Chapter 12: Spinal Cord and Spinal Nerves questions
with verified answers
A dermatome is the area of skin supplied with sensory innervation by
Ans✓✓✓a pair of spinal nerves
An area of the skin supplied with sensory innervation is called a(n)
Ans✓✓✓dermatome
An intermingling of nerves is called a(n) Ans✓✓✓plexus
Axillary nerve Ans✓✓✓- Deltoid, teres minor and skin of the shoulder
- Inferior lateral shoulder
- Part of the shoulder
Dorsal (posterior) roots consist of only ______ fibers (axons)
Ans✓✓✓sensory
Endoneurium Ans✓✓✓Delicate layer of connective tissue surrounding
a single axon and its Schwann cell sheath
Epineurium Ans✓✓✓A layer of dense connective tissue surrounding a
nerve
Explain how spinal nerves are named Ans✓✓✓Spinal nerves are named
for the region of the vertebral column from which they emerge
, Identify characteristics of stretch reflexes Ans✓✓✓- Does not involve
an interneuron
- Helps to control posture
- Promotes muscle contraction
- Monosynaptic
Identify the five major nerves of the brachial plexus Ans✓✓✓-
Musculocutaneous nerve
- Median nerve
- Ulnar nerve
- Axillary nerve
- Radial nerve
Identify the function of Golgi tendon organs Ans✓✓✓Detect intense
stretching of tendons
Identify the layers of meninges and the related spaces from most
superficial to deepest. Ans✓✓✓1. Epidural space
2. Dura mater
3. Subdural space
4. Arachnoid mater
5. Subarachnoid space
6. Pia mater
with verified answers
A dermatome is the area of skin supplied with sensory innervation by
Ans✓✓✓a pair of spinal nerves
An area of the skin supplied with sensory innervation is called a(n)
Ans✓✓✓dermatome
An intermingling of nerves is called a(n) Ans✓✓✓plexus
Axillary nerve Ans✓✓✓- Deltoid, teres minor and skin of the shoulder
- Inferior lateral shoulder
- Part of the shoulder
Dorsal (posterior) roots consist of only ______ fibers (axons)
Ans✓✓✓sensory
Endoneurium Ans✓✓✓Delicate layer of connective tissue surrounding
a single axon and its Schwann cell sheath
Epineurium Ans✓✓✓A layer of dense connective tissue surrounding a
nerve
Explain how spinal nerves are named Ans✓✓✓Spinal nerves are named
for the region of the vertebral column from which they emerge
, Identify characteristics of stretch reflexes Ans✓✓✓- Does not involve
an interneuron
- Helps to control posture
- Promotes muscle contraction
- Monosynaptic
Identify the five major nerves of the brachial plexus Ans✓✓✓-
Musculocutaneous nerve
- Median nerve
- Ulnar nerve
- Axillary nerve
- Radial nerve
Identify the function of Golgi tendon organs Ans✓✓✓Detect intense
stretching of tendons
Identify the layers of meninges and the related spaces from most
superficial to deepest. Ans✓✓✓1. Epidural space
2. Dura mater
3. Subdural space
4. Arachnoid mater
5. Subarachnoid space
6. Pia mater
