Test
TCeMEP
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Preguntas del test (50)
1What has to be removed in order to place an epidural electrode?
- Alamina
- Bpedicle
2Stimulation of the cortex on an AWAKE patient is to test for:
- Aidentity
- Blanguage
3If a patient is unable to move at the end of the surgery, it is consistent with damage to the:
- Acortical spinal tracts
- Bspinal thalamic
4Isola:
- Arods and hooks
- Bsublaminal wires
5The best muscle to record lower TCeMEPs is:
- AATB
- BFHL
6The best time for a wake-up test during scoliosis surgery is after:
- Adistraction
- Binduction
7The risk of the wake-up test includes:
- Aderotation
- Bextubation
8What monitoring is best for a scoliosis surgery?
- ATCeMEP, SSEP, s-EMG, t-EMG
- BEEG, EMG
9If you have to select only one modality during a scoliosis surgery, which one will you choose?
- ATCeMEP
- BSSEP
10Vertebral arteries run from:
- AC2-C7
- Bthe basilar artery rostrally
11What is the conduction time from stimulation at the lower thoracic spinal cord to a recording at the upper thoracic spinal cord?
- Aless than 10 msec
- Bmore than 30 msec
12What is the most likely outcome with an occlusion of the anterior spinal artery
- Aloss of N13
- Blower extremity paralysis
13After a thoracolumbar case, the patient wakes up with intact lower sensation and motor function, but left upper extremity weakness. What is the likely cause?
- Abrachial plexopathy
- Bthrombosis
14The effects of Harrington rod distraction on the spinal cord can be tested by the following except:
- Athe Stagnara wake-up test
- Bdorsal root stimulation
15Stimulation of the motor pathway can be achieved with little movement in the surgical field by:
- Aslowing the stimulation rate
- Bincreasing the stimulation rate enough to produce muscle tetany
16Following the final application of corrective forces to the spinal column, the spinal cord should typically be monitored for at least:
- A5 minutes
- B30 minutes
17A contraindication for the use of transcranial electrical stimulation is
- Acraniotomy
- Ba cardiac pacemaker in place
18The Luque type of spinal instrumentation usually involves:
- Athe sublaminal wires
- Brods and screws
19Luque rods would best be used for:
- Aposterior spinal fixation
- Banterior cervical fusion stabilization
20A "false negative" test means that the test results:
- Ado not show an abnormality when a clinical abnormality is present
- Bshow an abnormality when no clinical abnormality exits
21During scoliosis surgery, the spinal cord is most at risk for injury during:
- Ahypotension induced by the anesthesiologist
- Bspinal distraction and sublaminar wiring
22For transcortical magnetic stimulation, it is not true that:
- Aan electrical stimulator is required to pace the stimulus
- Bthe stimulation is not perceived as painful
23Changing the inter stimulus interval (lSI) from 3.7 to 2.1 will:
- Aincrease the frequency of stimulation
- Bdecrease the frequency of stimulation
24Motor evoked potentials are also known as:
- Acathodal stimulation
- Banodal stimulation
25Motor evoked potentials can be recorded from the:
- Adermatomes
- Bepidural space
26Motor evoked potentials responses are affected by the:
- Arocuronium
- Bativan
27The ideal anesthesia regimen for TCeMEP recording is:
- A65% N20
- BTIVA
28The epidural responses are also known as:
- AD and I waves
- BF and H waves
29The motor evoked response in hand muscles (arrow) is referred as:
- Arobust
- Bclipping
30The latency of the response in foot muscles is approximately:
- A40 ms
- B22 ms
31The responses in channel2 are classified as:
- Abiphasic
- Bpolyphasic
32When recording motor evoked potentials, the artifact reject should always be
- Aturned off
- Bturned on
33The latency of D-wave responses in the upper cervical area is about:
- A3 ms
- B6 ms
34D-wave responses are:
- Aabolished at 1.2 MAC of anesthesia
- Bnot effected by anesthesia
35An increase in anesthesia will result in a loss of the ___ response before the ____
- AI4, I3
- BI1, I2
36The recommended range of inter stimulus interval for motor evoked potentials is:
- A1.1 - 8.8
- B1.9 - 3.9
37The band pass setting for motor evoked potential should be set to:
- A10-5000 Hz
- B1 -1000Hz
38The latency of D-wave responses in the lower cervical area is about:
- A6 ms
- B12 ms
39The latency of D-wave responses in the lower thoracic area is about:
- A9 ms
- B15 ms
40A response recorded at 15 ms from an epidural spinal electrode arises from:
- Athe lower thoracic spine
- Bpara-spinal muscles
41A motor unit originates from:
- Aanterior horn cells
- Bneuromuscular junction
42The inter-peak latency between I-waves is:
- A2.0 ms
- B1.0 ms
43The lowest spinal level for epidural recordings is:
- AT10
- BL2
44Bite blocks must be used during motor evoked potential recordings to prevent
- Atongue bites
- Bburns
45When monitoring motor evoked potentials during spinal surgeries, the muscles selected must be ___ to the site of the surgery.
- Aproximal
- Bdistal
46Motor evoked potentials monitor the integrity of dorsal column pathways.
- ATrue
- BFalse
47Ischemia of anterior spinal artery will result in loss of TCeMEP responses.
- ATrue
- BFalse
48A pulse width of 1000 us is used for TCeMEP stimulation.
- ATrue
- BFalse
49I-waves are epidural responses due to indirect stimulation of spinothalamic pathways.
- ATrue
- BFalse
50Motor evoked potentials are generated from which type of summation?
- ATemporal
- BSpatial
Información
- Descripción
- Certificate Practice Quizzes Test sobre TCeMEP, creado por eds neuro el 23/03/2016.
- Autor
- eds neuro
- Idioma
- English
- Visitas
- 35
- Etiquetas
- Valoración
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