Unit 3 & 5 Exam Flashcards

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1
Q

Dendrites

A

Receives info

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2
Q

Axon fibers

A

Passes message

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3
Q

Myelin sheath

A

Fatty tissue that speeds up impulses

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4
Q

action potential

A

Electric charge that travels down the axon

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5
Q

Acetylcholine
Undersupply:

A

Muscle action, learning, and memory

Alzheimer’s

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6
Q

Dopamine
Oversupply:
Undersupply

A

Movement, learning, attention, emotion

Schizophrenia

Tremors

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7
Q

Serotonin
Undersupply:

A

Mood, hunger, sleep, and arousal

Depression

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8
Q

Norepinephrine
Undersupply:

A

Controls alertness and arousal

Depresses mood

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9
Q

GABA
Undersupply:

A

Major inhibitory neurotransmitter

Seizures, tremors, and insomnia

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10
Q

Glutamate
Oversupply:

A

excitatiory; memory

Over simulation the brain. Migraines/seizures

Reason ppl avoid eating glutamate foods

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11
Q

Angonist

A

Stimulates response

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12
Q

Antagonists

A

Blocks response

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13
Q

Multiple sclerosis

A

Muscles slow and loss of control in them

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14
Q

Phrenology

A

bumps on the skull can predict someone’s mental ability and traits

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15
Q

Exacitatory

A

Pushing neuron’s accelerator

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16
Q

Inhibitory

A

Pushing neuron’s brake

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17
Q

Resting potential

A

Positive outside/negative inside

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18
Q

Endorphins

A

Self-producing morphin

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19
Q

Central nervous system

A

body’s decision maker
Brain and spinal cord

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20
Q

Peripheral nervous system

A

gathers information

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21
Q

Sensory neurons

A

carry messages

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22
Q

Motor neurons

A

carry instructions

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23
Q

Nervous system has the two systems of

Which one has other systems in it?

A

peripheral and central NS

Peripheral

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24
Q

Peripheral NS has the two systems of

What does each do?

Which one has other systems?

A

Autonomic (involuntary movements) and Somatic (Voluntary movements)

Autonomic

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25
Q

Autonomic has the two systems of

What does each do?

A

Sympathetic (arousing) and Parasympathetic (calming)

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26
Q

Endocrine system releases:

A

Hormones

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27
Q

Hypothalamus

A

Controls pituitary gland

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28
Q

Pituitary gland

A

Growth hormones; Oxycontin
Associated with birthing and social trust

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29
Q

Thyroid gland

A

Metabolism

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30
Q

Parathyroids

A

level of calcium in blood

31
Q

Adrenal glands
Releases:

A

adrenaline (fight or flight)
Epinephrine and norepinephrine

32
Q

Pancreas

A

Sugar in blood

33
Q

Testis/Ovaries

A

Sex hormones

34
Q

interneurons

A

intervene between sensory and motor neurons (processes message)

35
Q

EEG

A

Shower cap that reads electric waves across surface of brain

helps identify the cause of certain symptoms

36
Q

CT

A

x-rays to see brain damage

visualize nearly all parts of the body

37
Q

PET

A

Tracks radioactive fluid through the body

to evaluate organs and/or tissues for the presence of disease or other conditions

38
Q

MRI

A

Shows brain anatomy(soft tissues) with magnetic fields and radio waves

to diagnose a variety of conditions, from torn ligaments to tumors.

39
Q

fMRI

A

Active MRI that shows what happens when certain activities take place

which parts of the brain are active during activities

40
Q

Medulla

A

Controls heartbeat and breathing

41
Q

Pons

A

Movement coordination

42
Q

Thalamus

A

Receives info about sense except smell an sends it to the higher brain

43
Q

Reticular formation

A

Important part in controlling arousal

44
Q

Cerebellum

A

Little brain
Nonverbal learning and memory

45
Q

Limbic system

A

amygdala, hypothalamus, hippocampus

46
Q

amygdala

A

Linked to aggression and fear

47
Q

Hypothalamus

A

hunger/thirst, body temp, and sexual beh

48
Q

Hippocampus

A

memory

49
Q

Cerebral cortex

A

ultimate control and information processing center

50
Q

Glial cells

A

protect, support, nourish neurons

51
Q

Frontal lobe

A

Speaking, muscle movement and making plans and judgment (behind forehead)

52
Q

Parietal lobe

A

Recieves sensory input for touch and body position (top and rear)

53
Q

Occipital lobe

A

Visual (back of head)

54
Q

temporal lobe

A

auditory areas (above ears)

55
Q

motor cortex

A

voluntary movements

56
Q

Somatosensroy cortex

A

Processes body touch and movement sensations

57
Q

Association areas

A

learning, remembering, thinking, and speaking

58
Q

Left hemisphere

A

Speeking, calculating, language

59
Q

Right hemisphere

A

inferences, sense of self, perceptual tasks

60
Q

DNA

A

a lot of human genomes are similar (basically everyone is kinda of an identical twin)

61
Q

Twin’s placenta

A

One might be more nourished

62
Q

Epigenetics

A

influences on gene expression that happen without DNA changing

63
Q

Gene-environment interaction

A

Genetics and environment both interact to get a result (someone with genetic diabetes is also contributin to it because of the food they eat)

64
Q

Posthypnotic suggestions

A

hypnosis suggestion that should continue even after the session is over.

65
Q

Alpha waves

A

slow small waves

66
Q

delta waves

A

slow large waves

67
Q

Circadian rhythm

A

internal clock

68
Q

NREM-1

A

images resembling hallucinations

69
Q

NREM-2

A

Sleep spindles

70
Q

REM-3

A

deep sleep
kids may wet bed

71
Q

suprachiasmatic nucleus (SCN)

A

Controls circadian rhythm
Melatonin
Pineal gland!

72
Q

Depressants

A

Alcohol, Barbiturates (trnaquilizers), opiates

73
Q

Stimulants

A

Nicotine, cocaine, methamphetamine, ecstasy,

74
Q

Hallucinogens

A

LSD, marijuana,