SOSC 1375 Study Guide - Quiz Guide: Headache, Perineurium, Epineurium
7 May 2018
School
Department
Course
Professor
12
Student: _______________________________________________________________________________________
1
.
There are
_____
enlar
g
ements of the s
p
inal cord where nerves su
pp
l
y
in
g
the extremities enter and leave
.
A.
t
wo
B.
t
hree
C. fou
r
D.
f
ive
E. si
x
2
.
The spinal cor
d
A.
c
ontrols the reticular activatin
g
s
y
stem
.
B. stores reflexive memory
.
C. forms memor
y
en
g
rams
.
D.
l
inks the
p
eri
p
heral nervous s
y
stem to the brain
.
E. is characterized by conscious activity
.
3
.
The s
p
inal cord be
g
ins at the
A.
c
erebellum
.
B.
m
edulla oblon
g
ata
.
C. foramen ma
g
num
.
D.
c
onus medullaris
E. 1st cervical vertebrae
.
4
.
The conus medullaris
A.
a
nchors the s
p
inal cord to the cocc
y
x
.
B. is a tapered, cone like region immediately inferior to the lumbar enlargement
.
C.
m
arks the exit of nerves to the upper extremity
.
D.
i
s located ad
j
acent to the foramen ma
g
num
.
E. is inferior to the cauda e
q
uina
.
5
.
The s
p
inal cord ends at the
A. sacrum
.
B. coccyx
.
C. 5th lumbar vertebrae
.
D.
2
nd lumbar vertebrae
.
6
.
The thickest of the menin
g
es is the
A.
p
ia mater
.
B. arachnoid mater
.
C. subdural s
p
ace
.
D. subarachnoid space
.
E. dura mater
.
7
.
The sac surrounding the spinal cord is the
A.
d
ural sac
.
B.
m
enin
g
eal sac
.
C.
t
hecal sac
.
D.
ep
idural sac
.
8
.
The middle, thin, spider-like meninx is the
A.
d
ura mater
.
B.
p
ia mater
.
C. ectomater
.
D.
a
rachnoid mater
.
9
.
What space, found between the vertebral wall and the dura mater, is the area for injecting anesthesia for childbirth
?
A. subarachnoid s
p
ace
B. subdural space
C. epidural space
D.
ep
i
p
ial s
p
ace
10
.
During a spinal tap, cerebrospinal fluid is obtained from which of the following locations
?
A.
d
ural sinus
B. epidural space
C. subarachnoid s
p
ace
D. subdural s
p
ace
E. sagittal sinus
11
.
What structure anchors the thecal sac and conus medullaris to the cocc
y
x
?
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f
32
A.
f
ilum terminale
B. denticulate li
g
aments
C.
p
ia mater
D.
c
auda equin
a
12
.
Where is cerebros
p
inal fluid found around the s
p
inal cord
?
A. subdural space
B. e
p
idural s
p
ace
C.
t
hecal sac
D. subarachnoid space
13
.
Which of the followin
g
is false
?
A.
T
he dorsal root of the s
p
inal cord conve
y
s sensor
y
(
afferent
)
nerve im
p
ulses to the s
p
inal cord
.
B. The
p
osterior horn of the cord contains the cell bodies of motor neurons
.
C. The ventral root is formed by the axons of neurons in the lateral and anterior horns
.
D.
T
he dorsal and ventral roots unite to form spinal nerves
.
E. The ventral root of the s
p
inal cord conve
y
s motor
(
efferent
)
nerve im
p
ulses awa
y
from the s
p
inal cord
.
14
.
The ventral root of a spinal nerve contains
A.
o
nl
y
sensor
y
fibers
.
B. only motor fibers
.
C. only afferent fibers
.
D.
b
oth sensor
y
and motor fibers
.
E. a ganglion
.
15
.
The sensor
y
root of a s
p
inal nerve is also referred to as
A.
a
nterior root
.
B. dorsal root
.
C. efferent root
.
D.
v
entral root
.
E. lateral root
.
16
.
The motor root of a spinal nerve is also referred to as the
A.
a
fferent root
.
B. dorsal root
.
C.
p
osterior root
.
D.
v
entral root
.
E. sensor
y
root
.
17
.
The cross-sectional view of the spinal cord reveals white matter on the
A.
i
nside, gray matter on the outside, and a dorsal motor root
.
B. outside, gray matter on the inside, and a ventral motor root
.
C. inside,
g
ra
y
matter on the outside, and a dorsal sensor
y
root
.
D.
o
utside,
g
ra
y
matter on the inside, and a ventral sensor
y
root
.
18
.
In the s
p
inal cord, white matter is or
g
anized into
A.
h
orns and the gray matter into columns
.
B.
h
orns and the
g
ra
y
matter into roots
.
C. columns and the
g
ra
y
matter into horns
.
D.
c
olumns and the gray matter into tracts
.
19
.
What structure makes the dorsal root different from the ventral root
?
A.
T
he dorsal root has a ganglion
.
B. The dorsal root has a tract
.
C. The dorsal root has a nucleus
.
D.
T
he dorsal root appears the same as the ventral root
.
20
.
What is found in the dorsal root
g
an
g
lion
?
A.
T
he cell bodies of multipolar motor neurons
.
B. The cell bodies of
p
seudo-uni
p
olar sensor
y
neurons
.
C. The cell bodies of multi
p
olar interneurons
.
D.
T
he cell bodies of bipolar sensory neurons
.
21
.
What is found the lateral
g
ra
y
horns of the s
p
inal cord
?
A.
T
he cell bodies of somatic motor neurons
.
B. The cell bodies of sensor
y
neurons
.
C. The cell bodies of autonomic motor neurons
.
D.
T
he cell bodies of somatic sensory neurons
.
22
.
Structurall
y
, the sim
p
lest reflex is the
A. stretch reflex
.
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f
32
B. Golgi tendon reflex
.
C.
r
eci
p
rocal reflex
.
D.
a
lternatin
g
reflex
.
E. withdrawal reflex
.
23
.
Reflex arcs
A.
a
re capable of receiving a stimulus and yielding a response
.
B. are the basic structural units of the nervous s
y
stem
.
C. occur
p
rimaril
y
in the cerebral cortex of the brain
.
D.
i
nvolve inhibitory neurons
.
E. do not involve the s
p
inal cord
.
24
.
Which portion of a reflex arc is most likely to be located entirel
y
within the central nervous system
?
A. sensor
y
neuro
n
B.
m
otor neuro
n
C. effector cel
l
D.
i
nterneuro
n
E. rece
p
tor cel
l
25
.
Reflexes
A.
a
re homeostatic
.
B. are not homeostatic
.
C. are voluntar
y
conscious res
p
onses to a stimulus
.
D.
a
re integrated in the spinal cord, but not the brain
.
E. are integrated in the brain, but not the spinal cord
.
26
.
Reflexes function i
n
A.
r
emovin
g
the bod
y
from
p
ainful stimuli
.
B.
k
ee
p
in
g
the bod
y
from fallin
g.
C.
m
aintaining blood pressure
.
D.
m
aintaining blood C
O
2 levels
.
E. All of these choices are correct
.
27. Place the following parts of a reflex arc in the correct order beginning with the sensory receptor.
(1) motor neuron
(2) interneuron
(3) effector
(4) sensory neuron
(5) sensory receptor
A. 5, 1, 2, 3,
4
B. 5, 3, 2, 4, 1
C. 5, 4, 3, 2, 1
D. 5, 2, 3, 4, 1
E. 5, 4, 2, 1,
3
28
.
The sensor
y
rece
p
tor of the stretch reflex is the
A.
G
olgi tendon organ
.
B.
m
uscle s
p
indle
.
C. dorsal root
g
an
g
lion
.
D.
c
ollateral axon
.
E. alpha motor neurons
.
29
.
Stretch reflexes
A.
a
re learned voluntar
y
res
p
onses
.
B. aid in maintainin
g
p
ro
p
er
p
osture
.
C.
p
revent muscles from being damaged by excessive tension
.
D.
c
ause the removal of limbs from
p
ainful stimuli
.
E.
p
revent fallin
g.
30
.
Which of the following events in a stretch reflex occurs last
?
A.
a
lpha motor neurons transmit action potentials to muscle causing contractio
n
B.
m
uscle spindle detects stretch of muscle
C. afferent neurons conduct action
p
otentials to the s
p
inal cor
d
D.
a
fferent neurons s
y
na
p
se with al
p
ha motor neurons
E. muscle is stretche
d
31
.
Muscle s
p
indles
A.
a
re innervated by gamma motor neurons
.
B. ori
g
inate in the s
p
inal cord
.
C. are specialized nerve cells
.
D.
a
re found encapsulated in nerve endings
.
E. are innervated b
y
al
p
ha motor neurons
.
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f
32
Document Summary
Student: ______________________________________________________________________________________: there are _____ enlargements of the spinal cord where nerves supplying the extremities enter and leave. Page 6 of 32: fourteen, a man was in an accident and severed his spinal cord between c6 and c7. _______________________________________: a reflex that helps prevent falls. _______________________________________: partially responsible for a weight lifter suddenly dropping a weight that is too heavy. _______________________________________: associated with withdrawal and stretch reflex. _______________________________________: in the pns, nerves are held together by ___________. _______________________________________: cutaneous sensory distribution of a spinal nerve can be mapped as a _______. _______________________________________: the largest peripheral nerve in the body is the ______ nerve. _______________________________________: branches of the pudendal nerve are anesthetized during childbirth before the doctor performs a(an) ______________. _______________________________________: the __________ __________ is the basic functional unit of the nervous system and is capable of receiving a stimulus and producing a response. _______________________________________: there are _____ enlargements of the spinal cord where nerves supplying the extremities enter and leave.
