NS: Intro to neuroscience

Question 1

Which of the followinig is NOT part of the ventricle system in the CNS
a) Dura matter
b) Choroid plexus
c) Cerebral aqueduct
d) Lateral ventricle

Answer 1

A) dura matter

Question 2

What is the function of the brainstem? what comprises the brainstem?

Answer 2

function: things that arent consciously controlled
* Equilibrium
* Cardiovascular activity
* Respiration
* Eye movements

Structure: midbrain, pons, medulla

Question 3

What is the function of the cerebellum?

Answer 3

coordination & motor learning

connected to brainstem by peduncles

Question 4

What is the structure of the diencephalon? provide some examples of the function.

Cerebrum

Answer 4

Structure:
- Thalamus
- Hypothalamus
* Epithalamus
* Subthalamus (lateral to section)

Example functions:
* Consciousness
* Arousal
* Homeostatis
* Endocrine function

Question 5

What is the function of the meninges?

Answer 5

Function:
* Protection: shock absorber, anchor
* Support system for: blood vessels, nerves and cerebrospinal fluid

Question 6

Put the meninges in order:
Skull
1. arachnoid
2. pia
3. dura
4. subarachnoid space

Brain

Answer 6

Skull, 3, 1, 4, 2

Question 7

Name the functions of the Cerebrospinal fluid (CSF) system

Answer 7

• protection
• Nourishment
• Waste removal

Question 8

Where does cerebrospinal fluid come from?

Answer 8

choroid plexus - secretory tissue found inside each ventricle

Question 9

Put in order the flow of CSF rostral to caudal:
1. lateral ventricle
2. fourth ventricle
3. choroid plexus
4. Interventricular foramen
5. Third ventricle
6. Cerebral aqueduct
7. Subarachnoid space

Answer 9

3. choroid plexus
4. lateral ventricle
5. Interventricular foramen
6. Third ventricle
7. Cerebral aqueduct
8. fourth ventricle
9. Subarachnoid space

diagram in slide