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Nervous System Part One

Authored by David Myers

Science

University

NGSS covered

Used 42+ times

Nervous System Part One
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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Immediately after an action potential is propagated, which one of the following ions rapidly diffuses out of the cell into the tissue fluid:

potassium

calcium

sodium

chloride

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The sympathetic and parasympathetic nervous systems are subdivisions of the:

autonomic NS

voluntary NS

somatic NS

central NS

peripheral NS

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one of the following best describes the waxy-appearing material called myelin:

a mass of white lipid material that surrounds the dendrites of a neuron

an outer membrane on a neuroglial cell

a mass of white lipid material that insulates the axon of a neuron

a lipid-protein call membrane on the outside of axons

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these are not a type of neuroglia found in the CNS?

Schwann cells

oligodendrocytes

ependymal cells

astrocytes

microglia

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bipolar neurons are commonly:

motor neurons

found in the eye and nose

more abundant in adults than children

called neuroglia

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An action potential is caused by an influx of these ions into a neuron:

both potassium and sodium

potassium

sodium

magnesium

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The gap between two communicating neurons is termed:

node of Ranvier

synaptic cleft

effector

cell body

Schwann cell

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