CENTRAL AND PERIPHERAL NERVOUS SYSTEM

Question 1

The nervous system is divided into two main parts:

Answer 1

CNS
PNS

Question 2

The central nervous system (CNS)

Answer 2

= brain and spinal cord

Question 3

The peripheral nervous system (PNS)

Answer 3

= cranial and spinal nerves and their associated ganglia

Question 4

Brain and spinal cord:
Protected by the

Answer 4

skull and vertebral column

Question 5

The brain and spinal cord are covered by a system of membranes…

Answer 5

the meninges

Question 6

The meninges of the brain and the spinal cord are

Answer 6

Continuous

Question 7

The brain and spinal cord are suspended in

Answer 7

Cerebrospinal fluid (CSF)

Question 8

CNS is composed of neurons

Answer 8

Structural and functional units Excitable cells
All have the same basic organization consisting of an axon, cell body and dendrites
Supported by neuroglia

Question 9

CNS internally organized into:

Answer 9

Dark and grey matter

Question 10

Question 11

Gray matter in the CNS

Answer 11

= darker in colour and contain nerve cell bodies

Question 12

White matter in the CNS

Answer 12

lighter in colour and contain nerve cell processes (i.e. predominantly axons)

Question 13

In PNS, cranial and spinal nerves conduct information _________________

Answer 13

to and from the CNS

Question 14

Autonomic Nervous System
Innervates the body’s ________________________

Answer 14

involuntary structures (i.e. heart, smooth muscle, and glands)

Question 15

Autonomic Nervous System is distributed throughout the CNS and PNS
And is divided into 2 parts _____

Answer 15

Sympathetic division
Parasympathetic division

Question 16

Question 17