11.2 Flashcards

1
Q

The flow of electrical charge

A

Current

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2
Q

Force opposing charge flow

A

Resistance

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3
Q

Do insulators have high or low resistance

A

High

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4
Q

Canalis

A

Pipeline

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5
Q

Open to reduce resistance allowing current in the form of ions to flow across the membrane

A

Integral membrane proteins

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6
Q

What are the two Main Gated ion channels

A

Ligand gated

Voltage gaited

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7
Q

Which gated ion channel is activated when bound by specific molecules like neurotransmitters and hormones

A

Ligated

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8
Q

Which gated ion channel is activated be changed in membrane potential charge

A

Voltage gated

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9
Q

Potential energy generated by charge difference

A

Voltage

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10
Q

Extracellular fluid higher in Na or K

A

Na

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11
Q

Cytoplasm higher in Na or K

A

K

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12
Q

Which Gate is action potential

A

Voltage

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13
Q

Which gate is graded or local

A

Ligand

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14
Q

What is the entire process of sending a wave or voltage charge down an axon

A

Action potential

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15
Q

Where does ap occur

A

Muscle cells and axon of neurons

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16
Q

Extra

A

Outside

17
Q

Ligare

A

To bind

18
Q

How does cns tell difference between a weak stimulus and a strong one

A

Frequency

19
Q

What does the speed of ap depend on?

A

Axon diameter and degree of myelination

20
Q

What are no myelinatied axons called

A

Continuous conduction

21
Q

What are myelinatied axons called

A

Saltatory

22
Q

How does axon diameter relate to ap speed

A

Larger diameter equals faster impulse