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Neuronal Electrical Signals Quiz

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Questions and Answers

Which type of neuronal electrical signal is recorded across the plasma membrane of an excitable cell?

Membrane potential

Synaptic potential

Receptor potential

Action potential (correct)

What is the purpose of poking a glass needle with salt water into a portion of a cell during recording?

To measure the synaptic potential

To measure the action potential

To measure the receptor potential

To measure the membrane potential (correct)

What triggers a small potential known as the receptor potential?

Poking the glass needle into a cell

Recording across the plasma membrane

Touching the sensory neuron (correct)

Stimulating the cell body of a presynaptic neuron

What causes a small voltage change known as the synaptic potential?

<p>Stimulating the cell body of a presynaptic neuron</p> Signup and view all the answers

Which statement is true about the membrane potential of excitable cells?

<p>All cells have a membrane potential</p> Signup and view all the answers

Neuronal Electrical Signals Quiz

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Podcast

Questions and Answers

Which type of neuronal electrical signal is recorded across the plasma membrane of an excitable cell?

What is the purpose of poking a glass needle with salt water into a portion of a cell during recording?

What triggers a small potential known as the receptor potential?

What causes a small voltage change known as the synaptic potential?

Which statement is true about the membrane potential of excitable cells?

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