2.2.2 Action Potential Review

Which ions are involved in an action potential?

• Na; Cl
• Na; K
• K; Cl
• Na; Ca

The sodium potassium pump restores the resting potential. By which process does this work? 

• Osmosis
• Diffusion
• Facilitated diffusion
• Active transport

Tags

NGSS.HS-LS1-3

When a neuron is not engaged in an impulse.

• Resting potential
• Action potential
• Neural potential
• Synaptic potential

In resting potential, neurons have more _________ on the outside of the cell membrane.

• K+
• NaCl
• Na+
• Cl-

At what stage are both ions present in large concentrations INSIDE the neuron?

• Depolarizarion
• Repolarization
• Hyperpolarization
• Resting Potential

When is the potassium channel open?

• during rest only

• during repolarization only

• during depolarization only

• all the time

Action potentials run along the ______ from ______ to ________.

• axon, dendrites, axon terminals

• axon, axon terminals, dendrites

• dendrites, axon, axon terminals

• axon terminals, axon, dendrites

An action potential is __________ in nature, with the inside of the neuron being more ________ at rest.

• chemical, negative

• electrical, negative

• chemical, positive

• electrical, positive

Tags

NGSS.HS-PS2-5

As the action potential travels, there's a reversal (from resting potential) in _______ as the axon membrane undergoes ________.

• direction, depolarization

• charge, depolarization

• direction, repolarization

• charge, repolarization

Part of a neuron that receives information from other neurons:

• axon

• dendrites

• myelin sheath

• synapse