Lesson 4

Question 1

What are the layers on brain protection?

Answer 1

-skull
-dura matter
-Arachnoid membrane
-pia matter
-subchardinoid space

Question 2

What are the four lobes of the brain

Answer 2

1.Frontal (executive function)
2.Paietal (sensory integration)
3.Temporal (auditory, taste, smell, memory)
4.Occipital (visual)

The cortex is the thin outer layer

Question 3

4 different views of the brain

Answer 3

1. dorsal ( from above)
2. ventral (brain from below)
3. Lateral view (brain from the side)
4. medial view (brain from the side but cut in half)

Question 4

What are the three major arteries that feed the brain?

Answer 4

1. Anterior cerebral artery
2. Midlle cerebral artery
3. posterior cerebral artery

Question 5

What is a stroke?

Answer 5

sudden neurological symptoms following severely reduced blood flow

Question 6

Gray matter and white matter

Answer 6

Grey matter is mostly cell bodies and capillary blood vessels

white matter is nerve fibres covered by myelin sheath

Question 7

What are ventricles

Answer 7

They are cavities filled with cerebrospinal fluid, this fluid suspends the brain to reduce mass weight, it provides a stable enviorment for optimal functioning and it clears away waste from the brain

Question 7

What are ventricles

Answer 7

They are cavities filled with cerebrospinal fluid, this fluid suspends the brain to reduce mass weight, it provides a stable enviorment for optimal functioning and it clears away waste from the brain