Intro

Question 1

What are the 2 major divisions of the nervous system?

Answer 1

Central nervous system and Peripheral nervous system

Question 2

What is the CNS comprised of?

Answer 2

Brain
Spinal cord

Question 3

What are the 2 subsections of PNS?

Answer 3

Somatic nervous system
Autonomic nervous system

Question 4

Describe the somatic NS

Answer 4

Receives sensory info from around the body
Contains a motor part which is voluntary (motor neurons that innervate muscles)

Question 5

Describe the autonomic NS

Answer 5

Under involuntary control
Works through effectors in smooth muscle, gland and cardiac muscle

Question 6

Where is anterior axis?

Answer 6

Brain side

Question 7

Where is posterior axis?

Answer 7

Back side

Question 8

Where is the dorsal axis?

Answer 8

The back

Question 9

Where is the ventral axis?

Answer 9

The belly

Question 10

Where is the medial axis?

Answer 10

Close to the midline

Question 11

Where is the lateral axis?

Answer 11

Close to the outer body

Question 12

Where is the superior axis?

Answer 12

Above

Question 13

Where is the inferior axis?

Answer 13

Below

Question 14

Where does the sagittal plane cut across?

Answer 14

Across the midline

Question 15

Where does the parasagittal plane cut?

Answer 15

Parallel to the midline

Question 16

Where does the coronal plane cut?

Answer 16

Cuts into anterior and posterior

Question 17

Where does the horizontal plane cut?

Answer 17

Separates superior and inferior

Question 18

Where does the longitudinal plane cut?

Answer 18

Along the length

Question 19

Where does the transverse plane cut?

Answer 19

Across the spinal cord (horizontal)

Question 20

What is in the forebrain?

Answer 20

Cerebral hemispheres
Thalamus and hypothalamus

Question 21

What is in the hindbrain?

Answer 21

Pons
Cerebellum
Medulla

Question 22

What does the midbrain control?

Answer 22

Basic motor control
Processes pain

Question 23

What is the ventricular system?

Answer 23

A space within the brain full of cerebrospinal fluid that provides protection
Maintains ion levels
Removes waste products

Question 24

Where is the ventricular system?

Answer 24

Lateral ventricles meet at 3rd ventricle and a tube goes into 4th ventricle

Question 25

What are the 4 subdivisions of the spinal cord? Starting at the top

Answer 25

Cervical
Thoracic
Lumbar
Sacral

Question 26

What are the 2 enlargements in the spinal cord?

Answer 26

Cervical enlargement
Lumbosacral enlargement

Question 27

What is the role of cervical enlargement?

Answer 27

Accommodates neurons needed to move arms

Question 28

What is the role of the lumbosacral enlargement?

Answer 28

Accommodates neurons needed to move legs

Question 29

What neurons are found in the sacral region?

Answer 29

Neurons required for bladder control

Question 30

What neurons are found in thoracic region?

Answer 30

Autonomic neurons

Question 31

Where is grey matter found?

Answer 31

The outside of the brain

Question 32

What does grey matter contain?

Answer 32

Cell bodies of neurons and glia

Question 33

Where is white matter found?

Answer 33

Inside the brain

Question 34

What does white matter contain?

Answer 34

Neuronal axons wrapped in myelin

Question 35

What are the dorsal spinal cord functions?

Answer 35

Sensory info into the spinal cord (Afferent)

Question 36

What are the ventral spinal cord functions?

Answer 36

Sensory info out of spinal cord (Efferent)