L7 nervous system 2

Question 1

Skull

Answer 1

provide the brain protection from external trauma

Question 2

Meninges

Answer 2

connective tissue covering the brain and houses CSF

Question 3

Cerebral Spinal Fluid (CSF)

Answer 3

cushions brain and carries nutrients and chemical signals,
produced by ependymal cell

Question 4

Blood Brain Barrier

Answer 4

regulates which bloodborne substance can enter brain (nicotine, alcohol)
formed by astrocytes

Question 5

3 meningeal layers

Answer 5

Dura mater
Arachnoid mater
Pia Mater

Question 6

Dura mater

Answer 6

tough outermost layer of fibrous connective tissue

Question 7

Arachnoid mater

Answer 7

middle web-like layer, holds csf in subarachnoid space

Question 8

Pia mater

Answer 8

thin innermost layer that clings to brain and spinal cord

Question 9

Ventricles

Answer 9

houses and circulate csf, connects central canal of spinal cord

Question 10

4 main regions of the brain

Answer 10

Cerebrum
Diencephalon
Brain stem
Cerebellum

Question 11

Cerebrum

Answer 11

right and left hemisphere,
right-side sensation processed in left hemisphere, vice versa

Question 12

lateralization

Answer 12

Process that occur in only one side
Ex: speech is a lateralized function

Question 13

Cerebral cortex

Answer 13

site of reasoning and judgement (outer most part of the brain)

Question 14

5 lobes of cerebrum

Answer 14

Frontal, parietal, occipital, temporal, insular

Question 15

Cerebral cortex is divided into 3 functional areas

Answer 15

Motor, sensory, and association areas

Question 16

Premotor cortex

Answer 16

anterior to primary cortex, controls skilled learned movement ex: throwing ball

Question 17

Broca’s Area

Answer 17

controls movement of tongue ex: speech

Question 18

Frontal Eye Field

Answer 18

controls voluntary eye moevment

Question 19

Primary Somatosensory Cortex

Answer 19

located in postcentral gyrus (parietal lobe), receives somatic sensory ex: touch

Question 20

Somatosensory Association area

Answer 20

makes sense of primary somatosensory cortex

Question 21

Primary Visual Cortex

Answer 21

located in occipital lobe, receives visual info

Question 22

Visual association area

Answer 22

makes sense of what you see

Question 23

auditory association area

Answer 23

integrates input from primary

Question 23

Primary auditory cortex

Answer 23

located in temporal lobe, receives auditory input from auditory nerve

Question 24

Primary Olfactory Cortex

Answer 24

located in temporal lobe, process smell

Question 25

Primary Gustatory Cortex

Answer 25

located in insular lobe, process taste

Question 26

Vestibular Cortex

Answer 26

located in insular lobe, process balance and equilibrium

Question 27

Prefrontal Cortex

Answer 27

Thinking abilities, still developing in adolescents, dependent on social interaction

Question 28

Wernicke’s Area

Answer 28

language comprehension, usually left side of the brain

Question 29

Gnostic Area (common integrative area)

Answer 29

your sense of awareness from variety of association area

Question 30

Limbic association Area

Answer 30

Emotional impact that forms memories

Question 31

Reticular Formation

Answer 31

Contains reticular activating system, stay alert, regulates dreams

Question 32

Primary motor cortex

Answer 32

located in post central gyrus (frontal lobe)
controls skilled and precise movements