Spinal Cord & Spinal Nerves questions with
verified answers
A spinal nerve connects to the spinal cord with how many roots?
Ans✓✓✓2 roots:
1. the dorsal root, carrying sensory information
2. the ventral root, relaying motor information
Each spinal nerve consists of what 2 types of neurons? Ans✓✓✓1.
afferent or sensory neurons
2. efferent or motor neurons
How long is the spinal cord? Ans✓✓✓The length of the spinal cord is
about 18 inches.
How many spinal nerves emerge from the spinal cord? Ans✓✓✓31
pairs; each emerges at a level of each vertebrae
Spinal cord & spinal nerves: which belongs to the CNS (central nervous
system) or PNS (peripheral nervous system?) Ans✓✓✓Spinal cord is
part of the CNS along with the brain
Spinal nerves are part of the PNS along with the cranial nerves
The gray matter of the spinal cord is divided into horns. What does the
dorsal horns connect to? Ans✓✓✓the dorsal root of the spinal nerve at
that level; this is where sensory information reaches the spinal cord
verified answers
A spinal nerve connects to the spinal cord with how many roots?
Ans✓✓✓2 roots:
1. the dorsal root, carrying sensory information
2. the ventral root, relaying motor information
Each spinal nerve consists of what 2 types of neurons? Ans✓✓✓1.
afferent or sensory neurons
2. efferent or motor neurons
How long is the spinal cord? Ans✓✓✓The length of the spinal cord is
about 18 inches.
How many spinal nerves emerge from the spinal cord? Ans✓✓✓31
pairs; each emerges at a level of each vertebrae
Spinal cord & spinal nerves: which belongs to the CNS (central nervous
system) or PNS (peripheral nervous system?) Ans✓✓✓Spinal cord is
part of the CNS along with the brain
Spinal nerves are part of the PNS along with the cranial nerves
The gray matter of the spinal cord is divided into horns. What does the
dorsal horns connect to? Ans✓✓✓the dorsal root of the spinal nerve at
that level; this is where sensory information reaches the spinal cord
