RPSGT PRACTICE EXAM

A PATIENTS OXIMETER READING DURING PATIENT CALIBRATION IS 88%. WHICH OF THE FOLLOWING WOULD BE THE APPROPRIATE RESPONSE?

PLACE THE PROBE ON THE PATIENTS EARLOBE

A PATIENT WITH ONDINES CURSE WOULD BE EXPECTED TO HAVE WHICH TYPE OF RESPIRATORY IMPAIRMENT IN SLEEP

CENTRAL SLEEP APNEA

ACCORDING TO THE AASM, INTERCOSTAL EMG ACTIVITY IS AN ACCEPTABLE ALTERNATIVE SESOR FOR RECORDING WHAT PARMETER

DETECTION OF RESPIRATORY EFFORT

SLOW ROLLING EYE MOVEMENTS OCCURING DURING STAGE N1 SLEEP WILL BEST BE SEEN AT LOW FILTER SETTING OF

0.3HZ

A 1.0 HZ EEG WAVE IS MEASURED AT 15MM PEAK TO PEAK. THE SENSITIVITY IS 5UV/MM. THE VOLTAGE OF THE WAVE IS

75UV

A CHEYNE STOKES BREATHING PATTERN IS OFTEN SEEN IN PATIENTS WITH

CONGESTIVE HEART FAILURE

CAPNOGRAPHY MEASURES

EXPIRED CO2

WHICH OF THE FOLLOWING HIGH FREQUENCY FILTER SETTINGS IS RECOMMENDED FOR RECORDING SUBMENTAL EMG

100HZ

ENDOESOPHAGEAL PRESSURE MEASUREMENTS WOULD BE MOST HELPFUL IN EVALUTATING WHICH SLEEP DISORDERS

SLEEP RELATED BREATHING DISORDERS

A PATIENT BEING EVALUATED FOR OBSTRUCTIVE SLEEP DISORDERED BREATHING HAS ATRIAL FIBRILLATION. WHAT SHOULD THE TECH DO

CONTINUE TO OBSERVE AND DOCUMENT RHYTHM

WHICH OF THE FOLLOWING IS THE MOST DANGEROUS CARDIAC RHYTHM

VENTRICULAR FIBRILLATION

HOW WOULD YOU COMPUTE SLEEP EFFICIENCY

TOTAL SLEEP TIME DIVIDED BY TIME IN BED X 100

HOW DO YOU CALCULATE APNEA + HYPOPNEA INDEX

# APNEAS AND HYPOPNEAS DIVIDED BY TST X60

WHICH HIGH PASS FILTER SETTING IS MOST APPROPRIATE FOR RECORDING RESPIRATION

0.1HZ

THE PURPOSE OF AN EXHALATION PORT IN A CPAP CIRCUIT IS

TO VENT EXHALED C02

WHICH OF THE FOLLOWING ARE CHARACTERISTIC OF A PVC

THE QRS IS WIDE AND BIZARRE

A NORMAL VARIATION IN SINUS RHYTHM WHICH IS RELATED TO RESPIRATORY RATE AND RESULTS FROM VAGAL TONE INHIBITION DESCRIBES

SINUS ARRHYTHMIA

A SUSTAINED HEART RATE OF >90 BEATS/MINUTE DESCRIBES

SINUS TACHYCARDIA

PARTIAL AV BLOCK IN WHICH THE PR INTERVAL INCREASES PROGRESSIVELY UNTIL THERE IS AN ATRIAL IMPULSE WITHOUT A CORRESPONDING VENTRICULAR BEAT DESCRIBES

MOBITZ TYPE 1 AV BLOCK

WHAT IS THE MOST LIKELY LOW FREQUENCY FILTER SETTING OF CHANNEL 1

1.0 HZ

WHICH CHANNEL SETTING IS BEST FOR EMG RECORDING

2 CHAN 2 HAS A VERY QUICH RETURN TO BASELINE, (VERY SHORT TIME CONSTAT)

REFER TO THE 30 SECOND EPOCH SHOWN HERE. IF THE NEXT EPOCH CONTAINS 30 SECONDS OF LOW VOLTAGE, MIXED FREQUENCY IN THE 4-7 HZ RANGE, AND NO EYE MOVEMENTS, WHAT IS THE SLEEP STAGE OF THAT NEXT EPOCH?

STAGE N1 THE EPOCH SHOWN CONTAINS A K COMPLEX, POSSIBLE A SPINDLE AND LESS THAN 20% HIGH AMPLITUDE SLOW WAVES, MAKING IT STAGE N2 THERE IS AN AROUSAL AT THE END OF THE EPOCH. IF THE FOLLOWING EPOCH IS AS DESCRIVED, WITHOUT EITHER A K COMPLEX OR SPINDLE. IT IS THEN STAGE N1

A PATIENT HAS POOR EXTREMITY CIRCULATION THAT IS AFFECTING THE ACCURACY OF THE PULSE OXIMETRY READINGS FROM FINGER PROBE. WHICH WOULD BE THE MOST APPROPRIATE ACTION

PUT THE PROBE ON THE PATIENTS EAR

SCORING STAGE N1 SLEEP REQUIRES AN ABSENCE OF

SLEEP SPINDLES

CARDIAC ACTIVITY IN WHICH ALL ATRIAL IMPULSES ARE BLOCKED AT THE AV JUNCTION, AND THE ATRIA AND VENTRICLES BEAT INDEPENDENTLY IS CALLED

3RD DEGREE AV BLOCK

WHICH OF THE FOLLOWING IS AN EXAMPLE OF A RHYTHMIC MOVEMENT DISORDER

JACTATIO CAPITIS NOCTURNA

SLEEP TERRORS ARE USUALLY ASSOCIATED WITH

OCCURRENCE IN THE 1ST THIRD OF THE SLEEP PERIOD

THE IMAGE SHOWN HERE IS AN EXAMPLE OF

BRUXISM

THE IMAGE SHOWN HERE, IS AN EXAMPLE OF

WENCHEBACH AV BLOCK

IN THE IMAGE SHOWN HERE, LOCATION 6 CORRESPONDS TO WHICH ELECTRODE

F4

THE IMAGE SHOWN HERE, IS AN EXAMPLE OF

ATRIAL FLUTTER

WHAT IS THE CARDIAC ACTIVITY IN THE IMAGE SHOWN HERE

COUPLET

ACCORDING TO THE 10-20 INTERNATIONAL SYSTEM OF ELECTRODE PLACEMENT, T3 IS LOCATED

10% ABOVE THE LEFT PREAURICULAR POINT

ACCORDING TO THE 10-20 INTERNATIONAL SYSTEM OF ELECTRODE PLACEMENT, CZ IS LOCATED

AT THE MIDPOINT BETWEEN THE 2 PREAURICULAR POINTS AND THE NASION AND INION

THE ANTERIOR-POSTERIOR INTERSECTION FOR THE PLACEMENT OF C3 IS LOCATED BY MEASURING

50% OF THE DISTANCE BETWEEN FP1 AND O1

USING THE RECORDING MONTAGE
CHANNEL 1 C3-M2
CHANNEL 2 O1-M2
CHANNEL 3 E2-M1
CHANNEL 4 E1-M1
AN ARTIFACT APPEARS ONLY ON CHANNEL 3. WHICH ELECTRODE IS CAUSING THE ARTIFACT

E2

AN ARTIFACT SEEN IN ONLY ONE OF THE EEG CHANNELS IS PROBABLY DUE TO A PROBLEM WITH THE

EEG ELECTRODE

ACCORDING TO AASM, WHICH OF THE FOLLOWING IS THE RECOMMENDED DEFINITION OF A HYPOPNEA

DECREASE OF THE NASAL PRESSURE SIGNAL BY AT LEAST 30% FOR AT LEAST 10 SECONDS AND AT LEAST A 4% DESATURATION

A(AN)____________ USES SELECTIVE ABSORPTION OF LIGHT THROUGH VASCULARIZED TISSUE TO MEASURE ___________________

PULSE OXIMETER, OXYGEN SATURATION

A PATIENT SCHEDULED FOR A PSG TO RULE OUT PARASOMNIA HAS A BENZODIAZEPINE ON THEIR LIST OF MEDICATIONS. WHAT SHOULD YOU EXPECT TO SEE ON THE PSG

DECREASED STAGE N3 A BENZO IS A HYPNOTIC, DECREASING SLEEP LATENCY AND % STAGE N1

IMPEDANCE IS A MEASURE OF

RESISTANCER

YOU ARE PREPARING A PATIENT FOR PSG WHO PRESENTS WITH A HISTORY OF COPD. AS A TECH, YOU SHOULD

BE ALERTED TO THE POSSIBILITY OF LOW NOCTURNAL OXYGEN LEVELS AND CO2 TETENTION

WHAT TYPE OF LIGHT IS USED IN A PULSE OXIMETER

INFRARED AND RED

A PATIENT IS SCHEDULED FOR A PSG WITH TRICYCLIC ANTI DEPRESSANT MEDICATION ON HER LIST OF MEDICATIONS. WHAT SHOULD YOU EXPECT TO SEE ON HER PSG

INCREASED REM LATENCY TRICYCLIX ANTIDEPRESSANTS GENERALLY ARE STAGE R SUPPRESSING OFTER INCREASING REM LATENCY. WITHDRAWAL OF THE MEDICATION MAY LEAD TO AN INITIAL REBOUND OF STAGE R AND A SHORTENING OF THE REM LATENCY

A HIGH PASS FILTER IS ALSO KNOWN AS

LOW FREQUENCY FILTER

ACCORDING TO THE 10-20 INTERNATIONAL SYSTEM OF ELECTRODE PLACEMENT, O1 AND O2 ARE LOCATED

5% ON EITHER SIDE OF OZ

AN AROUSAL IN STAGE R SLEEP SHOULD BE SCORED IF

THERE IS A >3 SECOND BURST OF ALHP IN THE OCCIPITAL CHANNEL AND THERE IS A CONCURRENT INCREASE IN THE CHIN EMG LASTING AT LEAST 1 SECOND

Hypercapnia is

Elevated carbon dioxide levels in the blood

A thermocouple

is susceptible to artifact caused by CPAP flow

at least three consecutive cycles of cyclical crescendo and decrescendo change in breathing amplitude with an index of 5 or more central apenas or hypopneas or a duration of at least 10 consecutive minutes is the AASM recommended rule for

cheyne stoke's breathing

Hypoxemia is

decreased oxygenation in the blood

If a patient with suspected Advanced sleep phase syndrome is studied in the Sleep Lab at conventional hours (recording time from 10 to 11 p.m. to 6 to 7 a.m) what would you expect to see

prolonged wakefulness at the end of the recording

sleep efficiency is defined as

The ratio of all sleep stages to TRT

REM sleep is associated with which of the following psychologic activity

variable heart rate, irregular respiration, and decrease in tonic muscle activity

according to a AASM how many seconds of stable sleep must proceed each arousal

10 seconds

According to the AASM. What is the minimum period of time between limb movements and a PLM series

5 seconds

Which of the following patients would be most likelyto have a history of cataplexy

A patient with narcolepsy

2-5 % of TST, in A normal young adult, is characteristic of which sleep stage

N1

A PLM episode is classified as

At least 4 limb movements lasting 0.5-10 seconds separated by 5-90 seconds

According to AASM, what is the minimum recommended digital resolution

12 bits per sample

According to AASM, what is the minimum recommended sampling rate for EEG

500 Hz

According to AASM, what is the definition of Stage R latency

Sleep onset to the first epoch of Stage R

Which of the following Epworth Sleepiness Scale scores would be considered abnormal

18

According to AASM, what is the frequency range of slow wave activity

0.5-2 HZ

A patient is scheduled for a PSG & in reviewing his history, you see that he had a previous PSG that indicated "REM-related apnea. When would expect to see the highest concentration of respiratory events on his study

During the last third of the study

In bi-level positive airway pressure, what is the purpose of the pressure drop during exhalation

Increased comfort for patients who have trouble exhaling against an incoming pressure

A person with delayed sleep phase syndrome is most likely to be

An adolescent

Central sleep apnea is demonstrated by which of the following

Simultaneous cessation of airflow and respiratory effort

With a signal deflection of 10mm and an input voltage of 50uV, what would the sensitivity setting be

5uv

Intercostal EMG is best seen with which Time constant

0.003 seconds time constant for EMG would be very short this would correspond to the recommended LFF Setting of 10Hz

Which of the following best describes how bi-level pressures should be adjusted for a patient with OSAs

EPAP is increased to eliminate apneas
IPAP is increased to eliminate hypopneas, snoring, and desaturation

In a policy and procedure manual, which of the following best describes a procedure

Details the implementation of a policy

A montage with the following derivations on adjacent channels is described as Fp1-F3 F3-C3 C3-P3 P3-O1

Bipolar

What is the purpose of the MSDS

Details safe handling of chemical products used in the workplace

A patient is referred to the sleep lab who injects themselves with insulin for diabetes. While cleaning the set up area, the tech is accidently stuck with the needle, left by the patient. What is the first thing that the tech should do.

Wash the area of the stick with soap and water

What property of the eye makes it a dipole

A difference in electrical potential between the cornea and retina

Which of the following are PSG characteristics of REM behavior disorder

Sustained chin EMG during Stage R
Or increased transient muscle activity in the chin or left EMG during Stage R

what is the purpose of standard precautions

reduce the risk of transmission's of blood-borne pathogens and pathogens from moist body substances

a popular acronym for remembering fire safety is race. What does the letter c stand for

Contain

Sleep paralysis

usually lasts a few seconds to a few minutes

A Class C fire involved electrical equipment. If the equipment can't be unplugged what type of fire extinguisher should be utilized

Carbon dioxide or dry chemical extinguisher

A 30 second epoch of stage R is followed by an epoch with no change in the chin EMG, no rapid eye movements, five seconds of Alpha and a spindle in the second half of the Epoch, how should the second epoch be scored

Stage N2

NREM arousal require a concurrent change in the EEG and the

only EEG change is required

according to a AASM what is required for an optimal Pap titration

AHI OF less than 5, and at least 15 minutes of supine stage R without frequent spontaneous arousals