Mod 7: neurons brain

Question 1

Neuroglia and scwann cells

Answer 1

support the cns
astrocytes
oligodendroglia
microglia
ependymal 
schwann

Question 2

astrocytes

Answer 2

fill spaces btween neurons
part of BBB
rapid nutrient transport
role in scar formation and seizures

Question 3

Oligodendroglia

Answer 3

form myelin sheath (white matter)

Question 4

microglia

Answer 4

tissue macrophages specific to CNS

Question 5

ependymal cells

Answer 5

line brain and choroid plexus, involved w CSF production

Question 6

schwann cells

Answer 6

PNS myelin sheath formation/metabolic support

Question 7

Acetylcholine neurotransmitter

Answer 7

excitatory, inhibitory to cardiac muscles

deactivated by acetlycholinesterase

Question 8

Monoamines

Answer 8

histamines, serotonin, dompamine, epi/norepi

in brain-learning, emotions, motor control

Question 9

Amino Acids
glutamate
gamma
glycine

Answer 9

glutamate-excitatory, (ALS drugs block)
Gamma aminobutyric Acid GABA- inhibitory @ post synapse (seizure drugs^gaba)
glycine-inhibitory

Question 10

Frontal lobe

Answer 10

voluntary skeletal muscles contralaterally 
talking,writing, emotions, intellect, judgement
Brocas area (speech)

Question 11

Parietal lobe

Answer 11

tactile sensation (temp/pain, 2point discr.)

Question 12

occipital

Answer 12

visual receptor, reading w comprehension

Question 13

temporal

Answer 13

ear impulses (wernickes)

Question 14

Basal ganglia stuctures (7)

Answer 14

amygdala, caudate, nucleus accumbens, subthalamic nucleus, substantia niagra, global pallidus, putamen

Question 15

basal ganglia structures work with cerebellum to

inhibitory effects on

Answer 15

modify voluntary movements, role in cognition/emotion

thalamus

Question 16

Limbic system (between cerebrum/diencephalon)

Answer 16

long term memory, primitive/visceral responses, motivation, feeding, bio rhythms, smell

Question 17

meninges
pia mater contains___
subarachnoid space is above, houses__ carries__

Answer 17

arterial supply

houses arteries carries, CSF

Question 18

meninges
arachnoid space
subdural space

Answer 18

middle, avascular

venous circulation

Question 19

meninges

dura mater

Answer 19

outermost, contains venous system

Question 20

meninges

epidural space

Answer 20

between dura mater and skull, some intracranial arteries

Question 21

Diencephalon contains thalamus:_____ and hypothalamus: _____

Answer 21

thalamus-screens/directs impulses to/from cerebral cortex

hypothalamus- regulates water balance, apetite, vitals, sleep, links CNS+endocrine system

Question 22

Brainstem

midbrain

Answer 22

relay center for eye/ear reflexes between cerebrum and brainstem/cord

Question 23

Brainstem

pons

Answer 23

links cerebellum to cerebrum, midbrain to medulla

relfex actions, balance,posture

Question 24

Brainstem

medulla

Answer 24

resp function, HR,BP, swallow, cough, vomit reflex

Question 25

Brainstem

reticular formation

Answer 25

brainstem to cerebral cortex connective tissue
maintains wakefulness (reticular activating system)

Question 26

Cerebellum (behind brain stem)

Answer 26

coordination, smooth movement, equilibrium, muscle tone

Question 27

CSF made by separation of fluid from blood in

___secretes csf

Answer 27

choroid plexus -capillary network from pia-> ventricles ependymal secretes Csf