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RPGST Exam Practice
Practice
233
Science
Post-Graduate
06/11/2022
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Term
hypoventilation
 Definition
According to recommended guidelines, an optional parameter to include in the report of an adult polysomnogram is:
Term
The is a high probability of moderate to severe OSA without comorbid conditions
 Definition
According to recommended guidelines, unattended portable monitoring can be used as an alternative to in-lab testing when:
Term
500 Hz
 Definition
According to the recommended guidelines, the sampling rate to provide the optimal resolution for recording EEG in a patient with suspected nocturnal seizures is:
Term
There is potential for electrode contamination
 Definition
4. Which of the following BEST describes a referential montage?
Term
5000 ohms
 Definition
The maximum electrode impedance for EEG and EKG recording is:
Term
Low filter
 Definition
6. he MOST appropriate setting a technologist would use to control the frequency band of waveforms on a recording is the:
Term
Oronasal thermal sensor
 Definition
The device that should be used to monitor airflow and detect obstructive apneas during a diagnostic study is:
Term
Decrease sensitivity
 Definition
When the amplitude of a signal exceeds the physical limitations of a channel, the MOST important adjustment the technologist can make to optimize waveform display is to:
Term
dislodged system reference electrode
 Definition
Which of the following can negatively impact all bioelectric channels?
Term
physiological
 Definition
Which type of calibration is based on a series of patient instructions intended to verify the signal response and quality?
Term
Position changes
 Definition
12. Which of the following would be MOST important to document during a PSG?
Term
pulse oximetry
 Definition
The MOST COMMON method to monitor blood oxygen saturation during PSG is:
Term
Minimize the impact of filter changes
 Definition
14. The importance of selecting sampling rates according to the RECOMMENDED guidelines is to:
Term
system referencing
 Definition
The ability to remontage while recording on digital equipment is the result of:
Term
Measure the patient's ability to resist the urge to sleep
 Definition
The most important reason for performing a MWT is to:
Term
Rely on F3-M2
 Definition
When intermittent 60 Hz activity occurs in the F4-M1 electrodes during REM sleep, the BEST IMMEDIATE action would be to:
Term
Soaking in 1:10 bleach and water for 10 minutes
 Definition
Which process would be an adequate routine procedure for disinfecting cup EEG electrodes after removing adhesive residue, gel and organic material, and washing it in warm water and mild detergent?
Term
.5 second
 Definition
The minimum duration of a significant leg movement is:
Term
had REM on at least two nap opportunities
 Definition
Four nap opportunities on an MSLT would be acceptable when the patient:
Term
cardioballistic artifact
 Definition
21. SEE IMAGE: The activity in the respiratory channel BEST describes:(resp channels have waves that line up with ECG during centrals)
Term
C3
 Definition
The electrode located 30% above the left pre-auricular crease is:
Term
SEMs with 15 or more seconds of alpha rhythm
 Definition
Guidelines for scoring stage N1 in adults, which of the following is required?
Term
hypopneas
 Definition
The respiratory event that requires oxygen desaturation and/or arousals as part of scoring criteria:
Term
central apnea
 Definition
25. SEE IMAGE: The respiratory events pictured best describe: (3 flat lines)
Term
The 10 seconds of sleep required prior to scoring an arousal may begin in the preceding epoch, even if that epoch is staged Wake.
 Definition
26. When scoring arousals in adults, which of the following is the BEST statement?
Term
End-Tidal CO2
 Definition
Which of the following should be included when recording pediatric patients?
Term
a sleep spindle or K-complex in the first half of an epoch following an epoch of stage 1
 Definition
Which of following is required for scoring stage N2 in adults?
Term
Apnea criteria is met for two breaths and is associated with respiratory effort throughout this period
 Definition
A requirement for scoring obstructive apneas in pediatric patients is:
Term
confirm accuracy of report components
 Definition
An important responsibility of the scoring technologist is to:
Term
REM dependent obstructive sleep apnea
 Definition
31. SEE IMAGE: This histogram demonstrates:
Term
11
 Definition
Calculate the AHI based on the following data:
25 OA's
5 CA's
23 MA's
15 OH's
48 RERAs
65 arousals
360 min of sleep
Term
Slow wave activity is often higher amplitude compared to adults
 Definition
According to guidelines, scoring N3 in pediatric patients is BEST described by:
Term
Asystole is a cardiac pause for 3 seconds or greater
 Definition
Scoring cardiac events in adults, which of the following is the BEST statement:
Term
1
 Definition
For pediatric CPAP titration, how many hypopneas must occur before increasing pressure?
Term
The maximum frequency is 2.0 Hz
 Definition
Which is a required characteristic for scoring rhythmic movement disorder?
Term
initiate emergency response team
 Definition
The most appropriate action a tech would take when there is confirmed ventricular tachycardia lasting greater than 30 seconds is to:
Term
Cheyne Stokes Breathing
 Definition
A breathing pattern categorized by at least three cycles of crescendo and decrescendo breathing with a duration of 10 minutes is:
Term
arousal
 Definition
40. SEE IMAGE: The cortical activity seen in the middle of this graphic is: (abrupt shift in EGG frequency lasting at least 3 seconds with 10 seconds of preceding sleep)
Term
the stage that is the greatest portion of the epoch
 Definition
The coexisting sleep stages occur in a single epoch, the epoch should be scored:
Term
histogram
 Definition
What is the BEST tool a physician would use to more clearly explain the results of the sleep study and the importance of therapy to a patient?
Term
Poor sleep hygiene
 Definition
A patient with a history of snoring, obesity, and excessive daytime sleepiness is referred for PSG. The intake questionnaire reveals frequent naps, caffeine use throughout the day and evening, variable bedtime, and 18/24 Epworth Sleepiness Scale score. What is MOST LIKELY the cause of excessive daytime sleepiness in this patient?
Term
Alcoholic beverages
 Definition
Which of the following substances can reduce the effectiveness of PAP therapy?
Term
patient education
 Definition
What has the LARGEST impact on adherence to PAP therapy?
Term
provide the patient with educational material about sleep apnea
 Definition
What is the BEST response when a patient asked the tech if they have sleep apnea and will need to wear a CPAP mask?
Term
untreated depression
 Definition
Which of the following is the MOST LIKELY cause of a 35 minute REM latency?
Term
Obesity hypoventilation
 Definition
This syndrome characterized by prolonged episodes of hypoxemia and associated PaCO2 elevation that worsens during sleep:
Term
Call the physician for confirmation
 Definition
A Patient's chart indicates that they use 3lpm of O2 at home. The tech notes that the physician's orders for the PSG specifies that the study start without supplemental O2 and to add 1lpm if O2 is less than 89%. The BEST action for the tech to take is to:
Term
There is one level of pressure of inspiration and expiration.
 Definition
Which statement is true regarding CPAP?
Term
Hypoxemia and hypercapnia
 Definition
When reviewing a patient's history in preparation for a PSG, physiological findings suggestive of hypoventilation include:
Term
desensitization
 Definition
A process to decrease for of artificial circumstances by repeated and controlled exposure to a feared situation is:
Term
Pittsburgh Sleep Quality Index (PSQI)
 Definition
A self-reporting tool used to evaluate subjective sleep quality and disturbance over the previous month is:
Term
Increased sleep efficiency
 Definition
Which of the following is the MOST LIKELY effect of Zolpidem and Zaleplon?
Term
5 minutes
 Definition
CPAP should be increased at an interval of no less than:
Term
Use an oronasal interface
 Definition
A patient reports a complete nasal obstruction prior to PAP titration. The tech should:
Term
conjunctivitis
 Definition
Which of the following is MOST LIKELY to occur due to improperly fitting PAP interface?
Term
Change to bilevel
 Definition
During a CPAP titration at 15cmH2O, the patient is restless and continues to have frequent OA's. The BEST action is to:
Term
prevent upper airway occlusion
 Definition
59. The PRIMARY function of EPAP is to:
Term
Target SpO2 between 88-94%
 Definition
Recommended guidelines for the titration of supplemental O2 during PAP titration:
Term
positional therapy
 Definition
Based on the PSG results below, what would the BEST recommendation for a patient that is non-compliant and refuses to continue PAP therapy?
Overall AHI: 8
Overall REM AHI: 38
Supine REM AHI: 28
Supine NREM AHI: 21
Lateral NREM AHI: 1
Lateral REM AHI: 3
Term
4cmH2O
 Definition
What is the RECOMMENDED starting pressure for pediatric and adult CPAP titration?
Term
wash out CO2 and prevent re-breathing
 Definition
The purpose of intentional leaks is to:
Term
4cmH2O, and 10cmH2O
 Definition
According to RECOMMENDED guidelines, what is minimum and maximum pressure support for bilevel PAP?
Term
Reposition and adjust PAP interface
 Definition
During stage N2 sleep, the patient changes position and the tech notices increased snoring and increasing leak. The tech should:
Term
water to pool in CPAP tubing
 Definition
Excessive warming and humidification will cause:
Term
schedule a desensitization
 Definition
When a patient complains of claustrophobia, is unable to tolerate PAP and requests to end the PSG, the next BEST step is to:
Term
airflow signal generated by PAP delivery device
 Definition
The best method for detecting apneas and hypopneas during PAP titration is to use:
Term
has not eliminated cheyne stokes breathing or central emergent apneas
 Definition
Adaptive servoventillation can be considered during a titration study when a down titration:
Term
help reduce nasal decongestion
 Definition
The PRIMARY benefit of heated humidification is to:
Term
unacceptable leak values
 Definition
The most common reason for changing the PAP interface during titration is:
Term
14/10 (IPAP/EPAP)
 Definition
During a titration study, the patient's apneas are eliminated at 10cmH2O but hypopneas and snoring continue at 16cmH2O. The appropriate response would be to begin bilevel titration are:
Term
REM and slow-wave rebound
 Definition
73. In patient's with severe sleep disordered breathing, the most commonly seen response resulting from successful PAP titration is:
Term
aerophagia
 Definition
A side effect of CPAP is:
Term
Follow protocol for supplemental O2
 Definition
During CPAP titration at 10cmH2O, SpO2 values range between 80-85% for 10 minutes despite absence of respiratory events. What is the BEST action to take?
Term
insomnia
 Definition
Actigraphy is most useful in the evaluation of:
Term
inadequate sleep hygiene
 Definition
The most common cause for insomnia in the general population is:
Term
complex sleep apnea
 Definition
The emergence of central respiratory events during PAP titration for treatment of OSA is described as:
Term
quality assurance
 Definition
A systematic process of verifying compliance with specific requirements is:
Term
hyperactivity
 Definition
OSA in pediatric patient is MOST commonly associated with:
Term
Inadequate sleep hygiene
 Definition
(2)6. A patient that intentionally engages in sleep behavioral patterns that are inconsistent with sleeping well is demonstrating:
Term
minimize skin irritation
 Definition
The PRIMARY reason for instructing patients to clean masks daily is to:
Term
Increased REM
 Definition
(2)8. When reviewing the medical history, the tech notes that the patient takes Xanax for panic attacks. The tech should anticipate:
Term
maintain awareness of the potential for false oximetry values
 Definition
When reviewing a patient's medical history it is noted that one of the differential diagnoses is hypotension. Which of the following is MOST appropriate:
Term
Obesity-Hypoventilation
 Definition
The syndrome resulting from prolonged severe episodes of hypoxemia during sleep and associated with in an increase in PaCO2 the worsens during sleep is:
Term
cumulative effect of insufficient sleep
 Definition
Sleep debt can be BEST described as:
Term
Metabolic
 Definition
Review of the patient medical history indicates obesity, hyperlipidemia, hypertension, and insulin resistance, What syndrome would this represent?
Term
CPAP splints the obstructive airway open
 Definition
(2) 13. When explaining to a patient how CPAP helps eliminate obstructive apnea, the tech would explain that:
Term
Ventricular Tachycardia
 Definition
Which arrhythmia would require activation of the emergency response team?
Term
3 consecutive epochs of stage R
 Definition
(2) 15. Which of the following would be an appropriate time to end a MWT trial?
Term
Aids in identification of REM
 Definition
(2) 16. A primary reason for asking a patient to look up and down left and right during physiological calibrations:
Term
Idiopathic hypersomnia
 Definition
(2) 17. The MSLT results would be compatible with:
Nap 1:3
Nap 2:6
Nap 3: 4
Nap 4: 1.5
Nap 5: 2
Term
Pasteurization
 Definition
Which method is recommended for a sleep center to disinfect reusable PAP humidity chambers?
Term
increase sampling rate
 Definition
Which would increase the resolution of EEG spikes and improve definition of the waveforms?
Term
Eye movement
 Definition
Which of the following is a physiological artifact?
Term
7 uv/mm
 Definition
(2) 21. When performing a PSG on a 5 year old, the tech notes that the amplitude generated by the EEG and EOG electrodes is too high to clearly see the activity and cause the waveforms to square off. What sensitivity adjustment would be appropriate?
Term
Observe for crescendo-decrescendo pattern in the respiratory channels
 Definition
Which method would BEST aid in distinguishing idiopathic central sleep apnea from Cheyne Stokes respirations?
Term
5.8cm
 Definition
What is the correct distance between O1 and O2 electrodes for a patient with a front polar-occipital plane (Fpz-Oz) circumference of 58cm and a nasion-inion distance of 40cm?
Term
pulse oximetry
 Definition
Indirect monitoring of oxygen level by the use of sensors that detect light wave absorption is:
Term
to monitor a patient's response to oral appliance therapy
 Definition
According to guidelines, portable monitoring is acceptable when:
Term
Capnography
 Definition
What additional parameter would be MOST useful to monitor when a recording a patient with COPD?
Term
correct abdominal belt function
 Definition
(2) 27. SEE IMAGE: What action is needed to ensure accurate recording of events? (ABD belt flat line)
Term
document any changes in recording parameters
 Definition
One of the most important roles of data collection for the recording tech is to:
Term
500 Hz
 Definition
The desired sampling rate for recording EOG is:
Term
document on the record and in the tech notes
 Definition
Which of the following is an appropriate action when a patient has a prosthetic eye?
Term
6
 Definition
the minimal recording duration in hours for an adult PSG is:
Term
montage
 Definition
The electrode array used for recording physiologic activity is referred to as:
Term
submentalis
 Definition
The two inferior chin electrodes are placed on the
Term
inductance plethysmography
 Definition
According to guidelines, respiratory efforts should be recorded with:
Term
C4-M1
 Definition
(2) 35. Which of the following is an example of a bipolar derivation?
Term
respiratory related
 Definition
(2) 36. SEE IMAGE: How would the arousal in the middle of this epoch be classified? (follows a decrease in flow)
Term
out of phase with respiratory effort with airflow remaining flat
 Definition
Paradoxical breathing is identified by channel deflections that are:
Term
12.8 minutes
 Definition
Calculate the mean sleep latency based on the following MSLT sleep latency values:
Nap 1: 20
Nap 2: 15
Nap 3: 2
Nap 4: 7
Nap 5: 20
Term
32/hr
 Definition
Calculate the AHI using the following data?
TRT=8.5
TST=6
OAs=55
MAs=27
OHs=110
RERAs=199
Term
the number of apneas and hypopneas per hour of sleep
 Definition
The Apnea Hypopnea Index is reported as the:
Term
RERA
 Definition
A sequence of breaths lasting at least 10 seconds that does not meet the criteria for an apnea or hypopnea, characterized by increasing respiratory effort snd ending in an arousal:
Term
vertex waves
 Definition
In patients who do not have dominant posterior alpha rhythm, stage N1 should be scored when
Term
Frequency increases with age
 Definition
Which of the following is true of posterior dominant rhythm in infants in children?
Term
Asystole
 Definition
Absence of a heartbeat is called:
Term
flattening of the inspiratory airflow profile associated with an arousal
 Definition
When airflow changes do not meet the criteria for OA's or OH's, RERAs can be estimated for:
Term
1 second
 Definition
An arousal during stage R must be accompanied by an increase in submittal EMG lasting at least:
Term
Intercostal EMG
 Definition
Which of the following is the best method to aid in the clarification and differentiation of central versus obstructive respiratory events?
Term
There must be a sequence of >2 breaths that do not meet the criteria for apnea or hypopnea but lead to arousal.
 Definition
Guidelines for scoring RERAs in children:
Term
transient muscle activity is a feature of stage R
 Definition
Which of the following is the BEST statement regarding the use of non-EEG parameters for distinguishing NREM sleep from REM sleep in infants younger than 6 months?
Term
V waves
 Definition
Sharply contoured waves clearly-distinguishable from the background with a duration <0.5 seconds occurring maximally oner the central regions:
Term
Review current mask option with the patient
 Definition
A patient who has been compliant with PAP therapy for two years returns complaining of persistent mask leak. The best action is to:
Term
at intervals of >=5 minutes after observing 2 OAs
 Definition
According to guidelines for adult patients, CPAP pressure should be increased:
Term
1
 Definition
When performing a PAP titration on a 10 year old, how many minutes of unambiguous snoring should be observed before increasing CPAP?
Term
15 minutes
 Definition
When titrating supplemental O2 the interval required between changes should be no shorter than
Term
1 hypopnea
 Definition
According to guidelines for titration of pediatric patients, CPAP should be increased when which of the following is observed?
Term
11/6 IPAP/EPAP
 Definition
An adult patient with good resolution of obstructive apneas on IPAP of 10cm and EPAP of 6cm begins having hypopneas after rolling supine. According to guidelines, what bilevel pressures would be appropriate after observing three obstructive hypopneas?
Term
flow limitation
 Definition
During a PAP titration, signal flattening in the nasal pressure monitor indicates:
Term
Verify correct pressure with a manometer
 Definition
When a patient calls the sleep center complaining that the pressure on their CPAP machine seems too high and is making it difficult to exhale, the first step would to:
Term
mild OSA
 Definition
Oral appliance is an alternative option for patients with:
Term
good
 Definition
A patient's RDI is reduced from 55/hr. pre-intervention to 8/hr. on CPAP, with 43 minutes of uninterrupted supine REM sleep observed. According to the AASM guidelines, this titration would be classified as:
Term
document the mask leak and then take no action until patient awakens
 Definition
You are titrating a patient on nasal CPAP when you notice considerable mask leak during stage R but no SDB is present. Which of the following is the BEST action to take?
Term
improve CPAP utilization
 Definition
According to guidelines, heated humidification is indicated to:
Term
The mask must be pressurized
 Definition
What is needed to determine a proper mask fit?
Term
Montage
 Definition
What type of calibration is defined as applying a calibration signal of known voltage to all amplifiers simultaneously, with the sensitivity snd filter controls set to values used at the beginning of a study?
Term
4cmH2O
 Definition
According to guidelines, the beginning pressure of a titration should be:
Term
CPAP (IPAP if bilevel) can be increased to reduce the requirement of supplemental O2 if tolerated
 Definition
Which of the following BEST describes the RECOMMENDED method to wean down supplemental O2 during PAP titration?
Term
unnecessarily high pressure
 Definition
Overcompensation for mask/mouth leaks when using auto titration CPAP (APAP) is MOST LIKELY to result in:
Term
pneumothorax
 Definition
Which of the following is a contraindication for CPAP therapy?
Term
3 RERAs
 Definition
According to guidelines for patients <12 y/o CPAP should be increased after observing at least:
Term
Air hunger
 Definition
When a patient states that they feel like they are suffocating and can't get enough air when on CPAP, they are most likely complaining of:
Term
Reschedule the procedure, instructs the patient not to pre-medicate before the next test, and arrange transportation for the patient.
 Definition
The sleep tech notices the patient was pre-medicated at home with large amounts of Ativan (Lorazepam). Which reviewing the risks and benefits of the procedure with the patient, the tech determines that the patient does not appear to understand the information. Which of the following actions would be most appropriate?
Term
reschedule the procedure informing the mother that is essential that she sign all legal documents prior to the test
 Definition
The mother of a 17 year old patient dropped the patient off at the sleep lab and left immediately for work. After reviewing the patient's privacy rights, benefits, confidentiality, etc. the tech should:
Term
the patient is 62 years old
 Definition
A male patient preparing for surgery has completed the STOP-BANG questionnaire and the provider is concerned that the patient may have sleep apnea. All of the following would indicate that the patient is at risk for sleep apnea EXCEPT:
Term
Notify the supervisor immediately with concerns about falsification of credentials and patient safety
 Definition
The sleep tech notices that one of the other sleep lab employees has the RPSGT acronym on his name badge and is certain that this person has not yet taken the RPSGT exam. Which of the following would be the most appropriate action?
Term
confusion during the early evening hours
 Definition
Sundowning in elderly patients is described as?
Term
A special bed that allows him to sleep in a semi-Fowlers position
 Definition
A patient with morbid obesity is undergoing a sleep study. Which of the following modifications should the sleep tech consider for this patient?
Term
not be accompanied by a guard
 Definition
A patient undergoing a sleep study us reported to be coming from the local prison. All of the following modifications will ensure safety in the sleep lab EXCEPT that the patient should:
Term
thalamus
 Definition
The brainstem consists of all of the following components EXCEPT the
A. pons
B. thalamus
C. medulla oblongata
D. midbrain
Term
Thalamus
 Definition
The area of the brain that regulates sleep is the:
Term
Suprachiasmatic nucleus
 Definition
A patient that works nightshift complains that he cannot sleep after driving home in the morning. The patient's insomnia is the result of stimulation of which part of the brain?
Term
decreased heart rate
 Definition
Innervation of the sympathetic nervous system results in all of the following EXCEPT:
Term
Decreased heart rate
 Definition
Which of the following will occur with innervation of the parasympathetic nervous system?
Term
Circadian Rhythm Disorder
 Definition
A patient recently returned to New York after four weeks in California. He complains about his inability to sleep. This situation is most likely the result of:
Term
They have smooth muscle and no cartilage to hold them open
 Definition
Which of one of the following is TRUE when describing the bronchioles?
Term
Decrease in sleep
 Definition
Decreased levels of dopamine will cause which of the following?
Term
The presence of fibrillatory waves instead of P waves
 Definition
Atrial fibrillation is characterized by which of the following?
Term
check the ECG electrodes to ensure connectivity to the patient
 Definition
A patient is having numerous obstructive apnea events. The tech notices a flat line over the ECG on the monitor. The tech should:
Term
OKAY
 Definition
STUDY EKG on PG. 37
Term
as soon as possible
 Definition
A patient being evaluated has completed the Epworth Sleepiness Scale questionnaire and received a score of 23. After reviewing the score with the patient, the sleep tech should schedule a sleep study:
Term
dyspnea
 Definition
All of the following may indicate that a patient has sleep apnea EXCEPT:?
A. headaches
B. hx of snoring
C. dyspnea
D. afternoon drowsiness
Term
parking at the facility
 Definition
A post-study questionnaire should include all of the following EXCEPT:
Term
respiratory bronchioles
 Definition
The area of the lungs that participates in gas exchange is called:
Term
room air and expired air
 Definition
A thermistor measures airflow by comparing temperature between
Term
hair
 Definition
Applying alcohol to prepare a patient's skin for electrode placement may be necessary to remove all of the following EXCEPT:
Term
? Room air and expired air
 Definition
?A thermocouple measures airflow by comparing temperatures between
Term
Piezo-electric
 Definition
A RIP belt utilizes which of the following principles?
Term
hypotension
 Definition
A pulse oximetry reading would be inaccurate in a patient with:
Term
airway resistance
 Definition
The main indication for measuring esophageal pressures in a sleep lab would be to determine
Term
silver-silver chloride paste
 Definition
The best type of conductive paste when affixing EEG electrodes to the scalp is
Term
hypopneas
 Definition
The accuracy of pressure transducer monitoring for airflow may be affected by all of the following EXCEPT:
A. warm room
B.ceiling fan
C. hypopneas
D. moisture on the sensor
Term
lateral larynx
 Definition
The best location for proper placement of the snore mic is over the
Term
dysphagia
 Definition
BIPAP is contraindicated for patients with
Term
120 cycles per second
 Definition
A current of 120 Hz means the current is going from positive to negative at a rate of
Term
alternating current
 Definition
AC means
Term
Voltage / Pen Deflection
 Definition
What is the correct formula for sensitivity?
Term
high resistance to flow
 Definition
When there is high impedance to electrical flow, this means there is
Term
a smaller deflection
 Definition
The sleep tech increases the sensitivity of the ECG channel. This will cause
Term
decreases the work of breathing
 Definition
The following are all advantages to light therapy EXCEPT:
A. helps treat Delayed Sleep Phase Syndrome
B. resets circadian pacemaker
C. suppresses melatonin
D. decreases the work of breathing
Term
CZ
 Definition
Halfway point from nasion to inion?
Term
FpZ
 Definition
10% up from nasion?
Term
Cz
 Definition
20% up from FPZ?
Term
Fp2
 Definition
5% right of FPZ?
Term
1 cm out an 1 cm UP
 Definition
EOG electrodes for the right eye are places where in relation to the outer canthus?
Term
attach the probe to the patient's ear lobe.
 Definition
While attaching a pulse oximeter with disposable finger probe, the sleep tech notices the patient has bright red acrylic fingernails. The tech should:
Term
OK!
 Definition
REFRESH RESP/Met alk/acidosis
Term
gastroesophageal reflux
 Definition
A pH catheter is used to assist in the diagnosis of
Term
placed in the esophagus, 5cm above the lower esophageal sphincter, a pH <4.0
 Definition
Which would confirm proper placement of the pH catheter?
Term
LFF 0.1Hz HFF 100Hz
 Definition
A typical sleep study montage for the F4-M1 channel would be
Term
LFF 0.3 Hz; HFF 70 Hz
 Definition
A typical sleep study montage for the ECG channel would be
Term
LFF 0.1 Hz; HFF 15 Hz
 Definition
A typical sleep study montage for the
ABD channel would be
Term
M1
 Definition
What is the recommended reference montage for polysomnography?
Term
at the bottom
 Definition
When a typical sleep montage is displayed on the computer screen, where is the SpO2 channel displayed?
Term
common mode rejection ratio
 Definition
When two signals cancel each other, this is referred to as
Term
2 & 3 only
 Definition
Low frequency filters:
1. eliminate high frequencies
2. decrease the amplitude of low frequencies
3. allow the low frequencies to pass at the maximum
4. strengthen the activity in EOG channels
Term
weaken high frequencies & strengthen the muscle activity in the EEG channel
 Definition
High Frequency Filters
Term
35 Hz
 Definition
The normal EEG filter setting is 0.5 to
Term
20 mm
 Definition
When performing a mechanical baseline calibration, the sleep tech should keep the distance between pens set at
Term
0.5 - 2 Hz, amp of 75uV, peak in F's
 Definition
Slow Wave activity
Term
0-3.9Hz
 Definition
Delta waves
Term
4-7.9
 Definition
Theta Waves frequencies
Term
8-13 Hz, recorded over the O's
 Definition
Alpha Waves
Term
>13 Hz
 Definition
Beta Waves
Term
benzodiazepines
 Definition
Excessive spindles may be caused by
Term
CSA, meningitis, CHF, increased intracranial pressure
 Definition
Causes of cheyne-stokes breathing include
Term
obesity, deviated septum, sedatives, alcohol
 Definition
Causes of hypopneas include
Term
faster EEG frequency change of at least 10 seconds
 Definition
Arousals from sleep can be determined by abrupt
Term
0.5 to 10 seconds
 Definition
An elderly patient arrives in the sleep lab. Her husband complains that she kids most of the night while sleeping. The doc suspected that patient has PLMS. While watching the montage, the tech notices increase amplitude in the EMG channel during N2 sleep. To confirm that this is a PLM, the event must range from
Term
REM behavior disorder
 Definition
A patient's wife mentions that he sleep walks through the house calling for their dog who's been gone for 7 years. The tech should suspect the patient has
Term
bruxism
 Definition
Patient complains of headaches, jaw pain, stress, and an earache. The tech should suspect the patient has
Term
it occurs mostly in stage 2, there should be an increase in masseter muscle activity
 Definition
What should you look for in the montage to determine bruxism?
Term
dental guard
 Definition
What type of therapy should the sleep tevh suggest to treat bruxism?
Term
Alpha in the O's; Eye Movements
 Definition
The tech scores the first ten epochs of the sleep study as Wake. Which of the following should the tech observe?
Term
SEMs. Vertex waves over the C's, Theta Waves, Hypnagogic hallucinations
 Definition
The sleep tech scores a patient's montage and believes that the epochs being reviewed reveal that the patient is in stage 1. Which should the tech observe?
Term
high voltage EEG, Rapid Eye Movements, sawtooth theta waves
 Definition
What should a tech look for in the montage to score REM
Term
0.25-2 seconds
 Definition
Bruxism lasts
Term
0.5-2.0Hz
 Definition
Score Rhythmic Movement Disorder by a frequency range of
Term
Stage W, N
 Definition
Which of the following terms are appropriate when scoring sleep in children 2 months post-term
Term
O2 saturation, Type of airflow sensor, type of respiratory effort sensor, HR
 Definition
Which of the following general parameters must be reported during home sleep testing in adult patients?
Term
Spindles, Theta waves, K complexes
 Definition
N2 sleep contains which of the following?
Term
!!!
 Definition
REFRESH AHI/TST/BMI formulas
Term
CHF, Obesity, Hypertension, Short necks
 Definition
What could affect ECG artifact in more than one channel?
Term
5
 Definition
Optimal PAP therapy is achieved when the AHI is less than
Term
Cheyne-stokes respirations, CSA, Mixed Sleep Apnea, neurological disorders
 Definition
NPPV with a backup rate is indicated in patients with
Term
30cm
 Definition
The recommended MAX IPAP for adult is
Term
20cm
 Definition
the recommended MAX IPAP for children under 12
Term
differentiate between narcolepsy and EDS
 Definition
One of the major purposes of conducting an MSLT is to
Term
sleep latency, mean sleep latency, and # of REM periods
 Definition
What does a sleep tech score on MSLT?
Term
20 minutes from the start of the trial
 Definition
During a MWT, a nap may be terminated
Term
less than 8 minutes
 Definition
a MWT is considered abnormal when the mean sleep latency is
Term
Advanced Sleep Phase Syndrome, Delayed Sleep Phase Syndrome, Patients with insomnia
 Definition
Indications for Actigraphy include
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