SOSC 1375 Study Guide - Quiz Guide: Substantia Nigra, Myelin, Pontine Nuclei
7 May 2018
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Department
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Professor
13
Student: _______________________________________________________________________________________
1
.
The central nervous s
y
stem develo
p
s from a flat mass of tissue called the neura
l
A.
g
roove
.
B.
t
ube
.
C.
p
late
.
D.
c
rest
.
E. fold
.
2
.
The cerebrum develops from the embryonic region called the
A.
t
elence
p
halon
.
B.
m
esencephalon
.
C. dience
p
halon
.
D.
m
etence
p
halon
.
E. rhombencephalon
.
3
.
From which
g
erm la
y
er does the nervous s
y
stem form
?
A.
e
ndoder
m
B.
m
esoder
m
C. exoder
m
D.
e
ctoder
m
4
.
What structures are formed from neural crest cells
?
A. sensory, autonomic, and enteric neurons
B.
p
i
g
mented bod
y
cells
C. adrenal medull
a
D.
f
acial bones
E. All of the choices form from neural crest cells
5
.
From which embryonic brain region does the cerebellum form
?
A.
t
elence
p
halo
n
B. diencephalo
n
C.
m
esencephalo
n
D.
m
etence
p
halo
n
E. m
y
elence
p
halo
n
6
.
From which embr
y
onic brain re
g
ion does the medulla oblon
g
ata form
?
A.
t
elencephalo
n
B. dience
p
halo
n
C.
m
esence
p
halo
n
D.
m
etencephalo
n
E. myelencephalo
n
7
.
What do the cavities of the neural tube become in the adult brain
?
A. subarachnoid s
p
ace
B.
v
entricles
C. auricles
D.
c
oelo
m
8
.
Which of the following statements concerning the brainstem is true
?
A.
T
he brainstem consists of the medulla,
p
ons, and cerebellum
.
B. The brainstem is responsible for higher level thinking skills
.
C.
D
amage to the brainstem is usually fatal
.
D.
A
ll twelve cranial nerves enter or exit from the brainstem
.
E. The brainstem is a rela
y
for sensor
y
in
p
ut
.
9
.
In the CNS, clusters of
g
ra
y
matter containin
g
cell bodies are calle
d
A.
n
uclei
.
B.
p
yramids
.
C.
t
racts
.
D.
p
eduncles
.
E. ganglia
.
10
.
The fact that the ri
g
ht side of the brain controls the left side of the bod
y
is ex
p
lained b
y
the
A.
d
ivision of the cerebrum into two hemis
p
heres
.
B. division of the cerebellum into two hemis
p
heres
.
C. decussation of the pyramids in the medulla
.
D.
n
eed for contr
a
-lateral control of body function
.
E.
b
rainstem bein
g
below the midbrain
.
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11
.
Which of the following is correctly associated with the medulla oblongata
?
A.
I
t
g
ives rise to conscious thou
g
hts
.
B. It contains nuclei for regulation of heart rate and blood vessel diameter
.
C. It contains enlargements called cerebral peduncles
.
D.
I
t is the most su
p
erior
p
ortion of the brainstem
.
E. It relays sensory information
.
12
.
The
py
ramids of the medulla contai
n
A.
a
scending motor tracts
.
B. descendin
g
motor tracts
.
C. ascendin
g
sensor
y
tracts
.
D.
d
escending sensory tracts
.
E.
N
one of these choices are correct
.
13
.
Walking a tightrope would activate what portion(s) of the medulla
?
A.
t
he
py
ramids
B.
t
he su
p
erior collicul
i
C.
t
he olives
D.
t
he
py
ramids and the su
p
erior collicul
i
E. the
py
ramids and the olives
14
.
Consider the following five terms and determine which does not belong
.
A.
m
edulla oblongat
a
B.
p
ons
C. cardiac center
D.
py
ramids
E. olives
15
.
Which of the followin
g
terms does NOT belon
g
with the others
?
A.
m
edulla oblon
g
at
a
B.
m
idbrai
n
C.
p
ons
D.
t
halamus
E. reticular formatio
n
16
.
Which portion of the brainstem is continuous with the spinal cord
?
A.
m
edulla oblon
g
at
a
B.
m
idbrai
n
C.
p
ons
D.
t
halamus
E. cerebral peduncles
17
.
A
p
atient with a traumatic head in
j
ur
y
ma
y
exhibit vomitin
g
as a result of irritation of nuclei in the
A.
p
ons
.
B. cerebellum
.
C.
m
edulla oblon
g
ata
.
D.
c
orpora quadrigemina
.
E. midbrain
.
18
.
A small lesion in the brainstem which resulted in a rapid heart rate, intense vasoconstriction, and elevated blood pressure would probably
be located in the
A.
m
edulla oblon
g
ata
.
B.
p
ons
.
C. cerebellum
.
D.
hyp
othalamus
.
E. cerebrum
.
19
.
The
p
art of the brain that connects the medulla to the midbrain is the
A.
c
erebral peduncle
.
B.
p
ons
.
C. cerebellum
.
D.
t
halamus
.
E. h
yp
othalamus
.
20
.
The nucleus for the facial nerve (cranial nerve VII) is located in the
A.
p
ons
.
B.
m
edulla
.
C.
m
esencephalon
.
D.
c
erebrum
.
E. cerebellum
.
21
.
Dama
g
e to
p
ontine nuclei mi
g
ht affect
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A.
v
ision
.
B.
t
alkin
g.
C.
b
lood
p
ressure
.
D.
r
espiration
.
E. heart rate
.
22
.
Which area of the brain contains areas that initiates REM sleep
?
A.
m
edulla oblon
g
at
a
B.
p
ons
C.
t
halamus
D.
m
idbrai
n
E. dience
p
halo
n
23
.
Which two portions of the brain are involved in controlling respiration
?
A.
p
ons, hypothalamus
B. cerebrum, hypothalamus
C.
p
ons, medulla oblon
g
at
a
D.
m
edulla oblon
g
ata, cerebral
p
eduncles
E.
p
ons, thalamus
24
.
The nuclei of cranial nerves III, IV, and V are located in the
A.
p
ons
.
B.
m
edulla
.
C.
m
idbrain
.
D.
d
iencephalon
.
E. cerebellum
.
25
.
The superior and inferior colliculi are located in which of the following portions of the midbrain
?
A.
t
e
g
mentum
(
floor
)
B. cerebral peduncles
C. substantia nigr
a
D.
r
ed nucleus
E. tectum
(
roof
)
26
.
The inferior collicul
i
A.
a
re an integral part of the cerebrum
.
B. are involved with auditor
y
p
athwa
y
s in the CNS
.
C. interconnect directl
y
with the e
y
e
.
D.
a
re a major CNS motor neurotransmitter group
.
E. are located in the pons
.
27
.
The superior colliculi receive input from the
A.
ey
es, skin, cerebrum and inferior colliculi
.
B. inferior colliculi,
py
ramids, skin and red nucleus
.
C. skin, ears, pyramids and cerebellum
.
D.
c
erebrum, cerebellum, thalamus and inferior colliculi
.
E. nose, ton
g
ue and inner ear
.
28
.
When you walk up behind someone and tap their right shoulder, they will reflexivel
y
A.
r
aise their arms
.
B.
h
it you
.
C.
t
urn their head toward the left
.
D. sneeze
.
E. turn their head toward the right
.
29. A bird hits the windshield of your car, and you reflexively duck and close your eyes. Which of the following is responsible for this
action?
A.
m
edull
a
B. superior collicul
i
C.
r
eticular formatio
n
D.
t
halamus
E. cerebellu
m
30
.
The substantia ni
g
ra interconnects with the
A.
b
asal nuclei
.
B.
t
egmentum
.
C.
r
ed nuclei
.
D.
r
eticular nuclei
.
E. tectum
.
31
.
A lesion in the cerebral
p
eduncles mi
g
ht affect
A.
h
earin
g.
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