Question

which of the following statements regarding the nervous system is not true?
a all portions of the nervous system are composed of nervoustissue.
b motor nerves carry commands to muscles and glands.
c cranial and spinal nerves are part of the central nervous system.
d sensory nerves carry information to the central nervous system.

Explanation:

• The nervous system is made up of nervous tissue, so option A is true.
• Motor nerves (efferent nerves) carry commands from the central nervous system to muscles and glands, so option B is true.
• The central nervous system consists of the brain and spinal cord. Cranial and spinal nerves are part of the peripheral nervous system, so option C is false.
• Sensory nerves (afferent nerves) carry information from sensory receptors to the central nervous system, so option D is true.

Answer:

C. Cranial and spinal nerves are part of the central nervous system.