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Flashcards in 11.2 Deck (22)
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1

The flow of electrical charge

Current

2

Force opposing charge flow

Resistance

3

Do insulators have high or low resistance

High

4

Canalis

Pipeline

5

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

Integral membrane proteins

6

What are the two Main Gated ion channels

Ligand gated
Voltage gaited

7

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

Ligated

8

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

Voltage gated

9

Potential energy generated by charge difference

Voltage

10

Extracellular fluid higher in Na or K

Na

11

Cytoplasm higher in Na or K

K

12

Which Gate is action potential

Voltage

13

Which gate is graded or local

Ligand

14

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

Action potential

15

Where does ap occur

Muscle cells and axon of neurons

16

Extra

Outside

17

Ligare

To bind

18

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

Frequency

19

What does the speed of ap depend on?

Axon diameter and degree of myelination

20

What are no myelinatied axons called

Continuous conduction

21

What are myelinatied axons called

Saltatory

22

How does axon diameter relate to ap speed

Larger diameter equals faster impulse