ABRET CNIM Exam Questions And 100% Correct Answers
What type of action potentials involved in the popliteal fossa
both orthodromic and antidromic
What is neurologic deficit associated with the compression of the spinal cord
Myelopathy
The monitoring of MEP requires special considerations/contraindication, what would be
an appropriate step to be taken if identifying a pt with a previous medical history of SZs
that have been well controlled with medication
discuss risk with surgeon and anaesthesiologist and proceed as they wish
Creutzfeldt-Jakob disease caused by
Prion proteins
Which of the following is an analog to N34
N18
Which of the following is NOT required to be part of an IONM record
patient's medication history
The most common source of a patient infection in the OR is derived from
Patients own endogenous flora
Which of the following nerves is at most risk when debulking a tumor > 3cm in diameter
during CPA surgeries
Facial
If an evoked potential has a voltage of 10uV and the associated noise has a voltage of
50uV, what is the signal-to-noise-ratio after 100 averaged responses?
,2:1
Which of the following is within the scope of practice for a CNIM
Ellicite physiological data from central and peripheral nervous systems
What would be the MINIMUM sampling rate for the Nyquist frequency
> 2 x of the fastest frequency of the waveform
What is most appropriate filter bandpass setting to record the short latency median
nerve SSEP
30 to 3000 Hz
What are the modalities most appropriate to run on a Chiari malformation
decompression
TCeMEPs
SSEPs
BAEPs
On what is the Nyquist frequency based
Sampling rate and frequency of components
MRI conditional electrodes are made from which of the following?
Nickel titanium
segmental motor innervation of the peroneus longus
L4,L5 and S1
,Subdermal needles placed in the epidural space should be placed by the
surgeon
This cranial nerve's function is to transfer visual information form the retina to the brain
optic
Impedance is the opposition to
alternating current flow
Which of the following is a positively charged electrode
anode
D waves are recorded from which of the following electrodes
epidural electrodes over the spinal cord
Motor nerve
Cranial nerve 3
What neurotransmitter is released at the neuromuscular junction?
acetylcholine
what cranial nerve is purely motor
Oculomotor
If 100 trials are required to achieve a signal-to-noise ratio of 2:1, how many trials must
be theorectically averaged to increase the signal-to-noise ratio to 20:1?
, 10,000
What is the most frequent mode of infection transmission, which can be either direct or
indirect
Contact
During CEA, what SSEP modality is recommended for monitoring cerebral function
median
IONM application during scoliosis surgery may replace the
Stagnara test
what would most probably happen because of a positional compression of the brachial
plexus
thoracic outlet syndrome
the flexion of the 4th and 5th digits of the hand would be a sign of stimulation of the
following nerve
ulnar nerve
Saddle area sensory loss suggest a lesion in which area
cauda equine
What modalities do you monitor for CEA surgery
Ipsilateral EEG, Contralateral SSEP
What type of action potentials involved in the popliteal fossa
both orthodromic and antidromic
What is neurologic deficit associated with the compression of the spinal cord
Myelopathy
The monitoring of MEP requires special considerations/contraindication, what would be
an appropriate step to be taken if identifying a pt with a previous medical history of SZs
that have been well controlled with medication
discuss risk with surgeon and anaesthesiologist and proceed as they wish
Creutzfeldt-Jakob disease caused by
Prion proteins
Which of the following is an analog to N34
N18
Which of the following is NOT required to be part of an IONM record
patient's medication history
The most common source of a patient infection in the OR is derived from
Patients own endogenous flora
Which of the following nerves is at most risk when debulking a tumor > 3cm in diameter
during CPA surgeries
Facial
If an evoked potential has a voltage of 10uV and the associated noise has a voltage of
50uV, what is the signal-to-noise-ratio after 100 averaged responses?
,2:1
Which of the following is within the scope of practice for a CNIM
Ellicite physiological data from central and peripheral nervous systems
What would be the MINIMUM sampling rate for the Nyquist frequency
> 2 x of the fastest frequency of the waveform
What is most appropriate filter bandpass setting to record the short latency median
nerve SSEP
30 to 3000 Hz
What are the modalities most appropriate to run on a Chiari malformation
decompression
TCeMEPs
SSEPs
BAEPs
On what is the Nyquist frequency based
Sampling rate and frequency of components
MRI conditional electrodes are made from which of the following?
Nickel titanium
segmental motor innervation of the peroneus longus
L4,L5 and S1
,Subdermal needles placed in the epidural space should be placed by the
surgeon
This cranial nerve's function is to transfer visual information form the retina to the brain
optic
Impedance is the opposition to
alternating current flow
Which of the following is a positively charged electrode
anode
D waves are recorded from which of the following electrodes
epidural electrodes over the spinal cord
Motor nerve
Cranial nerve 3
What neurotransmitter is released at the neuromuscular junction?
acetylcholine
what cranial nerve is purely motor
Oculomotor
If 100 trials are required to achieve a signal-to-noise ratio of 2:1, how many trials must
be theorectically averaged to increase the signal-to-noise ratio to 20:1?
, 10,000
What is the most frequent mode of infection transmission, which can be either direct or
indirect
Contact
During CEA, what SSEP modality is recommended for monitoring cerebral function
median
IONM application during scoliosis surgery may replace the
Stagnara test
what would most probably happen because of a positional compression of the brachial
plexus
thoracic outlet syndrome
the flexion of the 4th and 5th digits of the hand would be a sign of stimulation of the
following nerve
ulnar nerve
Saddle area sensory loss suggest a lesion in which area
cauda equine
What modalities do you monitor for CEA surgery
Ipsilateral EEG, Contralateral SSEP
