WorksheetsTransmission of Nerve Impulses
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Depolarization occurs only at
a)
Axon terminals
b)
Myelinated axons
c)
Nodes of Ranvier
d)
Schwann cells
2.
Communication between neurons occurs at
a)
Axon terminal
b)
Synapse
c)
Muscle fiber
d)
Neuron membrane
3.
All of the following have a major impact on the speed at which a nerve impulse travels except
a)
Diameter of the axon
b)
Presence or absence of a myelin sheath
c)
Body temperature
d)
Myelinated axons
4.
Impulses that signal limb position to the brain travel extremely slow.
a)
True
b)
False
5.
The sensation of pain moves more slowly than other nerve impulses.
a)
True
b)
False
6.
Neurotransmitters can have an excitatory or inhibitory effect on the receiving cell.
a)
True
b)
False
7.
The final step in communication between nerves at a synapse is:
a)
Release of the neurotransmitter
b)
Removal of the neurotransmitter
c)
Influx of calcium
d)
Removal of endorphins
8.
Involuntary stimuli are sent by a somatic reflex.
a)
True
b)
False
9.
The two types of reflexes are parasympathetic and autonomic.
a)
True
b)
False
10.
A quick response is possible because an efferent signal is sent via an interneuron directly to a motor neuron.
a)
True
b)
False
11.
Body temperature does not effect the conduction speed of an electrical impulse.
a)
True
b)
False
12.
Conduction of nerve impulses are always faster in axons with a smaller diameter.
a)
True
b)
False
13.
Release of the neurotransmitter must occur before a cell membrane can respond to a second stimulus.
a)
True
b)
False
14.
During depolarization the inside of the membrane becomes more positive than the outside.
a)
True
b)
False
15.
The refractory period of an action potential is
a)
Typically 5 seconds
b)
All-or-none
c)
A time of rest
d)
A time of hyperactivity
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