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Neurophysiology Quiz

Authored by Gabrielle Gabrielle

Science

University

NGSS covered

Used 1+ times

Neurophysiology Quiz
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27 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of signal is transmitted along the axon of a neuron?

Chemical signal

Electrical signal

Thermal signal

Magnetic signal

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of ion channel is always open?

Mechanically gated channels

Voltage-gated channels

Leakage channels

Chemical (Ligand) gated channels

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What triggers the opening or closing of chemical (ligand) gated channels?

Change in temperature

Binding of a ligand

Mechanical deformation

Change in light intensity

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the state of Na⁺ channel activation gates at rest?

Open

Closed

Partially open

Inactivated

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How long after the activation gate opens does the Na⁺ channel inactivation gate block the channel?

~1ms

~5ms

~10ms

~15ms

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many voltage-sensitive gates do K⁺ channels have?

Two

Three

One

Four

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the resting membrane potential of a neuron?

~70 mV

~50 mV

~90 mV

~30 mV

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