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