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Human Anatomy + Physiology > Nervous System > Flashcards

Nervous System Flashcards

1
Q

PNS

A

Everywhere but Brain & Spinal Cord

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2
Q

CNS

A

Spinal cord & Brain

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3
Q

Neurons

A

Cell bodies, Dendrites, Axons

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4
Q

Dendrites

A

Receive information from other neurons

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5
Q

Axons

A

Transmit information to other neurons

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6
Q

Chemical Transmission

A

Between neurons, synapse, w/ neurotransmitters

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7
Q

Excitatory neurotransmitters

A

Cause sodium channels to open, initiates action potential

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8
Q

Inhibitory neurotransmitters

A

More difficult for neuron to achieve action potential

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9
Q

Sensory neurons

A

Carry information from sensory receptors on PNS to CNS

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10
Q

Motor neurons

A

Carry information from CNS to PNS

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11
Q

Meninges

A

Membrane of the brain

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12
Q

Lobes of cerebrum

A

Frontal, Temporal, Occipital, Parietal

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13
Q

Hemorrhage

A

Rush of blood in the brain

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14
Q

Ischemic stroke

A

Blockage of blood in the brain

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15
Q

Hypoglossal

A

Tongue/Taste

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16
Q

Oculomoter

A

Eye/Movement

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17
Q

Optic

A

Eye/Sight

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18
Q

Vestibulocochlear

A

Sound & Balance/Hearing

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19
Q

Olfactory

A

Nose/Smell

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20
Q

Trigeminal

A

Face/Facial touch

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21
Q

Neurons

A

Conduct and transmit impulses

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22
Q

Neurotransmitters

A

Chemicals that neurons use to communicate with within synapses

23
Q

Threshold stimulus

A

Required to induce an action potential

24
Q

Schwann cells

A

Produce myelin

25
Q

Brain stem

A

Midbrain, Pons, Medulla oblongata

26
Q

Corpus callosum

A

Connects the left and right hemisphere

27
Q

Cerebral cortex

A

Surface of the cerebrum made up of gray matter

28
Q

Cerebrum

A

Controls thinking, memory, hearing, and vision

29
Q

Cell at resting potential

A

More negative inside than outside

30
Q

Behavior

A

Influenced equally both by left and right hemisphere

31
Q

Left brain

A

Analytical, mathematical

32
Q

Right brain

33
Q

Structures that protect the CNS

A

Blood brain barrier, Cerebrospinal fluid

34
Q

Gaba

A

Neurotransmitter that inhibits excitatory the cause anxiety; nature’s Valium

35
Q

Glia Cells

A

Support cells, don’t send messages

36
Q

Multiple Sclerosis

A

Autoimmune disease that destroys myelin, impairs nerve conduction, and causes weakness

37
Q

Broca’s Aphasia

A

Can understand, but omits certain words

38
Q

Wernicke’s Aphasia

A

Can talk, but often jumbled nonsense

39
Q

Meningitis

A

High fever, life threatening, headache, inflammation of the brain membranes

40
Q

Alzheimers

A

Degenerative, Kills brain cells, confusion, memory loss

41
Q

Parkinsons

A

Affects nerve cells that produce dopamine, causes tremors

42
Q

Organophosphates

A

Caused from pesticides, affect acetylcholine receptors

43
Q

Botulism

A

Caused from rotten food, affect acetylcholine receptors

44
Q

Anatoxin A

A

Caused from algae, affect acetylcholine receptors

45
Q

Cocaine

A

Blocks reuptake pumps, causes dopamine to be stuck in the synapse, dopamine receptors in full use constantly, leads to decreased dopamine receptors

46
Q

Frontal lobe abnormalities

A

Short term memory loss, apathy, loss of conscience thinking, different personality

47
Q

Occipital lobe

A

Vission issues

48
Q

Temporal lobe

A

Hearing and memory loss

49
Q

Parietal lobe

A

Spatial awareness issues, understanding issues

50
Q

Label- Thalamus

A

Above hypothalamus, in the circle

51
Q

Label- Brain Stem

A

Outside to inside, Spinal cord, medulla oblongata, pons, midbrain

52
Q

Label- Optic chiasm

A

X shaped, more towards the front

53
Q

Label- Pituitary gland

A

Bottom, middle of brain

54
Q

Label- Olfactory Bulb

A

From of the brain

Human Anatomy + Physiology (10 decks)

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