Which term describes a nerve that carries information from the central nervous system to the muscles?

Which term describes a nerve that carries information from the central nervous system to the muscles?

• A. Motor nerve
• B. Sensory nerve
• C. Autonomic nerve
• D. Cranial nerve

Answer: (A)

Information traveling from the central nervous system to muscles is carried by motor nerves. These nerves are the efferent pathways that trigger muscle contractions in response to brain or spinal cord signals. Sensory nerves, on the other hand, carry information from the body toward the CNS, not from the CNS to muscles. Autonomic nerves regulate involuntary actions and primarily control smooth muscles and glands, which is a broader category than the direct motor control of skeletal muscles. Cranial nerves originate from the brain and can have motor, sensory, or mixed functions, but the term alone doesn’t specify sending commands to muscles.

Information traveling from the central nervous system to muscles is carried by motor nerves. These nerves are the efferent pathways that trigger muscle contractions in response to brain or spinal cord signals. Sensory nerves, on the other hand, carry information from the body toward the CNS, not from the CNS to muscles. Autonomic nerves regulate involuntary actions and primarily control smooth muscles and glands, which is a broader category than the direct motor control of skeletal muscles. Cranial nerves originate from the brain and can have motor, sensory, or mixed functions, but the term alone doesn’t specify sending commands to muscles.