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CNIM Board Prep Book 1 & 2 > Book 1 > Flashcards

Book 1 Flashcards

1
Q

Clavicular, cervical, and scalp sites are commonly used for recording…

A

median nerve potentials

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2
Q

In the CNS, a myelin sheath forms around the…

A

axon

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3
Q

Cortical potentials will be most affected by…

A

Inhalational anesthetics

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4
Q

P14 is a _____-field potential.

A

far

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5
Q

Alternating click polarity…

A

minimizes stimulus artifact

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6
Q

A fused joint is known as…

A

ankylosis

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7
Q

Grounding the stimulated limb during a SSEP procedure decreases…

A

stimulus artifact

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8
Q

Patient history items that do not imact what we monitor, or how we interpret waveforms are…

A

age
sex
size of tumor
ethnicity

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9
Q

Decrease in latency is…
Increase in conduction velocity is…
Cerebellum is…

A

NEVER THE ANSWER

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10
Q

Amplitude decrease is known as…

A

attenuation

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11
Q

Abnormal tissue found on or in an organism, usually damaged by disease or trama

A

lesion

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12
Q

The obstruction of the blood supply to an organ or region of tissue, typically by a thrombus or embolus, causing local death of the tissue

A

infarction

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13
Q

Blood clot, air bubble, piece of fatty deposit, or other object that has been carried in the bloodstream to lodge in a vessel.

A

embolus

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14
Q

Blood clot

A

thrombosis

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15
Q

The time from the beginning to the end of each evoked potential sweep

A

analysis time

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16
Q

Balanced impedance range

A

5k ohms

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17
Q

Multiple sclerosis

A

inflammatory autoimmune disease in which the fatty myelin sheaths around the axons of the brain and spinal cord are damaged. NOT AN INHERITED DISORDER.

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18
Q

Age onset of MS

A

15-40 years

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19
Q

Optic neuritis

A

inflammation of the optic nerve

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20
Q

Optic neuritis is a symptom of…

A

MS

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21
Q

The early and late onset stage of optic neuritis is differentiated by…

A

unilateral (early) or bilateral (late) symptoms

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22
Q

Unthoff’s phenomenon (or sign)

A

A worsening of neurologic symptoms in MS when the body gets overheated from hot weather, exercise, fever or saunas. PTs show PARESTHESIA.

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23
Q

Lhermitte’s sign

A

An electrical sensation that runs down the back and into the limbs from involvement of the posterior columns, and is pronounced by bending the neck forward or backward (MS SYMPTOM)

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24
Q

If SSEPs show a 60Hz a cycle, the first step is to…

A

check the impedance, and adjust rate by 0.1/sec

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25
60Hz cycle has a wavelength of...
16.6ms
26
MS is most likely to show an abnormality in the modality of...
Lower SSEPs due to a longer pathway
27
Contingent negative variation expectancy wave
a test of discrimination where a click is sometimes followed by a flash, in which a response is elicited when the flash is present
28
OSHA
occupational safety and health administration
29
OSHA may ask for...
SDS Sheets | Chassis leakage current check records
30
Chassis leakage current is tested...
Bi-annually Semi-annually 2X PER YEAR
31
An ethics violation results in...
revocations of credentials | NOT STATE/FEDERAL CHARGES
32
If a patient is obunded, _____ can be used as a patient identifier.
PCP
33
If the patient does not speak english, who is qualified to serve as an interpreter?
An appointed hospital interpreter
34
Hand hygiene guidelines state that hands must be washed for...
20 seconds
35
MRSA is transmitted through...
touch
36
Hepetitis C is transmitted through...
blood
37
Hepetitis B is transmitted through...
bodily fluids
38
Clostridium difficile (C Diff) is transmitted through...
feces
39
With reference to gloves, hands are washed...
prior to and following usage
40
Universal protocol for preventing wong-site, wrong-person, wrong-procedure surgery
right patient right medication right surgery right side of surgery
41
"Time out"
prior to start of invasive procedure, verify the correct patient, procedure, and body site
42
"Time out" does not confirm...
date time physician or tech
43
SDS
safety data sheets
44
SDS: Collodian
adhesive only
45
SDS: Acetone
Collodian remover only
46
SDS: Salt Jelly or Electrolyte
Conductor only
47
An electrolyte spread between two electrodes would cause a...
salt bridge
48
Collodian and acetone should be stored in...
a flammable cabinet
49
Flammable cabinet
houses substances that are flammable
50
Collodion ingredients
``` Ethyl ether (a,b) Ethanol ```
51
If collodion is ingested...
dilute with water
52
If collodion catches fire...
do not attempt to extinguish using water
53
If acetone is ingested...
induce vomiting
54
If acetone catches fire...
extinguish using water
55
Sodium hypochlorite
bleach
56
If sodium hypochlorite is ingested...
do not induce vomiting. dilute with water
57
The differential input impedance of an amplifier must be...
at least 100 meg Ohms
58
Differential inut amplifier average time must be...
(horizontal resolution) | 20 us/data point or less
59
Gain of the amplifier should be adjustable in steps of not more than...
2.5 to 1
60
With the filters of an amplifier wide open, the amplifier bandpass measured at the -3dB points must be...
at least 0.1-5,000Hz
61
Noise level of the amplifier must not exceed...
2 uV rms
62
Leagage current is present...
any time the equipment is plugged in
63
leakage current is impacted by power strips or extension cords by...
increasing it
64
The maximum leakage current throug the patient leads should be...
10 uA rms to ground
65
Replication for awake evoked potentials require at most...
1% latency change | 15% amplitude change
66
If the data of an evoked potential is not reproducible...
do another set of averages
67
Clinical evoked potential guidelines require documentation of...
surgical action anesthesia BP/MAP Core body temperature
68
The role of an IONM with reference to data and the surgeon is to...
describe it, not interpret it
69
If normative data is going to be used from another lab, a minumum of...
20 neurologically intact patients must be run, falling within the normal distribution
70
Disk EEG electrodes applied with collodion are sealed with...
plastic tape or sheet to prevent drying and provide protection from blood or other fluids
71
Earphones are secured using...
bone wax, which does not protect the canal from fluid entry
72
BAEP Wave I absolute latency
1.4 ms
73
BAEP Wave III absolute latency
3.4 ms
74
BAEP Wave V absolute latency
5.5 ms
75
BAEP Wave I-III interpeak latency
2.0 ms
76
BAEP Wave III-V interpeak latency
2.0 ms
77
BAEP wave I-V interpeak latency
4.0 ms
78
BAEP A1 is the...
left ear
79
BAEP A1 is the...
right ear
80
BAEP channel positive input uses...
Cz
81
BAEP channel negative input uses...
Ai and Ac
82
BAEP Ai is always _____ to the side of stimulation and surgery
ipsilateral
83
BAEP Ac is always _____ to the side of stimulation and surgery
contralateral
84
BAEP Cz is known as the...
vertex
85
BAEP left ear is known as...
auris sinister (AS)
86
BAEP right ear is known as...
Auris Dextrous (AD)
87
BAEP wave I is only recorded in the...
stimulated ear
88
BAEP contralateral channel function validates...
white noise masking at the appropriate intensity
89
White noise masking prevents...
bone conducted cross over of stimulus
90
Failure to use white noise in BAEPs results in...
a false negative, pt deficit
91
BAEPs showing an ipsilateral response but not a contralateral (and vice-versa) response indicates a problem with...
gain or the amplifier

CNIM Board Prep Book 1 & 2 (1 decks)

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