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PSY 101 > The Neuron > Flashcards

The Neuron Flashcards

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1
Q

What is the charge inside a neuron?

A

Negative

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2
Q

what is the charge outside the neuron?

A

Positive

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3
Q

what is it called when the neuron is at rest?

A

Resting potential

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4
Q

how much K+ enters?

A

2

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5
Q

what does Dendrites mean?

A

Tree

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6
Q

what neurotransmitter is associated with Parkinson’s disease, movement regulation, reinforcement, and cravings?

A

Dopamine

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7
Q

what neurotransmitter is associated with addiction, pain perception, mood, exercise?

A

Endorphin

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8
Q

what do dendrites do?

A

receives information from other cells

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9
Q

what neurotransmitter is associated with depression and stress, arousal, learning, memory, sleep, mood?

A

norepinephrine

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10
Q

What is the threshold for a neuron?

A

-55mv

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11
Q

How fast does a neuron send a message?

A

1/1000th of a second

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12
Q

What are terminal buttons?

A

transforms the message or signals and send it to the next neuron

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13
Q

What is the Axon hillock?

A

Allows energy/electricity to build

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14
Q

what is a happy neutron number?

A

-70mv

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15
Q

what neurotransmitter is associated with Alzheimer’s, learning. memory, and muscle contraction?

A

Acetylcholine

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16
Q

What tells vesicles to fuse with membrane and bind to the receptor sites that open a channel?

A

Receptor sites

17
Q

how much Na+ leaves the neuron?

A

3

18
Q

what is Myelin sheath?

A

a rubbery substance that does not conduct electricity

19
Q

what neurotransmitter is associated with depression, emotion, sleep, sensory perception?

A

serotonin

20
Q

what are Nodes of Ranvier?

A

Axon exposed between Myelin

21
Q

what is another name for cell body?

A

Soma

22
Q

What does the nucleus do?

A

controls whether or not information can be sent down or up.

23
Q

who are Hodgkin and Huxley?

A

they won the noble prize in 1963 they also discovered electrochemical inside neuron is electrical, outside of neuron is chemical.

24
Q

What is the transfer the neurotransmitters to the gap?

A

Vesicles

PSY 101 (8 decks)

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