ABRET CNIM ACTUAL PAPER 2026
QUESTIONS WITH SOLUTIONS GRADED A+
◉ Brain activity recorded directly from the cortex (ECoG) is very
high in amplitude and usually requires sensitivities in the range of:.
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.
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..
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.
Answer: C. Cotrel-Dubousset and Isola
◉ The characteristic of a filter that shows how sharp the cut off, is
called _____..
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..
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.
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?.
Answer: apraxia
◉ Capacitors are electronic devices used to:.
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.
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.
Answer: d. Basilary artery
◉ The innermost connective tissue membrane covering the brain is
the:.
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?).
Answer: TRUE
QUESTIONS WITH SOLUTIONS GRADED A+
◉ Brain activity recorded directly from the cortex (ECoG) is very
high in amplitude and usually requires sensitivities in the range of:.
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.
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..
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.
Answer: C. Cotrel-Dubousset and Isola
◉ The characteristic of a filter that shows how sharp the cut off, is
called _____..
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..
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.
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?.
Answer: apraxia
◉ Capacitors are electronic devices used to:.
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.
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.
Answer: d. Basilary artery
◉ The innermost connective tissue membrane covering the brain is
the:.
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?).
Answer: TRUE
