, Chapter 1: Studying the Nervous System
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
Bloom’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
Bloom’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
Bloom’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
Bloom’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
Bloom’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 istatement ibest idescribes ithe ifunction iof ia ineuron iwith imultiple,
ihighly ibranched idendrites iand ione iaxon?
a. It ipasses iinformation idirectly ito imultiple ineurons.
b. It icannot iintegrate iinformation ifrom imultiple ineurons.
c. It ireceives iinformation ifrom ionly ione iother ineuron.
d. It iintegrates iinformation ifrom imany ineurons.
e. The iinformation iit ireceives iwill inot ibe
irelayed. iAnswer: id
Textbook iReference: iNeurons
iBloom’s iLevel: i3. iApplying
10. Which istatement ibest idescribes imost ineurons?
a. They ireceive iinformation ivia iaxons.
b. They itransmit iinformation ito iother icells ivia idendrites.
c. They iare ipolarized.
d. They iconduct isignals ibidirectionally.
e. They itransmit ielectrical isignals ivia icytoplasmic
icontinuity. iAnswer: ic
Textbook iReference: iNeurons
iBloom’s iLevel: i3. iApplying
11. Compared iwith iprojection ineurons, iaxons iof ilocal icircuit ineurons i(interneurons)
a. are ilonger.
b. are ishorter.
c. have imore isynapses.
d. have imore ibranches.
e. reach imore ipostsynaptic
ineurons. iAnswer: ib
Textbook iReference: iNeurons
Bloom’s iLevel: i2. iUnderstanding
12. An iaction ipotential iis ia(n) change iin ithe ielectrical ipotential iacross ithe
inerve icell imembrane.
a. single
b. all-or-nothing
c. permanent
d. random
e. unidirectional
iAnswer: ib
Textbook iReference: iNeurons
iBloom’s iLevel: i1. iRemembering
13. The ipart iof ia isynapse ito iwhich ithe icontents iof isynaptic ivesicles ibind iis icalled ithe
a. presynaptic iterminal.
b. synaptic iending.
c. axon iterminal.