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biology qt3 > Action pathway- blood brain barrier > Flashcards

Action pathway- blood brain barrier Flashcards

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AP® Biology flashcards Biology 101 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
Q

corpus callosum

A

connects right a left hemisphere (cerebrum)

26
Q

what shape is the corpus callosum

A

horseshoe

27
Q

what type of matter does the cerebrum contain

A

white matter

28
Q

parkinsons disease

A

tremors, problems wit muscular movement, lack of dopamine (neurotransmitters)

29
Q

cause of parkinsons

A

lack of dopamine

30
Q

Thalmus nickname

A

relay station

31
Q

function of thalmus

A

prevent overload

32
Q

what does the thalmus control

A

crude recognition of whether a sensation is pleasant or not

33
Q

function of hypothalmus

A

controls body temperature, h2o balance, metabolism, EMOTIONS, DRIVES

34
Q

what does the hypothalmus influence

A

pituitary gland and pineal gland

35
Q

what gland use to be #1 before the hypothalmus

A

pituitary

36
Q

where is the hypothalmus located

A

under thalmus

37
Q

what does the limbic system control

A

thirst, appetite, pain, pleasure center

38
Q

where is the lymnoc system located

A

hypothalmus

39
Q

mamilary bodies and location

A

involved in smell (hypothalmus)

40
Q

mammary glands and location

A

breast tissue, milk (hypothalmus)

41
Q

medulla oblongata location

A

part of the brain stem that connects with the spinal cord (very back of the head, occipital)

42
Q

what does the medulla oblongata control

A

blood pressure, breathing, swallowing, vomiting (viral processes)

43
Q

is the medulla oblongata involuntary or voluntary

A

involuntary

44
Q

what does the cerebellum control

A

balance and equilibrium, body movement

45
Q

what does the cerebellum control

A

cauliflower

46
Q

is the cerebellum voluntary or involuntary

A

involutary

47
Q

cerebral palsy

A

at birth, baby has no O2. physically handicap, skeletal muscles effected, spastic jerking movement (cerebellum)

48
Q

what are meninges

A

covering over the brain tissue and spinal cord

49
Q

meningitis

A

infection of the meninges

contagious flue like symptoms

50
Q

is meningitis contagious

A

yes

51
Q

what type of symptoms occurs with meningitis

A

flue like

52
Q

encephalitis

A

brain swelling, H2O on the brain- hydrocephalus. cause by germs and fluid

53
Q

cause of encephalitis

A

h2o on the brain and germ caused

54
Q

hydrocephalus

A

H2O on the brain (bad)

55
Q

cerebrospinal fluid

A

fluid in brain and spinal cord (good) cushion

56
Q

function of cerebrospinal fluid

A

protection

57
Q

cerebrospinal fluid abbreviation

A

CSF

58
Q

what is the blood brain barrier composed of

A

capillaries

59
Q

function of blood brain barrier

A

prevents certain substances from entering brain tissue (not drugs)

60
Q

what things enter past the blood brain barrier

A

glucose, essential, amino acid, h2o cross barrier

biology qt3 (26 decks)

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