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, Chapter 1: Studying the Nervous System
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Multiple=Choice
1. Which=part=of=DNA=is=transcribed=into=messenger=RNA?
a. Exon
b. Intron
c. Promoter
d. Non-coding=DNA
e. Regulatory=DNA
=Answer:=a
Textbook=Reference:=Genetics=and=Genomics=Bloom’
s=Level:=2.=Understanding
2. Genomics=is=the=analysis=of
a. coding=DNA=sequences=for=a=species.
b. regulatory=DNA=sequences=for=an=individual=organism=and=a=species.
c. coding=and=regulatory=DNA=sequences=for=a=species.
d. coding=and=regulatory=DNA=sequences=for=an=individual=organism.
e. coding=and=regulatory=DNA=of=an=individual=organism=or=a=species.=
Answer:=e
Textbook=Reference:=Genetics=and=Genomics=Bloom’
s=Level:=1.=Remembering
3. Which=of=Camillo=Golgi’s=contributions=enabled=Santiago=Ramón=y=Cajal=to=make=
observations=that=suggested=that=nerve=cells=are=discrete=entities?
a. Articulation=of=the=neuron=doctrine
b. Identifying=the=organelle=later=called=the=Golgi=apparatus
c. Development=of=a=staining=method=based=on=impregnation=with=silver=salts
d. Improving=the=understanding=of=the=pathophysiology=of=malaria
e. Articulation=of=the=reticular=theory=of=nerve=cell=communication=
Answer:=c
Textbook=Reference:=Cellular=Components=of=the=Nervous=System=B
loom’s=Level:=2.=Understanding
4. The=major=proponent(s)=of=the=neuron=doctrine=was(were)
a. Camillo=Golgi.
b. Santiago=Ramón=y=Cajal.
c. Charles=Sherrington.
d. Santiago=Ramón=y=Cajal=and=Charles=Sherrington.
,e. Camillo=Golgi=and=Santiago=Ramón=y=Cajal.=
Answer:=d
Textbook=Reference:=Cellular=Components=of=the=Nervous=System=B
loom’s=Level:=1.=Remembering
5. Which=function=is=a=characteristic=primarily=of=neurons=only,=and=not=glia?
a. Transmits=action=potentials
b. Supports=electrical=signals
c. Repairs=the=nervous=system
d. Prevents=regeneration=of=the=nervous=system
e. Produces=myelin
=Answer:=a
Textbook=Reference:=Cellular=Components=of=the=Nervous=System=B
loom’s=Level:=1.=Remembering
6. In=which=part=of=a=neuron=would=most=of=the=endoplasmic=reticulum=be=concentrated?
a. Postsynaptic=terminal
b. Presynaptic=terminal
c. Axon
d. Cell=body
e. Dendrite
=Answer:=d
Textbook=Reference:=Cellular=Components=of=the=Nervous=System=B
loom’s=Level:=1.=Remembering
7. Which=intracellular=component=facilitates=the=processes=of=endocytosis=and=exocytosis=
underlying=synaptic=communication?
a. Mitochondria
b. Endoplasmic=reticulum
c. Cytoskeleton
d. Golgi=apparatus
e. Nucleus
=Answer:=
c
Textbook=Reference:=Cellular=Components=of=the=Nervous=System=B
loom’s=Level:=2.=Understanding
8. Most=neurons=have
a. one=axon=hillock=(initial=segment).
b. multiple=axon=hillocks=(initial=segments).
c. one=dendrite.
d. one=axon=hillock=(initial=segment)=and=one=dendrite.
e. multiple=axon=hillocks=(initial=segments)=and=one=dendrite.=
Answer:=a
Textbook=Reference:=Neurons=Bloom
’s=Level:=1.=Remembering
, 9. Which=statement=best=describes=the=function=of=a=neuron=with=multiple,=highly=
branched=dendrites=and=one=axon?
a. It=passes=information=directly=to=multiple=neurons.
b. It=cannot=integrate=information=from=multiple=neurons.
c. It=receives=information=from=only=one=other=neuron.
d. It=integrates=information=from=many=neurons.
e. The=information=it=receives=will=not=be=relayed.=
Answer:=d
Textbook=Reference:=Neurons=Bloom
’s=Level:=3.=Applying
10. Which=statement=best=describes=most=neurons?
a. They=receive=information=via=axons.
b. They=transmit=information=to=other=cells=via=dendrites.
c. They=are=polarized.
d. They=conduct=signals=bidirectionally.
e. They=transmit=electrical=signals=via=cytoplasmic=continuity.=
Answer:=c
Textbook=Reference:=Neurons=Bloom
’s=Level:=3.=Applying
11. Compared=with=projection=neurons,=axons=of=local=circuit=neurons=(interneurons)
a. are=longer.
b. are=shorter.
c. have=more=synapses.
d. have=more=branches.
e. reach=more=postsynaptic=neurons.
=Answer:=b
Textbook=Reference:=Neurons
Bloom’s=Level:=2.=Understanding
12. An=action=potential=is=a(n)
change=in=the=electrical=potential=across=the=nerve=cell=membrane.
a. single
b. all-or-nothing
c. permanent
d. random
e. unidirectional
=Answer:=b
Textbook=Reference:=Neurons=Bloom
’s=Level:=1.=Remembering
13. The=part=of=a=synapse=to=which=the=contents=of=synaptic=vesicles=bind=is=called=the
a. presynaptic=terminal.
b. synaptic=ending.
c. axon=terminal.