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PSY 242 > Chapter 4/5 > Flashcards

Chapter 4/5 Flashcards

1
Q

Extreme body events ; seizures are called _________

A

Epilepsy

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2
Q

Hans Berger is the inventor of ____________

A

EEG

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3
Q

Cations

A

Positively Charged

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4
Q

Anions

A

Negatively Charged

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5
Q

Resting potential of a membrane is

A

-70 mV

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6
Q

Extracellular ions

A

Na+ Cl-

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7
Q

Intracellular ions

A

K+ and A-

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8
Q

Na K pump

A

3 Na out
2 K in

Making intracelluar more negative

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9
Q

Hyperpolarization is the _________ of _________ making extracellular more ___________

A

Hyperpolarization is the efflux of potassium making the extracellularlar more positive

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10
Q

Depolarization is due to the _________ of _________

A

Influx of Sodium

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11
Q

___________ can caused due to the influx of Cl-

A

Hyperpolarization

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12
Q

Inhibitory signals _________ the chance of action potential

A

Reduce

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13
Q

Excitatory signals ____________ the chance of depolarization

A

Increase

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14
Q

Learning and memory is part of the __________ system

A

Cholinergic

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15
Q

________________ is the primary NT in the PNS

A

Acetylcholine

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16
Q

Hans Berger is the inventor of ___________

A

EEG

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17
Q

Ions move through

A

Concentration Gradient
Voltage Gradient

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18
Q

Resting Potential of a membrane is

A
  • 70mv
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19
Q

Hyperpolarization is efflux of __________ and influx of __________

A

Pottasium ; Cholride

20
Q

Signals are summed at the _________

A

Axon Hillock

21
Q

Deep brain stimulation is used for

A

Parkinson’s and epilepsy

22
Q

What did Otto Loewi use to Stimulate the vagus nerve of the frog heart

A

Acetylcholine

23
Q

Synaptic Vesicles are inside the ________

A

Storage Granule

24
Q

Neurotransmitters are stored in the _________

A

Synaptic Vesicles

25
Q

in salatory conduction electric signals have to jump from ___________ so the signal travels faster

A

Nodes of Ravier

26
Q

Excitatory Pathway produces

A

Action potential or depolarization

27
Q

Inhibitory pathway produces

A

Hyperpolarization

28
Q

At axon terminal, the action potential opens voltage gated ___________

A

Calcium Channels

29
Q

Cell bodies originate in the _________ or __________

A

Brainstem ; midbrain

30
Q

Dominant NT in Cholinergic system

A

Acetylcholine

31
Q

Where does Cholinergic system project to

A

Basal Forebrain

32
Q

Cholinergic system is involved in

A

Learning and memory
Wake up and sleeping

33
Q

Noradrenegic System primary NT

A

Norepinephrine

34
Q

Acetylcholine

A

PNS system

35
Q

Norepinephrine is used to ______________

A

Kickstart the sympathetic nervous sytem

36
Q

Primary NT in Dopaminergic system

A

Dopamine

37
Q

2 pathways of Dopaminergic system

A

Nigrostriatal pathway
Mesolimbic pathway

38
Q

nigrostriatal pathway

A

Involved in movement ( to practice golfing)

39
Q

Mesolimbic pathway

A

Reward system

40
Q

In schizophrenia there is a high NT of __________

A

Dopamine

41
Q

NT is seatonergic pathway

A

Deratonin

42
Q

Seratonin influences

A

Mood and emotion
Schizoprenia
Appetite and digestion

43
Q

GABA

A

Inhibitory (Hyperpolarizing)

44
Q

Glutamate

A

Excitatory
(Depolarizing)

45
Q

Opiods

A

Bodys natural pain killer

46
Q

Agonist

A

Enhances function of neurotransmitter at synapse

47
Q

Antagonist

A

Inhibits function of neurotransmitter at synapse

PSY 242 (3 decks)

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