The Central Nervous System Answers

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What is the main difference between the central nervous system (CNS) and the peripheral nervous system (PNS)?

A
The CNS involves the brain and spinal cord, and the PNS involves the body nerves.
B
The CNS involves the body nerves, and the PNS involves the brain and spinal cord.
C
The CNS involves sensory neurons, and the PNS involves motor neurons.
D
The CNS involves motor neurons, and the PNS involves sensory neurons.
3

Which is a function of the central nervous system?

A
pumping blood through the body
B
controlling coordination in the body
C
fighting bacteria that enter the body
D
breaking down carbohydrates in the body
4

The spinal cord is made up of

A
the pons and the medulla.
B
the brain and the brain stem.
C
white and gray matter.
D
gray matter only.
5

Why are functional MRIs useful to doctors?

A
They can ease pain in various areas of the body.
B
They can reduce tumors in patients' brain and spinal cord.
C
They show which parts of the brain are involved in specific activities.
D
They stimulate specific parts of the brain and look for a response.
6

Which structure is at work when the body deals with reflex actions?

A
meninges
B
brain stem
C
vertebral column
D
spinal cord

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