WorksheetsCommunication & Organization of the Nervous System
Total questions: 26
Worksheet time: 13mins
Name
Class
Date
1.
Which part of the neuron carries signals away from the soma?
a)
axon
b)
dendrite
c)
synapse
d)
cell body
2.
Which part of the neuron speeds up electrical signal and insulates neurons?
a)
axon
b)
dendrite
c)
myelin sheath
d)
nodes of ranvier
3.
Which part of the neuron receives chemical signals from other neurons?
a)
axon
b)
dendrite
c)
synapse
d)
cell body
4.
What is the name of the disease/ disorder that occurs when the myelin sheath deteriorates?
a)
Parkinson's
b)
Alzheimer's
c)
Crohn's
d)
Multiple Sclerosis
5.
Which animal's axons did Alan Hodgkin and Andrew Huxley study?
a)
Elephant
b)
Squid
c)
Octopus
d)
Sea Serpent
6.
What is the charge of a neuron's resting potential?
a)
50 mv
b)
-50 mv
c)
70 mv
d)
-70 mv
7.
What supplies nourishment to neurons, helps remove neurons' waste products, and provides insulation around many axons?
a)
Glia
b)
Myelin
c)
Neurotransmitters
d)
Mitosis
8.
When a neuron is depolarized a(n) __________ occurs.
a)
Chain reaction
b)
Action potential
c)
Refractory period
d)
Synaptic signal
9.
To convey information about the strength of a signal, neurons ______________
a)
Increase the strength of the action potential
b)
Fire more rapidly
c)
Neither of these
d)
Both of these
10.
Where does the chemical communication of neurotransmitters occur?
a)
Cell body
b)
Axon
c)
Synapses
d)
Myelin Sheath
11.
How do PSPs differ from action potentials?
a)
occur at receptor site
b)
graded (not all-or-none)
c)
inhibitory and excitatory
d)
all of these
12.
Which neural process is similar to recycling?
a)
reuptake
b)
reprocessing
c)
synthesis
d)
activation
13.
A deficit of this neurotransmitter is associated with Alzheimer's.
a)
Acetylcholine
b)
Dopamine
c)
Norepinephrine
d)
Serotonin
14.
Acetylcholine contributes to the regulation of:
a)
Attention
b)
Arousal
c)
Memory
d)
all of these
15.
A deficit of this neurotransmitter is associated with Parkinson's, while an overabundance is linked to schizophrenia and other disregulation is linked to addictive disorders.
a)
Acetylcholine
b)
Dopamine
c)
Norepinephrine
d)
Serotonin
16.
Acetylcholine can be stimulated by:
a)
Cocaine
b)
Amphetamines
c)
Nicotine
d)
Caffeine
17.
Cocaine and Amphetamines elevate activity at which synapses:
a)
Dopamine
b)
Norepinephrine
c)
both of these
d)
neither of these
18.
This neurotransmitter is linked to depression, OCD, and eating disorders
a)
Serotonin
b)
GABA
c)
Glutamate
d)
Endorphins
19.
This neurotransmitter is linked to anxiety disorders
a)
Serotonin
b)
GABA
c)
Glutamate
d)
Endorphins
20.
Prozac affects these circuits and it is involved in the regulation of sleep and wakefulness, eating, and aggression.
a)
Serotonin
b)
GABA
c)
Glutamate
d)
Endorphins
21.
Valium affects these circuits and it is involved in the regulation of sleep/ arousal and anxiety.
a)
Serotonin
b)
GABA
c)
Glutamate
d)
Endorphins
22.
These resemble opiate drugs is structure and effects, play a role in pain relief and response to stress as well as regulation of eating behavior.
a)
Serotonin
b)
GABA
c)
Glutamate
d)
Endorphins
23.
Widely distributed excitatory neurotransmitter linked to learning and memory, which is also associated with schizophrenia.
a)
Serotonin
b)
GABA
c)
Glutamate
d)
Endorphins
24.
Afferent nerves carry information _________ the CNS while efferent nerves carry information ______________ the CNS.
a)
toward; away from
b)
away from; toward
25.
Which is NOT part of the peripheral nervous system?
a)
afferent nerves
b)
efferent nerves
c)
autonomic nervous system
d)
central nervous system
26.
Which part of the autonomic nervous system responds to stress with our fight-or-flight response?
a)
parasympathetic
b)
sympathetic
c)
somatic
d)
peripheral
100 %
