Test Bank Neuroscience 6th Edition by Dale Purves, George

Test Bank Neuroscience 6th Edition by Dale Purves, George Augustine, David Fitzpatrick, William Hall, Anthony-Samuel LaMantia, Richard Mooney, Michael Platt, Leonard White (All Chapters)

Chapter 1: Studying the Nervous System

Multiple Choice

• Which part of DNA is transcribed into messenger RNA?
• Exon
• Intron
• Promoter
• Non-coding DNA
• Regulatory DNA

Answer: a

Textbook Reference: Genetics and Genomics

Bloom’s Level: 2. Understanding

• Genomics is the analysis of
• coding DNA sequences for a species.
• regulatory DNA sequences for an individual organism and a species.
• coding and regulatory DNA sequences for a species.
• coding and regulatory DNA sequences for an individual organism.
• coding and regulatory DNA of an individual organism or a species.

Answer: e

Textbook Reference: Genetics and Genomics

Bloom’s Level: 1. Remembering

• Which of Camillo Golgi’s contributions enabled Santiago Ramón y Cajal to make

observations that suggested that nerve cells are discrete entities?

• Articulation of the neuron doctrine
• Identifying the organelle later called the Golgi apparatus
• Development of a staining method based on impregnation with silver salts
• Improving the understanding of the pathophysiology of malaria
• Articulation of the reticular theory of nerve cell communication

Answer: c

Textbook Reference: Cellular Components of the Nervous System

Bloom’s Level: 2. Understanding

• The major proponent(s) of the neuron doctrine was(were)
• Camillo Golgi.
• Santiago Ramón y Cajal.
• Charles Sherrington. 1 / 4

• Santiago Ramón y Cajal and Charles Sherrington.
• Camillo Golgi and Santiago Ramón y Cajal.

Answer: d

Textbook Reference: Cellular Components of the Nervous System

Bloom’s Level: 1. Remembering

• Which function is a characteristic primarily of neurons only, and not glia?
• Transmits action potentials
• Supports electrical signals
• Repairs the nervous system
• Prevents regeneration of the nervous system
• Produces myelin

Answer: a

Textbook Reference: Cellular Components of the Nervous System

Bloom’s Level: 1. Remembering

• In which part of a neuron would most of the endoplasmic reticulum be concentrated?
• Postsynaptic terminal
• Presynaptic terminal
• Axon
• Cell body
• Dendrite

Answer: d

Textbook Reference: Cellular Components of the Nervous System

Bloom’s Level: 1. Remembering

• Which intracellular component facilitates the processes of endocytosis and exocytosis

underlying synaptic communication?

• Mitochondria
• Endoplasmic reticulum
• Cytoskeleton
• Golgi apparatus
• Nucleus

Answer: c

Textbook Reference: Cellular Components of the Nervous System

Bloom’s Level: 2. Understanding

• Most neurons have
• one axon hillock (initial segment).
• multiple axon hillocks (initial segments).
• one dendrite.
• one axon hillock (initial segment) and one dendrite.
• multiple axon hillocks (initial segments) and one dendrite.

Answer: a

Textbook Reference: Neurons

Bloom’s Level: 1. Remembering 2 / 4

• Which statement best describes the function of a neuron with multiple, highly

branched dendrites and one axon?

• It passes information directly to multiple neurons.
• It cannot integrate information from multiple neurons.
• It receives information from only one other neuron.
• It integrates information from many neurons.
• The information it receives will not be relayed.

Answer: d

Textbook Reference: Neurons

Bloom’s Level: 3. Applying

• Which statement best describes most neurons?
• They receive information via axons.
• They transmit information to other cells via dendrites.
• They are polarized.
• They conduct signals bidirectionally.
• They transmit electrical signals via cytoplasmic continuity.

Answer: c

Textbook Reference: Neurons

Bloom’s Level: 3. Applying

• Compared with projection neurons, axons of local circuit neurons (interneurons)
• are longer.
• are shorter.
• have more synapses.
• have more branches.
• reach more postsynaptic neurons.

Answer: b

Textbook Reference: Neurons

Bloom’s Level: 2. Understanding

• An action potential is a(n) _______ change in the electrical potential across the nerve

cell membrane.

• single
• all-or-nothing
• permanent
• random
• unidirectional

Answer: b

Textbook Reference: Neurons

Bloom’s Level: 1. Remembering

• The part of a synapse to which the contents of synaptic vesicles bind is called the
• presynaptic terminal.
• synaptic ending. 3 / 4

• axon terminal.
• terminal bouton.
• receptor.

Answer: e

Textbook Reference: Neurons

Bloom’s Level: 1. Remembering

• Which cell produces myelin in the nerves of the peripheral nervous system?
• Astrocyte
• Neuron
• Schwann cell
• Microglia
• Neural progenitor cell

Answer: c

Textbook Reference: Glial Cells

Bloom’s Level: 1. Remembering

• Which glial cell type serves as a resident immune cell in the central nervous system?
• Glial stem cell
• Astrocyte
• Microglia
• Oligodendrocyte
• Schwann cell

Answer: c

Textbook Reference: Glial Cells

Bloom’s Level: 1. Remembering

• In the mature central nervous system, glial stem cells with the properties of astrocytes

can give rise to

• astrocytes.
• neurons.
• oligodendrocytes.
• astrocytes and oligodendrocytes.
• astrocytes, oligodendrocytes, and neurons.

Answer: e

Textbook Reference: Glial Cells

Bloom’s Level: 1. Remembering

• Refer to the figure.
• / 4