Chapter 12-13

Front 1

Neurons in an adult human being are capable of mitosis. (True or False)

Back 1

False

Front 2

Astrocytes help protect the central nervous system from toxins. (True or False)

Back 2

True

Front 3

The Ventricles of the brain are filled with synovial fluid. (True or False)

Back 3

False

Front 4

The thoracic region of the spinal cord is part of the central nervous system. (True or False)

Back 4

True

Front 5

Astrocytes produce myelin. (True or False)

Back 5

False

Front 6

Epineurium surrounds individual nerve fibers. (True or False)

Back 6

False

Front 7

Repolarization of a nerve cell after a neural impulse involves the movement of potassium ions out of the cell. (True or False)

Back 7

True

Front 8

The mesencephalon area of the neural tube develops into the brain region known as the midbrain. (True or False)

Back 8

True

Front 9

At rest, potassium ions are more highly concentrated inside the nerve cell than outside. (True or False)

Back 9

True

Front 10

The thermostat of the human body is located in the hypothalamus. (True or False)

Back 10

True

Front 11

Conduction of a neural impulse involves the movement of sodium and postassium ions into the nerve cell. (True or False)

Back 11

False

Front 12

Neurons are mononucleated. (True or False)

Back 12

True

Front 13

A ganglion is defined as a collection of nerve cell axons. (True or False)

Back 13

False

Front 14

The human cerebrum contains two temporal lobes. (True or False)

Back 14

True

Front 15

The sacral region of the spinal cord is part of the peripheral nervous system. (True or False)

Back 15

False

Front 16

A cut nerve axon may be capable of regeneration. (True or False)

Back 16

True

Front 17

In the adult human, the spinal cord ends at the proximal portion of the __________ region of the vertebral column.

Back 17

lumbar

Front 18

The choroid plexus produces __________ fluid.

Back 18

cerebrospinal

Front 19

Vision is a primary function of the __________ lobe of the cerebrum.

Back 19

occipital

Front 20

A network of interlaced neurons is called a __________.

Back 20

plexus

Front 21

A nerve that stimulates contraction of skeletal muscles is called a __________ nerve.

Back 21

somatic

Front 22

A sensory nerve fiber is also called an __________ fiber.

Back 22

afferent

Front 23

The study of the nervous system is called __________.

Back 23

neurology

Front 24

The star-shaped neroglial cells within the CNS are called __________.

Back 24

astrocytes

Front 25

Name one brain structures arising from the metencephalon. __________

Back 25

cerebellum, pons

Front 26

The region of the forebrain that receives auditory impulses and stores auditory and visual memories is the __________ lobe of the __________.

Back 26

temporal, cerebrum

Front 27

A collection of nerve cell bodies within the central nervous system is called a
a) nucleus
b) plexus
c) ganglion
d) neuroglion
e) megasoma

Back 27

a) nucleus

Front 28

The brainstem is made up of the
a) cerebrum, pons, medulla
b) medulla, pons, cerebellum
c) pons, cerebellum, midbrain
d) midbrain, pons, medulla
e) hypothalamus, thalamus, pituitary

Back 28

d) medulla, pons, cerebellum

Front 29

Multiple sclerosis is a degenerative disease that primarily affects:
a) unmyelinated neurons of the peripheral nervous system
b) myelinated neurons of the central nervous system
c) meylinated neurons of the peripheral nervous system
d) unmyelinated neurons of the central nervous system
e) skeletal muscles

Back 29

b) myelinated neurons of the central nervous system

Front 30

Which of the following statements is/are correct?
a) the inner layer of the spinal cord is composed of white matter
b) the inner layer of the cerebrum is composed of white matter
c) the outer layer of the cerebrum is composed of gray matter
d) a and c are both correct
e) b and c are both correct

Back 30

e) b and c are both correct (the inner later of the cerebrum is composed of white matter and the outer layer of the cerebrum is composed of gray matter)

Front 31

All of the following are true about cerebrospinal fluid EXCEPT:
a) provides nourishment for the brain and spinal cord
b) provides drainage for wastes from the brain and spinal cord
c) fills the subarachnoid space of the brain and spinal cord
d) is secreted by the choroid plexus
e) all of the above are true

Back 31

e) all of the above are true

Front 32

In order from deep (inner) to superficial (outer), the coverings of the brain are:
a) pia mater-arachnoid membrane-dura mater
b) dura mater-pia mater-arachnoid membrane
c) arachnoid membrane-pia mater-dura mater
d) arachnoid membrane-dura mater-pia mater
e) dura mater-arachnoid membrane-pia mater

Back 32

a) pia mater-arachnoid membrane-dura mater

Front 33

The portion of the brain directly inferior to the pons is the
a) cerebellum
b) hypothalamus
c) midbrain
d) cervical spinal cord
e) medulla

Back 33

e) medulla

Front 34

What is the primary function of the limbic region of the CNS?
a) higher brain functions
b) control of visceral organs
c) control of emotions and behavior
d) storage of audiovisual memories
e) balance and coordination

Back 34

c) control of emotions and behavior

Front 35

The CNS region responsible for relay of sensory impulses into the cerebrum is the
a) thalamus
b) septum pellucidum
c) rhinencephalon
d) hypothalamus
e) corpus collosum

Back 35

a) thalamus

Front 36

A frontal lobotomy may result in which of the following:
a) loss of motor control over skeletal muscles
b) loss of hearing
c) loss of speech
d) a and b
e) a and c

Back 36

e) a and c (loss of motor control over skeletal muscles and loss of speech)

Front 37

Parkinson's disease, which is characterized by muscle tremors and muscle rigidity, is caused by degeneration of which structure of the CNS?
a) basal ganglia (basal nuclei)
b) medulla oblongata
c) reticular activating system (reticular formation)
d) thalamus
e) occipital lobe of the cerebrum

Back 37

a) basal ganglia (basal nuclei)

Front 38

Another name for Schawnn cell is:
a) afferent neuron
b) efferent neuron
c) oligodendrocyte
d) neurolemmocyte
e) ependymal cell

Back 38

d) neurolemmocyte

Front 39

The substance which transmits a nerve impulse from one neuron to another across the synapse is
a) sodium
b) potassium
c) calcium
d) neurotransmitter
e) myelin

Back 39

d) neurotransmitter

Front 40

The brainstem contains the
a) midbrain
b) hypothalamus
c) thalamus
d) b and c
e) a, b, and c

Back 40

a) midbrain

Front 41

What is the primary function of the reticular activating system?
a) controls alertness and wakefulness
b) controls the visceral organs
c) controls emotions and behavior
d) stores audiovisual memories
e) is responsible for balance and coordination

Back 41

a) controls alertness and wakefulness

Front 42

The portion of the brain directly inferior to the thalamus is the
a) cerebellum
b) hypothalamus
c) midbrain
d) inferior colliculus
e) medulla oblongata

Back 42

b) hypothalamus

Front 43

Which of the following substances most likely could NOT cross the blood brain barrier?
a) glucose
b) proteins
c) carbon dioxide
d) oxygen
e) sodium ions

Back 43

b) proteins

Front 44

The CNS region responsible for the sense of smell is known as the
a) olfactoencephalon
b) rhinencephalon
c) septum pellucidum
d) paraolfactocampal gyrus
e) corpus collosum

Back 44

b) rhinencephalon

Front 45

An electroencephalogram (EEG) would be of most use in diagnosing
a) heart disease
b) muscular dystrophy
c) epilepsy
d) fibromyositis
e) osteoarthritis

Back 45

c) epilepsy

Front 46

A neurological disorder which interferes with teh ability to speak but does not affect the ability to understand the spoken word would most likely involve dysfunction of the
a) frontal lobe of the cerebrum
b) parietal lobe of the cerebrum
c) temporal lobe of the cerebrum
d) occipital lobe of the cerebrum
e) insular lobe of the cerebrum

Back 46

a) frontal lobe of the cerebrum

Front 47

The superior portion of the embryonic neural tube which develops into the cerebrum is called the
a) mesencephalon
b) metencephalon
c) diencephalon
d) telencephalon
e) myelencephalon

Back 47

d) telencephalon

Front 48

Cerebrospinal fluid (CSF) is formed in the
a) brachial plexus
b) cervical plexus
c) cranial plexus
d) choroid plexus
e) lumbar plexus

Back 48

d) choroid plexis

Front 49

The neuroglial cell whose function is to myelinate neuronal axons in the central nervous system is the
a) satellite cell
b) oligodendrocyte
c) astrocyte
d) microglia
e) Schwann cell

Back 49

b) oligodendrocyte

Front 50

Which of the following could be described as an intracranial tumor?
a) meningioma
b) meningitis
c) poliomyelitis
d) bursitis
e) melanoma

Back 50

a) meningioma