Download Sleep Technology Question and Answers and more Exams Nursing in PDF only on Docsity! Sleep Technology Question and Answers A polysomnogram is used to measure what? - ✅D All of the above Which of the following is the core measurement in polysomnography for staging human sleep? - ✅D. EEG The minimum length of an apnea is? - ✅B. 10 Seconds Standard epoch length used in polysomnograph recording? - ✅A. 10mm/sec - 30 sec epoch Electrode impedance should not exceed? - ✅B. 5,000 ohms The standard paper speed represents how many seconds? - ✅B. 10mm/sec At 10mm/sec each epoch represents how many seconds? - ✅C. 30 Secs Sleep Latency is best defined as? - ✅C. Lights out to sleep onset The common 4 anatomical landmarks used in measuring the head for electrode placement? - ✅C. Nasion to Inion, Preauricular to preauricular Electode impedance in a PSG refers to? - ✅A. Blockage of voltage by skin or foreign material Electode impedance are measured? - ✅D. Both A and B - Before every study and after each reconnect Measuring electrode impedance is necessary to> - ✅A. Ensure quality sleep recordings In Polysomnography, amplitude is a measurement of? - ✅A. Voltage A DC amplifier can be used for all but: - ✅C. EEG An AC amplifier can be used for all but: - ✅C. SPO2 A differential amplifier: - ✅D. Is used for all sleep study monitoring Leakage current can be used by: - ✅D. All of the above The frequency of an EEG signal can be determined - ✅C. Counting the number of waveforms in 1 second The appropriate sensitivity setting for recording EEG in sleep studies? - ✅C. 50 uv/cm Describe the pattern of stage N1 sleep - ✅C. Attenuated voltage, mixed frequency What is the frequency of a vertex wave and when are they usually seen - ✅A. Theta frequency, late stage N1 What is the frequency of an alpha wave and when are they usually seen - ✅A. 8-13 Hz, Wake and stage N1 What is the frequency of a delta wave and when are they usually seen - ✅C. .5 - 2 Hz, stage N3 What is the frequency of a sleep spindle and when are they usually seen - ✅D. 12-14 Hz, stage N2 When can slow rolling eye movements appear - ✅C. Wake, Stages N1, and N2 How would REM sleep be described - ✅D. Low voltage, mixed frequency with sawtooth waves Where are the M1 and M2 placed - ✅Mastoid process Nasion to Inion to find FZ is what percent - ✅20% What measurement is used to measure the head - ✅centimeters what is the justification for the 10/20 measurement? - ✅Sylvin Fisher What muscle is used for the leg leads - ✅Anterior tibialis Definition for montage? - ✅A group of electrode derivations used for a study Definition of derivation - ✅Single pair of electrodes plugged into emplifier Standard Low frequency filters (LFF) on EEG channels - ✅.3 Hz Standard High frequency filters (HFF) on EEG channels - ✅35 Hz What frequency is used for the chin leads - ✅Low is 10 Hz - High is 100/75 Hz Why chemical is used to clean - ✅*Inexpensive and fast acting
