1. Synaptic vesicles are found in the
a. cell body.
b. dendritic spines.
c. axon hillock.
d. synaptic boutons. Answer: d
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... [Show More] Specialized Cells Make Up the Nervous System Bloom’s Level: 1. Remembering
2. Which neurons can collect the most information?
a. Bipolar
b. Monopolar
c. Multipolar
d. Unipolar Answer: c
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3. The major function of Schwann cells is the
a. transmission of nutrients to neurons.
b. myelination of peripheral nerve fibers.
c. scavenging of cellular debris.
d. myelination of axons in the brain. Answer: b
Textbook Reference: Specialized Cells Make Up the Nervous System Bloom’s Level: 1. Remembering
4. During multiple sclerosis, myelin in the brain is lost. Which cells would be most likely to be trying to replace lost myelin in the brain?
a. Oligodendrocytes
b. Schwann cells
c. Astrocytes
d. Both a and b Answer: a
Textbook Reference: Specialized Cells Make Up the Nervous System Bloom’s Level: 4. Analyzing
5. The size range of most neuronal cell bodies is a. 1‒10 m.
b. 1‒10 mm.
c. 10‒100 nm.
d. 10‒100 m.
Answer: d
Textbook Reference: Specialized Cells Make Up the Nervous System Bloom’s Level: 1. Remembering
6. Which histological technique is used for tract tracing?
a. Horseradish peroxidase stain
b. In situ hybridization
c. Golgi stain
d. Nissl stain Answer: a
Textbook Reference: Specialized Cells Make Up the Nervous System Bloom’s Level: 1. Remembering
7. The human brain contains
a. 100‒150 billion circuits.
b. 100‒150 billion neurons.
c. 100‒150 million neurons.
d. 100‒150 million glial cells. Answer: b
Textbook Reference: Specialized Cells Make Up the Nervous System Bloom’s Level: 1. Remembering
8. The neuron doctrine
a. was confirmed using electron microscopy.
b. proposed the existence of synaptic contacts between neurons.
c. stemmed from the work of the great neuroanatomist Ramón y Cajal.
d. All of the above Answer: d
Textbook Reference: Specialized Cells Make Up the Nervous System Bloom’s Level: 4. Analyzing
9. The gaps between segments of myelin are known as
a. synaptic clefts.
b. nodes of Ranvier.
c. terminal boutons.
d. neuromuscular junctions. Answer: b
Textbook Reference: Specialized Cells Make Up the Nervous System
Bloom’s Level: 1. Remembering
10. A collection of cell bodies in the nervous system is known as a
a. nodule.
b. nucleus.
c. fiber.
d. plexus. Answer: b
Textbook Reference: Specialized Cells Make Up the Nervous System Bloom’s Level: 2. Understanding
11. The range of diameters of mammalian axons is a. 1‒10 mm.
b. 0.5‒20 m.
c. 0.05‒2.0 m.
d. 100‒300 m.
Answer: b
Textbook Reference: Specialized Cells Make Up the Nervous System Bloom’s Level: 1. Remembering
12. The width of the synaptic cleft is about
a. 200 nm.
b. 200 m.
c. 20 m.
d. 20 nm. Answer: d
Textbook Reference: Specialized Cells Make Up the Nervous System Bloom’s Level: 1. Remembering
13. In which way(s) are dendrites and axons similar?
a. Both are characterized by branching.
b. They have similar lengths.
c. Both exhibit a tapering of diameter with increasing distance from the cell body.
d. All of the above Answer: a
Textbook Reference: Specialized Cells Make Up the Nervous System Bloom’s Level: 2. Understanding
14. The “giant” axons of some invertebrate animals can have diameters as large as
a. 20 m.
b. 1 mm.
c. 500 m.
d. 20 nm. Answer: c
Textbook Reference: Specialized Cells Make Up the Nervous System Bloom’s Level: 1. Remembering
15. Dendrites are
a. a type of glial cell.
b. the input zone of a nerve cell.
c. the output zone of a nerve cell.
d. small cerebellar neurons. Answer: b
Textbook Reference: Specialized Cells Make Up the Nervous System Bloom’s Level: 1. Remembering
16. Some neurons lack which component?
a. Myelin
b. Dendrite
c. Axon
d. Nucleus Answer: a
Textbook Reference: Specialized Cells Make Up the Nervous System Bloom’s Level: 2. Understanding
17. Which statement does not describe a reason that tract-tracing studies have been difficult to perform?
a. Fibers with different destinations often travel together.
b. Axons have very small diameters and therefore are hard to see.
c. Axons from different sources look alike.
d. All of the above are reasons for the difficulty. Answer: d
Textbook Reference: Specialized Cells Make Up the Nervous System Bloom’s Level: 3. Applying
18. Synaptic boutons are
a. found within synaptic vesicles.
b. protrusions occurring along the length of dendrites.
c. swellings found at axon terminals.
d. specialized synapses occurring on muscles. Answer: c
Textbook Reference: Specialized Cells Make Up the Nervous System Bloom’s Level: 1. Remembering
19. Which type of cell gives rise to brain tumors?
a. Pyramidal cells
b. Multipolar cells
c. Glial cells
d. Granule cells Answer: c
Textbook Reference: Specialized Cells Make Up the Nervous System Bloom’s Level: 1. Remembering
20. The “slow” rate of axonal transport is
a. 400 mm/day.
b. 1 m/day.
c. less than 8 mm/day.
d. 40 mm/day.
Answer: c
Textbook Reference: Specialized Cells Make Up the Nervous System Bloom’s Level: 1. Remembering
21. Which statement about dendritic spines is true?
a. Alzheimer’s disease is associated with a pathological change in dendritic spines.
b. Dendritic spines are outgrowths on the surface of dendrites that are modified by experience.
c. Dendritic spines are neuronal structures found along the axon..
d. Only the structure of dendritic spines can be altered by experience. Answer: b
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22. Which glial cells have sucker-like extensions that contact blood vessels?
a. Oligodendrocytes
b. Astrocytes
c. Microglial cells
d. Stellate cells Answer: b
Textbook Reference: Specialized Cells Make Up the Nervous System Bloom’s Level: 1. Remembering
23. Most neurons
a. receive input related to changes in the environment.
b. are classified as motoneurons.
c. are classified as sensory neurons.
d. are classified as interneurons. Answer: d
Textbook Reference: Specialized Cells Make Up the Nervous System Bloom’s Level: 1. Remembering
24. The electrical impulse that stimulates neurotransmitter release, thereby transmitting information to other neurons, arises in the
a. dendrites.
b. axon hillock.
c. axon.
d. dendritic spine. Answer: b
Textbook Reference: Specialized Cells Make Up the Nervous System Bloom’s Level: 2. Understanding
25. Which statement about dendrites is false?
a. A single cell’s dendrites form a dendritic tree.
b. The diversity of neuronal shapes is caused primarily by variation in the form and shape of dendrites.
c. Dendrites may be several meters in length in giraffes.
d. Dendritic spines appear to be subject to modification as a result of experience. Answer: c
Textbook Reference: Specialized Cells Make Up the Nervous System Bloom’s Level: 3. Applying
26. Which three cranial nerves are involved in the control of eye movements?
a. Oculomotor, trochlear, vagus
b. Oculomotor, trochlear, abducens
c. Trochlear, abducens, vagus
d. Abducens, oculomotor, vagus Answer: b
Textbook Reference: The Nervous System Consists of Central and Peripheral Divisions Bloom’s Level: 3. Applying
27. The pons is part of the
a. diencephalon.
b. mesencephalon.
c. metencephalon.
d. myelencephalon.
Answer: c
Textbook Reference: The Nervous System Consists of Central and Peripheral Divisions Bloom’s Level: 2. Understanding
28. How many pairs of spinal nerves do humans have?
a. It varies, depending on an individual’s age and height.
b. 5
c. 12
d. 31 Answer: d
Textbook Reference: The Nervous System Consists of Central and Peripheral Divisions Bloom’s Level: 1. Remembering
29. The left and right portions of the body are divided by the plane.
a. sagittal
b. frontal
c. coronal
d. horizontal Answer: a
Textbook Reference: The Nervous System Consists of Central and Peripheral Divisions Bloom’s Level: 1. Remembering
30. Which cranial nerve carries both motor and sensory information?
a. Facial
b. Olfactory
c. Optic
d. Hypoglossal Answer: a
Textbook Reference: The Nervous System Consists of Central and Peripheral Divisions Bloom’s Level: 3. Applying
31. The four major lobes of the cerebral cortex are named for
a. the skull bones lying over them.
b. their anatomical positions relative to one another.
c. their major functions.
d. their gross appearance. Answer: a
Textbook Reference: The Nervous System Consists of Central and Peripheral Divisions Bloom’s Level: 1. Remembering
32. In which plane of section would it be easiest to see the corpus callosum?
a. Sagittal cut directly down the midline
b. Horizontal cut at the level of the brainstem
c. Coronal cut at the level of the cerebellum
d. Sagittal cut at the level of the temporal lobe Answer: a
Textbook Reference: The Nervous System Consists of Central and Peripheral Divisions Bloom’s Level: 3. Applying
33. The brainstem contains which structure?
a. Medulla
b. Inferior colliculus
c. Corpus callosum
d. Central sulcus Answer: a
Textbook Reference: The Nervous System Consists of Central and Peripheral Divisions Bloom’s Level: 3. Applying
34. The preganglionic neurons of the sympathetic nervous system are found in the
a. basal ganglia.
b. sympathetic chain.
c. spinal cord.
d. muscles. Answer: c
Textbook Reference: The Nervous System Consists of Central and Peripheral Divisions Bloom’s Level: 2. Understanding
35. Which response is a consequence of sympathetic activation?
a. Increased salivation
b. Increased heart rate
c. Decreased blood pressure
d. Increased digestion Answer: b
Textbook Reference: The Nervous System Consists of Central and Peripheral Divisions Bloom’s Level: 3. Applying
36. The ridges of tissue on the convoluted surface of the cortex are called
a. gyri.
b. sulci.
c. nuclei.
d. ganglia. Answer: a
Textbook Reference: The Nervous System Consists of Central and Peripheral Divisions Bloom’s Level: 1. Remembering
37. How much of the surface of the cortex is hidden within the convolutions of the brain?
a. 2%
b. 25%
c. 33%
d. 66%
Answer: d
Textbook Reference: The Nervous System Consists of Central and Peripheral Divisions Bloom’s Level: 1. Remembering
38. Which region of the cortex is crucial for motor control?
a. Postcentral gyrus
b. Parietal lobe
c. Precentral gyrus
d. Prefrontal cortex [Show Less]