Action pathway- blood brain barrier Flashcards

1
Q

what is the sensory neuron

A

afferent neuron, affector

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2
Q

where is the sensory neuron located

A

in sense organ

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3
Q

what is the association neuron

A

connector neuron

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4
Q

where is the association neuron

A

brain or spinal cord

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5
Q

what is the motor neuron

A

efferent (effectors)

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6
Q

where are motor neurons

A

in muscles or glands

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7
Q

where does the message go after the sensory neuron

A

association neuron

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8
Q

where does the message go after the association neuron

A

motor neuron

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9
Q

what is the order in which the message goes

A

sensory neuron, association neuron, motor neuron

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10
Q

function of motor neuron

A

carry out action

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11
Q

what is a reflex action

A

involuntary, rapid, reaction for survival, no brain involvement

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12
Q

what is included in the CNS

A

includes brain and spinal cord

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13
Q

CNS nickname

A

command center

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14
Q

function of CNS

A

interpret incoming information and issue instructions

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15
Q

how much does the brain weigh

A

3 lbs

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16
Q

where is the cerebrum located

A

top

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17
Q

how many hemispheres are in the cerebrum

A

2

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18
Q

what are the grooves in the cerebrum called

A

sulci

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19
Q

what are the ridges in the cerebrum called

A

gyri

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20
Q

what does the cerebrum control

A

conscious thought, learning, emotional response, higher intellectual reasoning

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21
Q

is the cerebrum voluntary or involuntary

A

voluntary

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22
Q

where is the broncas area located

A

cerebrum

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23
Q

broncas area

A

cerebrum, controls speech, stroke- lack of h2o

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24
Q

what causes a stroke

A

lack of o2

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25
corpus callosum
connects right a left hemisphere (cerebrum)
26
what shape is the corpus callosum
horseshoe
27
what type of matter does the cerebrum contain
white matter
28
parkinsons disease
tremors, problems wit muscular movement, lack of dopamine (neurotransmitters)
29
cause of parkinsons
lack of dopamine
30
Thalmus nickname
relay station
31
function of thalmus
prevent overload
32
what does the thalmus control
crude recognition of whether a sensation is pleasant or not
33
function of hypothalmus
controls body temperature, h2o balance, metabolism, EMOTIONS, DRIVES
34
what does the hypothalmus influence
pituitary gland and pineal gland
35
what gland use to be #1 before the hypothalmus
pituitary
36
where is the hypothalmus located
under thalmus
37
what does the limbic system control
thirst, appetite, pain, pleasure center
38
where is the lymnoc system located
hypothalmus
39
mamilary bodies and location
involved in smell (hypothalmus)
40
mammary glands and location
breast tissue, milk (hypothalmus)
41
medulla oblongata location
part of the brain stem that connects with the spinal cord (very back of the head, occipital)
42
what does the medulla oblongata control
blood pressure, breathing, swallowing, vomiting (viral processes)
43
is the medulla oblongata involuntary or voluntary
involuntary
44
what does the cerebellum control
balance and equilibrium, body movement
45
what does the cerebellum control
cauliflower
46
is the cerebellum voluntary or involuntary
involutary
47
cerebral palsy
at birth, baby has no O2. physically handicap, skeletal muscles effected, spastic jerking movement (cerebellum)
48
what are meninges
covering over the brain tissue and spinal cord
49
meningitis
infection of the meninges | contagious flue like symptoms
50
is meningitis contagious
yes
51
what type of symptoms occurs with meningitis
flue like
52
encephalitis
brain swelling, H2O on the brain- hydrocephalus. cause by germs and fluid
53
cause of encephalitis
h2o on the brain and germ caused
54
hydrocephalus
H2O on the brain (bad)
55
cerebrospinal fluid
fluid in brain and spinal cord (good) cushion
56
function of cerebrospinal fluid
protection
57
cerebrospinal fluid abbreviation
CSF
58
what is the blood brain barrier composed of
capillaries
59
function of blood brain barrier
prevents certain substances from entering brain tissue (not drugs)
60
what things enter past the blood brain barrier
glucose, essential, amino acid, h2o cross barrier