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Nerve Impulse Transmission

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Questions and Answers

What initiates the movement of a nerve impulse along a neuron?

The change in size of the neuron

The release of neurotransmitters

The movement of ions causing a change in electrical charges (correct)

The presence of external stimuli only

What is true about the resting potential of a neuron?

The intracellular space is negatively charged while the extracellular space is positively charged (correct)

The resting potential varies greatly among different types of neurons

The intracellular space is positively charged

The extracellular space is negatively charged

Which diagram best illustrates the resting potential of a neuron?

A side-view of the neuron showing ions and charge distribution (correct)

A front-facing view with no charge indicators

A cross-section of the membrane with no ions depicted

A diagram showing overlapping ions inside and outside the neuron

How can nerve impulses be described?

<p>As weak electric currents, similar to waves (B)</p> Signup and view all the answers

What does the term 'resting potential' refer to in a neuron?

<p>The electrical charge difference across the neuron's membrane when inactive (D)</p> Signup and view all the answers

Study Notes

Nerve Impulse Transmission

A nerve impulse is an electrical signal traveling along a neuron.
This signal arises from ion movement, causing changes in electrical charges.
At rest, the neuron's intracellular space is negatively charged, while the extracellular space is positively charged. This state is called the resting potential.
Nerve impulses are like weak electric currents, akin to a wave.

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Description

Explore the fascinating process of nerve impulse transmission in this quiz. Learn about ion movement, resting potential, and how electrical signals travel along neurons. Test your understanding of this crucial biological function.