Intro Into Posm Week 5&6

Front 1

Define Direct Current

Back 1

Continuous flow of electrons in one direction

Front 2

Define Alternating Current

Back 2

Flow of electrons alternates or reverses direction at a given frequency

Front 3

AC appears as a

Back 3

Sinusoidal Wave

Front 4

Hertz is also known as

Back 4

Cycles Per Second

Front 5

The standard AC rate is

Back 5

60Hz

Front 6

Amplitude is also known as

Back 6

Voltage

Front 7

The pyramid for V, I, R is

Back 7

Front 8

Impedance is a measurement of resistance for ________ Circuits

Back 8

Alternating Current

Front 9

Two electrical signals will always have a polarity that is

Back 9

Relative to each other

Front 10

If A is 10 and B is 11 A is (+/-) and B is (+/-) (Select one sign for each letter)

Back 10

A is - while B is +

Front 11

Differential Amps are used in PSG to draw out important

Back 11

bio-electric signals

Front 12

The Differential Amplifier filters out the ______ signals and amplifies the ______ signals ( CMRR)

Back 12

Common and Unique

Front 13

Analog PSGs are also known as

Back 13

Grass Machines

Front 14

What is Nyquist's Theorem

Back 14

An analog signal can be perfectly reconstructed with sampling if the sampling rates is at least twice as much as the highest frequency in the signal

Front 15

The standard ______ is double the highest frequency of the signal band

Back 15

Sampling Rate

Front 16

The sampling rate for E(M,O,E,K)G is

Back 16

500Hz desirable, 200Hz minimum

Front 17

Respiratory Sampling Rate is

Back 17

100Hz Desirable 25 Hz Minimal

Front 18

Oximetry sampling rate is

Back 18

25Hz Desirable 10Hz minimal

Front 19

Body Position sampling rate is

Back 19

Just 1 Hz desirable/minimal

Front 20

Minimal digital resolution is

Back 20

12 bits per sample

Front 21

Time constant percentages include

Back 21

Rise time 63%, Fall time 37%

Front 22

For EMG and snoring Hff/Off standard settings are

Back 22

10Hz LFF; 100 Hz HFF

Front 23

For EKG Lff should be _____ while HFF is ____

Back 23

0.3 Hz; HFF 70 HZ

Front 24

for respiratory, LFF is ___ while HFF is ____.

Back 24

0.1LFF and 15hz HFF

Front 25

Recommended amount of time you should have a patient stay in one spot for a CPAP titration for data before changing

Back 25

15-20minutes

Front 26

Split night studies require ____ hours baseline and _____ hours of titration

Back 26

2. 3.

Front 27

For MSLT, the first nap begins 90-180minutes after

Back 27

Lights On

Front 28

All subsequent naps are taken every ____ hours

Back 28

2

Front 29

If no sleep, nap ends in _____ minutes

Back 29

20

Front 30

If asleep, allow nap to go ____ minutes from sleep onset

Back 30

15

Front 31

A sleep latency less than 5 is a sign of

Back 31

pathological sleepiness

Front 32

Two SOREMPs ( Sleep onset REM Period) during an MSLT means that you have

Back 32

Narcolepsy

Front 33

MSLT's can stop after the 4th nap if you have

Back 33

Greater than 2 SOREMPs

Front 34

An MSLT requires a 5th Nap if you have

Back 34

0-1 SOREMPS

Front 35

MSLT's are also used to identify

Back 35

Hypersomnias, and the efficacy of PAP and other therapies

Front 36

Prior to an MSLT you must have

Back 36

1-2 weeks sleep Diary, discontinue using drugs that affect Sleep and REM latency

Front 37

An MSLT montage includes which channels

Back 37

EOG, EEG, Chin EMG, EKG

Front 38

Mean Sleep Latency Criteria

Back 38

<5 = Severe; Pathological
5-10 = mild-moderate sleepiness
>10 = mild to normal
SOREMPS 2+ is abnormal

Front 39

Maintenance of Wakefulness Test (MWT) is used to

Back 39

Measure Alertness

Establish a patient's ability to stay awake in a dark room w/o stimulation

Front 40

Employers often order MWTs for

Back 40

Truckers/Pilots found sleeping on the job

Front 41

An MWT montage uses

Back 41

same montage as MSLT

Front 42

Following an ANPSG, There are ___ Sleep trials for an MWT

Back 42

4

Front 43

The first MWT trial lasts ________ minutes after lights on

Back 43

90-180

Front 44

The patient has ______ minutes to sleep on each MWT trial

Back 44

40

Front 45

If the patient falls asleep during an MWT the tech

Back 45

awakens the patient after 90 Seconds and trial ends

Front 46

MWT trials have ____ hours in between each one

Back 46

2

Front 47

Sleep Latency <8 minutes in an MWT is

Back 47

Abnormal

Front 48

Instead of using the first epoch of Sleep, MWTs use

Back 48

unequivocal sleep onset

Front 49

What is Nadir

Back 49

lowest SaO2 reading of the recording

Front 50

How do you calculate literally every index

Back 50

#events/TST in minutes and multiply it n 60

Front 51

RDI index includes

Back 51

RERAS, Hypopneas and Apneas as events

Front 52

AHI Index includes

Back 52

Apneas and Hypopneas

Front 53

Leg index includes

Back 53

#of leg movements only

Front 54

What is Poikilothermia

Back 54

When other parts of your body are slightly cool

Front 55

What is Penile Transience

Back 55

Erection during REM

Front 56

Resistance is measured in

Back 56

ohms

Front 57

Current is measured in

Back 57

amps

Front 58

Voltage is measured in

Back 58

volts

Front 59

If your impedances are less than 0.011 what would happen

Back 59

signals would be too small

Front 60

Sensormatics is also known as

Back 60

Somnostar

Front 61

What is UARS

Back 61

Upper Airway Resistance Syndrome