Central Nervous System Overview

Question 1

Function

Answer 1

Processing Center
Interpret and respond to sensory messages

Question 2

Structures

Answer 2

Brain, Spinal Cord

Question 3

Spinal Cord

Answer 3

Passes down the vertebral canal, has 31 segments (each with a pair of spinal nerves)
Nerves are numbered based on their location

Question 4

Cervical Enlargement

Answer 4

supplies nerves to upper limbs

Question 5

Lumbar Enlargement

Answer 5

supplies nerves to the lower limbs

Question 6

Ascending

Answer 6

Impulses travel to the brain

Question 7

Descending

Answer 7

impulses travel to the muscles

Question 8

Meninges

Answer 8

membranes located between bone and soft tissues of the nervous system

Question 9

Dura Mater

Answer 9

outermost layer, blood vessels

Question 10

Arachnoid mater

Answer 10

no blood vessels, in between layer (resembles a spiderweb)

Question 11

Pia Mater

Answer 11

Inner membrane, contains nerves and blood vessels to nourish cells

Question 12

Cerebrospinal fluid

Answer 12

liquid that bathes the brain and spinal cord, cushions the brain and serves as a shock absorber