NGQ_s -...

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Unformatted text preview: 1)
a
patient
with
Huntington's
disease
(HD)
has
jerky,
random,
movements
and
poor
 coordination.
HD
damaged
neurons
in
what
area
of
the
brain?
 
 a.
basal
ganglion
 b.
hippocampus
 c.
neocortex
 d.lateral
ventricles
 answer
A:
the
basal
ganglion
suppresses
unwaned
movements
and
prepares
upper
motor
 neuron
circuits
for
initiation
of
movements.
 
 2)
Nuclear
bag
fibers,
in
extrafusal
fibers,
that
respond
phasically
to
small
stretches
are
 preferentially
innervated
by___________?
 
 a.
other
nuclear
bag
fibers
 b.
Group
Ia
afferents
 c.
group
2
afferents
 d.
the
axon
of
alpha
motor
neuron.
 
 answerB
 
 
3.
charlie
notices
that
his
new
born
baby
cannot
keep
his
eyes
on
a
moving
object
outside
the
 car
window
without
moving
his
entire
head.
Charlie's
baby
has
not
yet
developed________?
 
 a.
conjunctive
eye
movements
 b.
disjunctive
eye
movements
 c.
optokinetic
reflexes
 
 
answer
C
 
 4)
Only
when
the
cells
of
the
globus
pallidus
are
________,
the
thalamic
neurons
are
 ___________
and
can
relay
signals
from
oter
sources
to
the
upper
motor
neurons
in
the
cotex.
 a.
disinhibited;
inhibited
 b.
inhibited;
disinhibited
 c.
some
other
answer
choice
 d.
some
other
answer
choice
 
 answer:
B
 ...
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This note was uploaded on 11/09/2011 for the course CHEM 2341 taught by Professor Staff during the Fall '11 term at Texas State.

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