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Understanding Neurons and Their Functions

Authored by Jonathan Cross

Social Studies

12th Grade

Used 1+ times

Understanding Neurons and Their Functions
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of neuron is responsible for transmitting signals from sensory receptors to the central nervous system?

Motor neuron

Sensory neuron

Relay neuron

Interneuron

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of the myelin sheath?

To store neurotransmitters

To insulate the axon and speed up signal transmission

To connect neurons to each other

To generate action potentials

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term for the gap between two neurons where synaptic transmission occurs?

Axon terminal

Synapse

Node of Ranvier

Dendrite

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best describes an action potential?

A resting state of a neuron

A rapid rise and fall in voltage across a neuron's membrane

A slow, steady increase in voltage

A decrease in neurotransmitter release

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term for the minimum level of stimulus required to trigger an action potential?

Summation

Threshold

Excitation

Inhibition

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which process involves the combination of multiple synaptic inputs (sum total) to reach the threshold for an action potential?

Inhibition

Excitation

Summation

Transmission

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of relay neurons?

To transmit signals from the central nervous system to muscles

To connect sensory and motor neurons within the central nervous system

To detect changes in the environment

To produce myelin

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