10.1 Nervous system (Resting Potential) DB024

What is the normal resting potential of a neuron cell membrane?

• +40mV
• -30mV
• +55mV
• -70mV

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

When a neuron is resting, the inside of the axon has a ____________ charge.

• positive
• negative

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

• K+
• NaCl
• Na+
• Cl-

In resting potential, neurons have more ____________ on the inside of the cell membrane.

• NaCl
• Na+
• K+
• Cl-

Which one of the following is involved in maintaining a resting membrane potential?

• Na+/K+ ATPase pump moves 3Na+ in for every 2K+ out

• Na+/K+ ATPase pump moves 3K+ in for every 2Na+ out

• Na+/K+ ATPase pump moves 3Na+ out for every 2K+ in

• Na+/K+ ATPase pump moves 3K+ out for every 2Na+ in

When a neurone has not been activated, it is resting, the membrane is said to be...

• polarised

• depolarised

• hyperpolarised

True or False: A resting neurone isn't using any ATP

• True

• False

Which of the following is NOT true of the Sodium-Potassium Pump?

• 3 sodiums are pumped out

• 2 potassiums are pumped out

• energy is used

• ions are moved against the gradient