ABRET CNIM Exam with all Correct & 100% Verified
Answers |Actual Complete Exam |Already Graded A+
Which area of the spine has small pedicles, long spinous processes, and large inter-vertebral
foramen.
Select one:
a. Sacral
b. Thoracic
c. Lumbar
d. Cervical ✔Correct Answer-C. Thoracic
Brain activity recorded directly from the cortex (ECoG) is very high in amplitude and usually
requires sensitivities in the range of: ✔Correct Answer-40 to 100 μV/mm.
The ISOLA type of spinal instrumentation usually involves:
a. Severing the cauda equina
b. The supralaminal placement of rods
c. The placement of grid electrodes
d. A combination hook and screw method ✔Correct Answer-D. A combination hook and screw
method
When there is bilateral noise in the free-running EMG channels and the patient is getting "light,"
what does one expect to see in the SSEPs?
Select one:
a. The patient begins to yell.
b. The surgeon discontinues surgery.
c. High artifact rejection in channels with electrodes placed over muscle.
d. High rejection in every channel and unobtainable waveforms. ✔Correct Answer-c. High
artifact rejection in channels with electrodes placed over muscle.
Instrumentation systems used to distract, compress, and de-rotate the spine to restore normal
vertebral column alignment, include:
a. CMRR and CMRO
b. Du Bois and Reymond
c. Cotrel-Dubousset and Isola
d. TCD and pedicle screw ✔Correct Answer-C. Cotrel-Dubousset and Isola
The characteristic of a filter that shows how sharp the cut off, is called _____. ✔Correct
Answer-the rolloff
Neurological syndrome caused by a lesion such as a tumor, trauma such as a gun shot or
puncture wound, ischemia, infectious or inflammatory disease such as tuberculosis or multiple
,sclerosis, resulting in disturbances of tactile and kinesthetic sense on the side of the lesion with
reduced muscle tone and refelxes and on the side contralateral to the lesion loss of pain
sensation at or one segment below the lesion and loss of thermal sense from about two
segments below the lesion. ✔Correct Answer-Brown-Sequard Syndrome
According to current OSHA standards, needle electrodes should:
a.Be recapped before discarding
b. Be reused whenever possible
c. Not be handled with tongs or forceps while cleaning
d. Not be soaked in a sodium hypochlorite solution ✔Correct Answer-d. Not be soaked in a
sodium hypochlorite solution
What is best described as a disturbance or loss of the ability to use objects appropriately such
as zippers and buttons? ✔Correct Answer-apraxia
Capacitors are electronic devices used to: ✔Correct Answer-store electrical energy and
enhance current flow
Which is a complication of an intravenous agent?
a. high dose propofol for extended periods (many days) produces renal failure
b. high dose dexmeditomidine produces tachycardia and hypertension
c. midazolam produces hallucinations
d. etomidate can produce myoclonic jerking that resembles a seizure ✔Correct Answer-d.
etomidate can produce myoclonic jerking that resembles a seizure
The blood supply to the pons is primarily from:
a. anterior cerebral artery
b. vertebral artery
c. middle cerebral artery
d. basilar artery ✔Correct Answer-d. Basilary artery
The innermost connective tissue membrane covering the brain is the: ✔Correct Answer-PIA
M-Waves are more effectively elicited by anodal stimulation. ie: They are more consistently
present contralateral to the scalp anode. (T OR F?) ✔Correct Answer-TRUE
A condensation click: ✔Correct Answer-causes the headphone diaphragm to displace toward
the tympanic membrane
Given an electrical circuit with a resistance of 1000 ohms and a voltage of 10 volts, the current
flow will be: ✔Correct Answer-.01 A.
The amplifier input impedance (not the electrode impedance) of a differential amplifier must be
at least:
, a. < 5 K ohms.
b. < 10 megohms.
c. 100 megohms.
d. 10 megohms. ✔Correct Answer-d. 10 megohms.
Which of the following anesthetic agents produces a state of sleep which most mimics normal
sleep such that awakening form sedation allows the most normal neurological examination?
✔Correct Answer-Dexmeditomidine
Which type of stimulator is utilized for anatomical mapping of a nerve? ✔Correct Answer-
Monopolar
The gain of an amplifier, set to give an output signal of 1 volt for an input signal of 10 mV, is:
a. 10,000.
b. 100.
c. 1,000.
d. 100,000. ✔Correct Answer-100,000
The addition of power at a frequency that was not in the original signal.
Select one:
a. CSA or CDSA
b. Aliasing
c. FFT
d. Notch Filtering ✔Correct Answer-Aliasing
Which of the following statements is true of microembolic signals? ✔Correct Answer-They
have a short duration of < 0.1 seconds
The horizontal resolution of an evoked potential system:
Select one:
a. has no effect on the aliasing properties of the instrument.
b. is one half the Nyquist frequency.
c. should be greater than 30 milliseconds per data point.
d. should be 20 microseconds per data point or less ✔Correct Answer-d. should be 20
microseconds per data point or less
Vascular malformations of the posterior fossa associated with hemifacial spasm and facial
paresis may cause:
Select one:
a. Increased amplitudes if tubal inserts are used for stimulation
b. A loss of Wave I on the BAEP
c. BAEP abnormalities if the auditory cortex is involved
d. BAEP latency abnormalities ✔Correct Answer-BAEP latency abnormalities
Answers |Actual Complete Exam |Already Graded A+
Which area of the spine has small pedicles, long spinous processes, and large inter-vertebral
foramen.
Select one:
a. Sacral
b. Thoracic
c. Lumbar
d. Cervical ✔Correct Answer-C. Thoracic
Brain activity recorded directly from the cortex (ECoG) is very high in amplitude and usually
requires sensitivities in the range of: ✔Correct Answer-40 to 100 μV/mm.
The ISOLA type of spinal instrumentation usually involves:
a. Severing the cauda equina
b. The supralaminal placement of rods
c. The placement of grid electrodes
d. A combination hook and screw method ✔Correct Answer-D. A combination hook and screw
method
When there is bilateral noise in the free-running EMG channels and the patient is getting "light,"
what does one expect to see in the SSEPs?
Select one:
a. The patient begins to yell.
b. The surgeon discontinues surgery.
c. High artifact rejection in channels with electrodes placed over muscle.
d. High rejection in every channel and unobtainable waveforms. ✔Correct Answer-c. High
artifact rejection in channels with electrodes placed over muscle.
Instrumentation systems used to distract, compress, and de-rotate the spine to restore normal
vertebral column alignment, include:
a. CMRR and CMRO
b. Du Bois and Reymond
c. Cotrel-Dubousset and Isola
d. TCD and pedicle screw ✔Correct Answer-C. Cotrel-Dubousset and Isola
The characteristic of a filter that shows how sharp the cut off, is called _____. ✔Correct
Answer-the rolloff
Neurological syndrome caused by a lesion such as a tumor, trauma such as a gun shot or
puncture wound, ischemia, infectious or inflammatory disease such as tuberculosis or multiple
,sclerosis, resulting in disturbances of tactile and kinesthetic sense on the side of the lesion with
reduced muscle tone and refelxes and on the side contralateral to the lesion loss of pain
sensation at or one segment below the lesion and loss of thermal sense from about two
segments below the lesion. ✔Correct Answer-Brown-Sequard Syndrome
According to current OSHA standards, needle electrodes should:
a.Be recapped before discarding
b. Be reused whenever possible
c. Not be handled with tongs or forceps while cleaning
d. Not be soaked in a sodium hypochlorite solution ✔Correct Answer-d. Not be soaked in a
sodium hypochlorite solution
What is best described as a disturbance or loss of the ability to use objects appropriately such
as zippers and buttons? ✔Correct Answer-apraxia
Capacitors are electronic devices used to: ✔Correct Answer-store electrical energy and
enhance current flow
Which is a complication of an intravenous agent?
a. high dose propofol for extended periods (many days) produces renal failure
b. high dose dexmeditomidine produces tachycardia and hypertension
c. midazolam produces hallucinations
d. etomidate can produce myoclonic jerking that resembles a seizure ✔Correct Answer-d.
etomidate can produce myoclonic jerking that resembles a seizure
The blood supply to the pons is primarily from:
a. anterior cerebral artery
b. vertebral artery
c. middle cerebral artery
d. basilar artery ✔Correct Answer-d. Basilary artery
The innermost connective tissue membrane covering the brain is the: ✔Correct Answer-PIA
M-Waves are more effectively elicited by anodal stimulation. ie: They are more consistently
present contralateral to the scalp anode. (T OR F?) ✔Correct Answer-TRUE
A condensation click: ✔Correct Answer-causes the headphone diaphragm to displace toward
the tympanic membrane
Given an electrical circuit with a resistance of 1000 ohms and a voltage of 10 volts, the current
flow will be: ✔Correct Answer-.01 A.
The amplifier input impedance (not the electrode impedance) of a differential amplifier must be
at least:
, a. < 5 K ohms.
b. < 10 megohms.
c. 100 megohms.
d. 10 megohms. ✔Correct Answer-d. 10 megohms.
Which of the following anesthetic agents produces a state of sleep which most mimics normal
sleep such that awakening form sedation allows the most normal neurological examination?
✔Correct Answer-Dexmeditomidine
Which type of stimulator is utilized for anatomical mapping of a nerve? ✔Correct Answer-
Monopolar
The gain of an amplifier, set to give an output signal of 1 volt for an input signal of 10 mV, is:
a. 10,000.
b. 100.
c. 1,000.
d. 100,000. ✔Correct Answer-100,000
The addition of power at a frequency that was not in the original signal.
Select one:
a. CSA or CDSA
b. Aliasing
c. FFT
d. Notch Filtering ✔Correct Answer-Aliasing
Which of the following statements is true of microembolic signals? ✔Correct Answer-They
have a short duration of < 0.1 seconds
The horizontal resolution of an evoked potential system:
Select one:
a. has no effect on the aliasing properties of the instrument.
b. is one half the Nyquist frequency.
c. should be greater than 30 milliseconds per data point.
d. should be 20 microseconds per data point or less ✔Correct Answer-d. should be 20
microseconds per data point or less
Vascular malformations of the posterior fossa associated with hemifacial spasm and facial
paresis may cause:
Select one:
a. Increased amplitudes if tubal inserts are used for stimulation
b. A loss of Wave I on the BAEP
c. BAEP abnormalities if the auditory cortex is involved
d. BAEP latency abnormalities ✔Correct Answer-BAEP latency abnormalities
