Neuroscience 6th Edition Purves Test Bank

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, Test Bank ix



to accompany ix



Neuroscience, Sixth Edition ix ix



Purves • Augustine • Fitzpatrick • Hall • LaMantia • Mooney • Platt • White
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Chapter 1: Studying the Nervous System ix ix ix ix ix




Multiple Choice ix




1. Which part of DNA is transcribed into messenger RNA?
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a. Exon
b. Intron
c. Promoter
d. Non-coding DNA ix



e. RegulatoryDNA ix



Answer: a
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Textbook Reference: Genetics and Genomics
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Bloom’s Level: 2. Understanding
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2. Genomics is the analysis of ix ix ix ix



a. coding DNA sequences for a species.
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b. regulatory DNA sequences for an individual organism and a species.
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c. coding and regulatory DNA sequences for a species.
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d. coding and regulatory DNA sequences for an individual organism.
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e. coding and regulatory DNA of an individual organism or a
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species. Answer: e
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Textbook Reference: Genetics and Genomics
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Bloom’s Level: 1. Remembering
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3. Which of Camillo Golgi’s contributions enabled Santiago Ramón y Cajal to
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make observations that suggested that nerve cells are discrete entities?
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a. Articulation of the neuron doctrine ix ix ix ix



b. Identifying the organelle later called the Golgi apparatus
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c. Development of a staining method based on impregnation with silver salts
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d. Improving the understanding of the pathophysiology of malaria
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e. Articulation of the reticular theory of nerve cellix ix ix ix ix ix ix



communication Answer: c
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Textbook Reference: Cellular Components of the Nervous System
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Bloom’s Level: 2. Understanding
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4. The major proponent(s) of the neuron doctrine was(were)
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a. Camillo Golgi. ix



b. Santiago Ramón y Cajal. ix ix ix



c. Charles Sherrington.
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d. Santiago Ramón y Cajal and Charles Sherrington.
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, e. Camillo Golgi and Santiago Ramón y ix ix ix ix ix



Cajal. Answer: d
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Textbook Reference: Cellular Components of the Nervous System
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Bloom’s Level: 1. Remembering
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5. Which function is a characteristic primarily of neurons only, and not glia?
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a. Transmits action potentials ix ix



b. Supports electrical signals ix ix



c. Repairs the nervous system ix ix ix



d. Prevents regeneration of the nervous system ix ix ix ix ix



e. Produces myelin ix



Answer: a
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Textbook Reference: Cellular Components of the Nervous System
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Bloom’s Level: 1. Remembering
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6. In which part of a neuron would most of the endoplasmic reticulum be concentrated?
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a. Postsynaptic terminal ix



b. Presynaptic terminal ix



c. Axon
d. Cell body ix



e. Dendrite
Answer: d
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Textbook Reference: Cellular Components of the Nervous System
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Bloom’s Level: 1. Remembering
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7. Which intracellular component facilitates the processes of endocytosis and
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exocytosis underlying synaptic communication?
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a. Mitochondria
b. Endoplasmic reticulum ix



c. Cytoskeleton
d. Golgi apparatus ix



e. Nucleus
Answer:
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c
Textbook Reference: Cellular Components of the Nervous System
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Bloom’s Level: 2. Understanding
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8. Most neurons haveix ix



a. one axon hillock (initial segment).
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b. multiple axon hillocks (initial segments). ix ix ix ix



c. one dendrite.
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d. one axon hillock (initial segment) and one dendrite.
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e. multiple axon hillocks (initial segments) and one
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dendrite. Answer: a
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Textbook Reference: Neurons ix ix



Bloom’s Level: 1. Remembering
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, 9. Which statement best describes the function of a neuron with multiple,
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highly branched dendrites and one axon?
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a. It passes information directly to multiple neurons.
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b. It cannot integrate information from multiple neurons.
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c. It receives information from only one other neuron.
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d. It integrates information from many neurons.
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e. The information it receives will not be
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relayed. Answer: d
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Textbook Reference: Neurons ix ix



Bloom’s Level: 3. Applying
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10. Which statement best describes most neurons?
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a. They receive information via axons.
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b. They transmit information to other cells via dendrites.
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c. They are polarized. ix ix



d. They conduct signals bidirectionally.
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e. They transmit electrical signals via cytoplasmic
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continuity. Answer: c
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Textbook Reference: Neurons ix ix



Bloom’s Level: 3. Applying
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11. Compared with projection neurons, axons of local circuit neurons (interneurons)
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a. are longer.
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b. are shorter.
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c. have more synapses. ix ix



d. have more branches. ix ix



e. reach more postsynaptic neurons.
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Answer: b
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Textbook Reference: Neurons ix ix



Bloom’s Level: 2. Understanding ix ix ix




12. An action potential is a(n)
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nerve cell membrane.
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a. single
b. all-or-nothing
c. permanent
d. random
e. unidirectional
Answer: b
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Textbook Reference: Neurons ix ix



Bloom’s Level: 1. Remembering
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13. The part of a synapse to which the contents of synaptic vesicles bind is called the
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a. presynaptic terminal. ix



b. synaptic ending. ix



c. axon terminal. ix




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