McGraw-Hill OnlineMcGraw-Hill Higher EducationLearning Center
Student Center | Instructor Center | Information Center | Home
Essential Study Partner
GetBodySmart
BioCourse.com
Human Body Case Studies
Animation Activities
Laboratory Exercises
Course Tools
Medical Term Combining Forms
Study Skills
Career Information
Multiple Choice Quiz
Feedback Multiple Choice Quiz
True or False Quiz
Feedback True or False Quiz
Chapter Summary
Study Outline
Student Study Guide
Labeling Exercises
Crossword Puzzles
Flashcards
Concentration
Clinical Applications
Case Study One
Case Study Two
Case Study Three
Internet Activities
Chapter Weblinks
Feedback
Help Center


Human Anatomy, 6/e
Kent Van De Graaff, Weber State University

Nervous Tissue and the Central Nervous System

Feedback Multiple Choice Quiz

Please answer all questions. The numbers at the end of each question refer to the textbook page where the question topic is discussed.



1

The central nervous system (CNS) includes the (345)
A)brain and cranial nerves
B)brain and spinal nerves
C)brain and spinal cord
D)brain only
2

The portion of the nervous system considered a functional subdivision is the (345)
A)autonomic nervous system
B)ganglionic division
C)peripheral nervous system
D)spianchnic nervous system
3

Which of the following is not a function of the CNS? (345)
A)orienting the body
B)coordinating and controlling body activities
C)assimilating experiences
D)programming instinctual behavior
E)all of the above are functions of the CNS
4

Of the five regions of the brain, the one that does not differentiate from a developmental region having a different name is the (347)
A)mesencephalon
B)metencephalon
C)diencephalon
D)telencephalon
E)myelencephalon
5

The cerebral hemispheres are located within the (347)
A)diencephalon
B)telencephalon
C)metencephalon
D)myelencephalon
E)mesencephalon
6

The spinal cord attaches to the brain at the region of the (347)
A)mesencephalon
B)metencephalon
C)diencephalon
D)telencephalon
E)myelencephalon
7

Which of the following is not true of neurons? (348)
A)They respond to physical and chemical stimuli.
B)They are the most abundant cells of nervous tissue.
C)They all conduct nerve impulses.
D)They all release chemical regulators.
E)They cannot divide mitotically.
8

Which two terms refer to clusters of cell bodies of neurons in the CNS and PNS, respectively? (348)
A)nuclei and ganglia
B)chromatophilic substances and neuroglia
C)neurofibrils and ganglia
D)perikarya and ganglia
E)nuclei and neuroglia
9

Which of the following is not an actual structural component of a neuron or an organelle within a neuron? (348)
A)a dendrite
B)a nerve fiber
C)an axon
D)a chromatophilic substance
E)a neurolemmocyte
10

The neuroglia that form myelin in the CNS and guide the development of neurons in the CNS are (351)
A)neurolemmocytes
B)microglia
C)oligodendrocytes
D)astrocytes
E)ependymal cells
11

Which of the following is not a type of neuron? (352)
A)an afferent neuron
B)a multipolar neuron
C)a pseudounipolar neuron
D)an unipolar neuron
E)an association neuron
12

During depolarization of an axon, (357)
A)the cell wall becomes impermeable to ionic movement
B)Na moves into the cell and K moves out of the cell
C)there is equalization of ionic concentration on both sides of the cell membrane
D)Na moves out of the cell and K moves into the cell
13

Which of the following statements is incorrect concerning a nerve impulse? (357)
A)It travels in only one direction.
B)It is an all-or-none response.
C)It is the actual movement of Na and K ions.
D)It always progresses from dendrites, to cell body, to axon.
E)All of the statements are true.
14

The speed of a nerve impulse is determined by all of the following except the (357)
A)diameter of a nerve fiber
B)intensity of a stimulus
C)presence of myelin
D)thickness of myelin
15

Synaptic transmission is made possible by (358)
A)membrane transport
B)an ion pump
C)saltatory conduction
D)neurotransmitters
16

Cerebrospinal fluid would not be found in the (358)
A)cerebral arterial circle
B)lateral ventricle
C)subarachnoid space
D)central canal
17

Which of the following is not composed of gray matter? (359)
A)nuclei
B)the cerebral cortex
C)the cerebellar cortex
D)the optic tract
18

Which two measurements relate to the adult human brain? (359)
A)0.5 kg/1 billion neurons
B)1.0 kg/10 billion neurons
C)1.5 kg/100 billion neurons
D)2 kg/1 trillion neurons
E)5 kg/10 trillion neurons
19

Which of the following statements is false regarding the cerebrum? (362)
A)It is located within the diencephalon.
B)It contains the lateral ventricles.
C)It accounts for 80% of the brain's mass.
D)It is convoluted at the cerebral cortex.
E)It is composed of five paired lobes.
20

The right and left cerebral hemispheres are incompletely separated by a (363)
A)central sulcus
B)corpus callosum
C)sagittal fissure
D)longitudinal cerebral fissure
21

Which of the following is not a paired cerebral lobe? (363)
A)occipital lobe
B)temporal lobe
C)parietal lobe
D)frontal lobe
E)all of the lobes of the cerebrum are paired.
22

The precentral gyrus is an important motor area located within the (363)
A)occipital lobe
B)sphenoidal lobe
C)temporal lobe
D)parietal lobe
E)frontal lobe
23

The specific area of the cerebrum that interprets sensory impulses, known as somatesthetic sensations is the (363)
A)postcentral gyrus
B)motor speech area
C)consciousness center
D)holistic center
E)thalamus
24

Which association of a cerebral lobe with a function is incorrect? (366)
A)parietal lobe and speech
B)frontal lobe and voluntary motor control
C)insula lobe and visual perception
D)temporal lobe and auditory perception
E)occipital lobe and eye focusing
25

An EEG pattern of 1 to 5 cycles/second in an asleep adult would be identified as (368)
A)alpha waves
B)beta waves
C)theta waves
D)delta waves
26

Fiber tracts that connect one cerebral lobe to another within the same hemisphere are known as (368)
A)association fibers
B)projection fibers
C)commissural fibers
27

Motor dysfunction, including rigidity, tremor, and rapid aimless movement, is the result of neural diseases or physical trauma to the (369)
A)motor speech area
B)postcentral gyrus
C)tentorium cerebelli
D)basal nuclei
28

A structure that is not located in the diencephalon is the (374)
A)thalamus
B)pituitary gland
C)hypothalamus
D)pons
E)epithalamus
29

Which of the following is not regulated by the hypothalamus? (373)
A)respiration
B)heartbeat
C)body temperature
D)sleep
E)electrolyte balance
30

The pituitary stalk supports the (373)
A)pineal gland
B)hypothalamus
C)thalamus
D)choroid plexus
E)pituitary gland
31

The pineal gland (373)
A)extends from the posterior end of the epithalamus
B)produces cerebrospinal fluid
C)has a neuroendocrine function
D)produces antidiuretic hormone (ADH)
E)both a and c
32

Which of the following structures is (are) not located in the metencephalon? (374)
A)fourth ventricle
B)pons
C)cerebellum
D)cerebellar peduncles
E)all are located in the metencephalon
33

The respiratory center(s) of the pons is (are) called the (374)
A)apneustic area
B)pulmonic area
C)pleura area
D)pneumotaxic area
E)both a and d
34

The arbor vitae are (375)
A)tracts of white matter
B)convoluted ridges
C)connecting tubules
D)nuclei within the cerebellum
35

Which of the following statements is false concerning the cerebellum? (375)
A)It has an outer layer of white matter.
B)It functions with the pons as a respiratory center.
C)It communicates with the rest of the brain through the cerebellar peduncles.
D)It consists of two hemispheres.
E)None of the above
36

The crossing over of projection fibers within the medulla oblongata is referred to as (369)
A)decussation
B)chiasma
C)extensor connection
D)internunciation
37

A cranial nerve that does not arise in the medulla oblongata is the (376)
A)vagus nerve
B)hypoglossal nerve
C)accessory nerve
D)facial nerve
E)glossopharyngeal nerve
38

Which of the following statements concerning the medulla oblongata is false? (376)
A)It contains the fourth ventricle.
B)It is a cardiac center in conjunction with the hypothalamus.
C)It is located within the myelencephalon.
D)It secretes hormones along with the pituitary gland.
E)It is a respiratory center in conjunction with the pons.
39

The reticular formation (377)
A)arouses the cerebrum
B)regulates digestion
C)contains motor nuclei
D)regulates body temperature
40

The meninx closest to the brain is the (378)
A)dura mater
B)pia mater
C)arachnoid mater
D)ligamentum denticulatum
41

Which of the following is not a specialized extension of the dura mater? (379)
A)falx cerebelli
B)falx cerebri
C)tentorium cerebelli
D)ligamentum denticulatum
E)diaphragm sellae
42

Enclosed regions of the meninges that collect venous blood and drain it to the internal jugular veins of the neck are called (378)
A)arachnoid villi
B)epidural spaces
C)subarachnoid spaces
D)dural sinuses
43

Which of the ventricles of the brain is (are) unpaired? (381)
A)first
B)second
C)third
D)fourth
E)both third and fourth
44

Which of the following statements is false concerning cerebrospinal fluid (CSF)? (382)
A)It is produced by neuroglia within the choroid plexus.
B)It cushions and buoys the CNS.
C)It has a density close to that of brain tissue.
D)It drains from the CNS at the arachnoid villi.
45

Which of the following would not be found in cerebrospinal fluid? (382)
A)Na+
B)urea
C)white blood cells
D)red blood cells
E)H+
46

Which of the following statements is false concerning the spinal cord? (384)
A)The spinal cord terminates at the conus medullaris.
B)There are enlargements of the spinal cord at each vertebral segment.
C)The gray matter is H-shaped and deep to the white matter.
D)The spinal cord ends at the level of L1.
E)Projections of the gray matter within the spinal cord are called horns.
47

The columns of white matter in the spinal cord are called (386)
A)funiculi
B)cords
C)fasciculi
D)bundles
E)pillars
48

The corticospinal tracts (386)
A)descend directly from the cerebral cortex to the lower motor neurons without interruption
B)all decussate (cross over) within the medulla oblongata
C)synapse within the spinal cord
D)serve only the upper extremities
49

The extrapyramidal tracts (389)
A)originate in the cerebral cortex
B)consist of reticulospinal tracts, vestibulospinal tracts, and rubrospinal tracts
C)serve only the upper extremities
D)are both motor and sensory
E)both b and d