L35. Nervous System CNS

Question 1

What are meninges?

Answer 1

3 layers which cover the brain and spinal cord.

Question 2

Name the meninges from brain to skull.

Answer 2

Brain
pia mater
arachnoid mater
dura mater
skull

Question 3

What does the spinal cord grey matter contain?

Answer 3

Neuron cell bodies and some axons.

Question 4

What does the spinal cord white matter contain?

Answer 4

nerve axons

Question 5

What does the spinal cord dorsal horn contain?

Answer 5

first order afferent neuron terminals

second order sensory neurons

Question 6

What does the spinal cord ventral horn contain?

Answer 6

motor neuron cell bodies

Question 7

What happens to the grey matter as you move down the spinal cord?

Answer 7

It gets larger

Question 8

Where is the grey matter in the brain and spinal cord?

Answer 8

Brain - grey = outside

Spine - grey = inside

Question 9

Name the 3 regions of the brain.

Answer 9

forebrain
midbrain
hindbrain

Question 10

Name and describe the components of the forebrain.

Answer 10

Cerebrum - sensory, motor and memory.

Diencephalon - Thalamus (sensory processing) and hypothalamus (homeostasis; thermoregulation)

Question 11

Name and describe the components of the midbrain.

Answer 11

Visual, auditory and pain control

Question 12

Name and describe the components of the hindbrain.

Answer 12

Pons
Medulla oblongata (breathing)
cerebellum (balance)

Question 13

Name the 4 brain lobes. Where are they?

Answer 13

Frontal (front)
Parietal (hair-covered skull)
Temporal (ears to nearly nape of neck)
Occipital (back of head)