Nerve

Nerve

University

15 Qs

quiz-placeholder

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Nerve

Nerve

Assessment

Quiz

Science

University

Hard

NGSS
HS-PS3-5

Standards-aligned

Created by

Lisa Thompson

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Repolarisation of an activated neuron does NOT include:

Opening of voltage-gated Na+ channels

Opening of voltage-gated K+ channels

Shifting membrane potential towards resting levels

Inactivation of voltage-gated Na+ channels

Tags

NGSS.HS-PS3-5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a motor unit?

A muscle fibre and all the neurons it innervates

A motor neuron and all the muscle fibres that it innervates

All the nerve fibres and muscle fibres contained in one fascicle

A motor neuron and a single muscle fibre that it innervates

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

True or False?

At threshold (-60mV), voltage-gated K+ channels are closed and voltage-gated Na+ channels open.

True

False

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Local Potentials

Depolarise the membrane to the same level (+30 mV) each time

Depolarise or hyperpolarise the membrane to different levels

Propagate down the axon

Associate with voltage-gated ion channels

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

The region of the neuron where all local potentials summate is the

Dendrite

Cell body

Axon hillock

Axon Terminal

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

True or False?

A neurotransmitter from a pre-synaptic neuron binds to a voltage-gated ion channel on the dendrite of a post-synaptic neuron

True

False

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is labeled #6?

Axon

Neurotransmitter

Synapse

Calcium Channel

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