feeds which of the following muscle groups?
Answer
  • Elbow Flexors
  • Forearm Flexors
  • Elbow Extensors
  • Forearm Extensors

Question 22

Question
Which of the following nerve roots feed the Ulnar n.?
Answer
  • C4
  • C5
  • C6
  • C7
  • C8
  • T1

Question 23

Question
Which of the following nerve roots feed the Radial n.?
Answer
  • C4
  • C5
  • C6
  • C7
  • C8
  • T1

Question 24

Question
Which of the following nerve roots feed the Axillary n.?
Answer
  • C4
  • C5
  • C6
  • C7
  • C8
  • T1
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