Lecture 7

Question 1

What are the spinal segments of the cervical plexus

Answer 1

C1-4

Question 2

What are the spinal segments of the brachial plexus

Answer 2

C5-T1

Question 3

What spinal nerves does the musculocutaneous nerve arise from

Answer 3

C5-7

Question 4

What spinal nerves does the median nerve arise from

Answer 4

C5-T1

Question 5

What spinal segments does the lumbosacral plexus arise from

Answer 5

L4-S4

Question 6

What are the nerves of the LSP

Answer 6

Femoral

Sciatic (common fib and tib)

Obturator

Question 7

Name the spinal segments contributing to the biceps brachii reflex

Answer 7

C5-6

Question 8

Name the spinal segments contributing to the triceps reflex

Answer 8

C6-8

Question 9

Name the spinal segments contributing to the brachioradialis reflex

Answer 9

C5-7

Question 10

Name the spinal segments contributing to the patellar reflex

Answer 10

L2-4

Question 11

Name the spinal segments contributing to the achilles reflex

Answer 11

S1-2

Question 12

An exaggerated jaw jerk reflex may point to disease of what tract ?

Answer 12

Pyramidal tract

Question 13

Absent corneal reflex can be due to:?

Answer 13

• Sensory loss in CNV
• weakness or paralysis of facial muscles
• Facial nerve palsy or brain stem disease

Question 14

What is calcanovalgus and what nerve damage is it associated with?

Answer 14

Dorsiflexion and eversion

Tibial nerve damage

Question 15

What is Equinovarus and what nerve damage is it associated with?

Answer 15

Drop foot and inversion

Common fibular nerve

Question 16

What nerve damage is associated with drop foot

Answer 16

Generally Sciatic

Question 17

List two injuries resulting from

Median nerve damage

Answer 17

• Median nerve palsy: can not oppose thumb

- carpal tunnel syndrome

Question 18

List 2 injuries resulting from ulnar nerve damage

Answer 18

• loss of wrist flexion

- claw hand

Question 19

Foot drop is a result of damage to what?

Answer 19

Common fibular nerve

Or

Sciatic nerve