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Action Potential

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Total cards: 14•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (14)

#1
Front (Question)

Action Potential

Back (Answer)

Electrical signal that is carried down a neuron through its axon and passed to a neighboring neuron.

#2
Front (Question)

How is action potential generated?

Back (Answer)

Through a sudden reverse of charge.

#3
Front (Question)

What do proteins make up?

Back (Answer)

Channels & Pumps

#4
Front (Question)

What’s essential for nerve function?

Back (Answer)

The distribution of ions across the cell membrane.

#5
Front (Question)

What must happen in order for an ion to exit or enter the cell?

Back (Answer)

Ions must pass through a membrane or pump.

#6
Front (Question)

The six types of ions inside the cell that cannot leave?

Back (Answer)

• Phosphates • Sulfates • Organic Acids • Proteins • ATP • RNA

#7
Front (Question)

Neurons can be stimulated by?

Back (Answer)

• Chemicals • Light • Heat • Mechanical distortion of the membrane

#8
Front (Question)

Five steps of action potential?

Back (Answer)

1) Resting Potential 2) Depolarization 3) Action Potential 4) Repolarization 5) Hyperpolarization

#9
Front (Question)

How much energy from the body does it take to complete action potential?

Back (Answer)

• 70% of the energy requirementss of the nervous system. • 1/3 of the body’s total energy.

#10
Front (Question)

Central Branch function?

Back (Answer)

transmits sensory signals toward the central nervous system.

#11
Front (Question)

Peripheral Branch function?

Back (Answer)

recieves information from sensory receptors.

#12
Front (Question)

Multipolar Neuron (axon & dendrites)

Back (Answer)

1 Axon – Many Dendrites

#13
Front (Question)

Bipolar Neuron (axon & dendrites)

Back (Answer)

1 Axon – 1 Dendrite

#14
Front (Question)

Unipolar Neuron (axon & dendrites)

Back (Answer)

1 Axon – 0 Dendrites