4809002
Questão 1
Questão
When recording a TOF from the posterior tibial nerve at the ankle, which muscle would be best to record the response?
Responda
-
tibalis anterior
-
abductor hallucis
Questão 2
Questão
The best muscles for L4-S1 pedicle screw stimulation would be the:
Responda
-
tibialis anterior and gastrocnemius
-
vastus medialis and biceps femoris
Questão 3
Questão
The best muscle to record S-EMG for an S2-S4 instrumentation procedure is the:
Responda
-
tibialis anterior
-
anal sphincter
Questão 4
Questão
Which procedure may be done to reduce muscle spasticity?
Responda
-
selective dorsal root rhizotomy
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mediolateral cordotomy
Questão 5
Questão
Which muscle is innervated by L4-S1 nerve roots?
Responda
-
iliopsoas
-
tibialis anterior
Questão 6
Questão
Which muscle is innervated by the C5 nerve root?
Responda
-
deltoid
-
pronator teres
Questão 7
Questão
Which muscle is innervated by the C7 nerve root?
Responda
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triceps brachii
-
rectus abdominis
Questão 8
Questão
Which muscle is innervated by S2-S4 nerve roots?
Responda
-
gastrocnemius
-
anal sphincter
Questão 9
Questão
When recording a TOF from the median nerve at the wrist, which muscle would be best to record the response?
Responda
-
abductor pollicus brevis
-
flexor carpi radialis
Questão 10
Questão
If there is traction on neural tissues during a surgery, it will result in:
Responda
-
train activity in EMG
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delayed latency and a drop in amplitude for SSEP
Questão 11
Questão
What is the nerve innervation of the peroneus longus muscle?
Responda
-
L2, L3, L4
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L5, S1 , S2
Questão 12
Questão
Stimulation of an L4 pedicle screw that has a lateral cortical bone breach will create a CMAP response in which muscle?
Responda
-
tibialis anterior
-
abductor hallucis
Questão 13
Questão
What is resected during a rhizotomy procedure?
Responda
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dorsal rootlets
-
sensory nerve
Questão 14
Questão
When is a monopolar stimulator preferred over a bipolar stimulator
Responda
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when localizing the general path of the nerve through a tumor
-
when localizing the nerve
Questão 15
Questão
Which type of s-EMG activity correlates with nerve injury and postoperative deficit?
Responda
-
burst activity
-
neurotonic discharges
Questão 16
Questão
If you observe s-EMG activity in all channels, it is probably due to:
Responda
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nerve root irritation
-
the patient waking up
Questão 17
Questão
The pedicle screw stimulation probe should be plugged into which output of the stimulator box?
Responda
-
anode
-
cathode
Questão 18
Questão
A very high threshold for all pedicle screws could be because of a:
Responda
-
muscle relaxant
-
burst suppression
Questão 19
Questão
The release of a tethered cord is performed by the identifying and sectioning of the:
Responda
-
cauda equina
-
filum terminale
Questão 20
Questão
Stimulation of dorsal rootlets for dorsal root rhizotomy is done with a stimulation frequency of:
Responda
-
50.0 Hz
-
2.79 Hz
Questão 21
Questão
Luque rods would best be used for:
Responda
-
hip joint replacement
-
posterior spinal fixation
Questão 22
Questão
Lower motor neurons exit the spinal cord through the:
Responda
-
dorsal nerve roots
-
ventral nerve roots
Questão 23
Questão
The C8 nerve root exits the spinal cord at which level?
Responda
-
below the C8 vertebrae
-
above the T1 vertebrae
Questão 24
Questão
The tapered tip of the spinal cord is also known as the:
Responda
-
conus medullaris
-
cauda equina
Questão 25
Questão
Many nerve roots that exit at the lower part of spinal cord are called:
Responda
-
spina bifida
-
cauda equine
Questão 26
Questão
The ulnar nerve root entry level is:
Responda
-
C8-T1
-
C5-C8
Questão 27
Questão
The median nerve root entry level is:
Responda
-
C5-T1
-
C5-C8
Questão 28
Questão
The posterior tibial nerve root entry level is:
Responda
-
L4-S3
-
L3-S4
Questão 29
Questão
Tibial and common peroneal nerves are braches of the:
Responda
-
femoral nerve
-
sciatic Nerve
Questão 30
Questão
The integrity of a peripheral nerve can be determined by:
Responda
-
proximal CMAP responses
-
distal CMAP responses
Questão 31
Questão
What is the most appropriate drug to use at induction when monitoring s-EMG?
Responda
-
curare
-
succinyl-choline
Questão 32
Questão
A train activity may be seen by:
Responda
-
cold irrigation
-
warm irrigation
Questão 33
Questão
A metal artifact is seen when:
Responda
-
a metal instrument touches the nerve directly
-
two dissimilar metals touch each other in the exposed spine
Questão 34
Questão
What type of corrective force to the spinal column is applied when sublaminar wires are used?
Responda
-
fixation
-
translation
Questão 35
Questão
The effects of a Harrington rod distraction on the spinal cord can be tested by a:
Responda
-
stagnara wake up test
-
dorsal root stimulation
Questão 36
Questão
Which of the following is true for a possible nerve root injury when monitoring sEMG?
Responda
-
high frequency train firing lasting for more than one minute
-
few large bursts responses of complex morphology
Questão 37
Questão
The recommended band-pass filter for EMG monitoring is:
Responda
-
10-5000
-
10-30 to 16000
Questão 38
Questão
EMG monitoring for the S1 nerve root will include:
Responda
-
sartorius
-
gastrocnemius
Questão 39
Questão
A compression or sustained traction of a nerve will be present in s-EMG as:
Responda
-
train activity
-
burst activity
Questão 40
Questão
The anterior horn cells are also called:
Responda
-
beta motor neurons
-
alpha motor neurons
Questão 41
Questão
There are _ cervical , _ thoracic, __ lumbar, and _ sacral spinal nerves in the human body.
Responda
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7, 12, 5,5
-
8, 12, 5,5
Questão 42
Questão
Foot drop is caused by an injury to the:
Responda
-
peroneal nerve
-
femoral nerve
Questão 43
Questão
If 3 out of 4 twitches are present during TOF monitoring, what percentage of muscles are paralyzed?
Responda
-
25%
-
75%
Questão 44
Questão
Wrist drop is caused by an injury to the:
Responda
-
median nerve
-
radial nerve
Questão 45
Questão
Radicular arteries can be compromised by:
Responda
-
derotation
-
pedicle screw fixation
Questão 46
Questão
the pudendal nerve arises from:
Responda
-
S2-S4
-
S1-S2
Questão 47
Questão
CMAP is a:
Responda
-
nerve action potential
-
myogenic response
Questão 48
Questão
Bipolar nerve stimulation is MORE:
Responda
-
sensitive
-
specific
Questão 49
Questão
Monopolar nerve stimulation is LESS:
Responda
-
sensitive
-
specific
Questão 50
Questão
A lumbar pedicle screw with a cortical bone breach will have a threshold of:
Responda
-
5 mA
-
20 mA
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