NEW NGN RPSGT EXAM, QUESTIONS AND ANSWERS CORRECT ANSWERS

A patient's EKG tracing shows an irregular R-R rhythm without alterations to the P, QRS, and the T waves. What is the name if this arrhythmia? - ANSWER- Sinus arrhythmia The vertical position of the pens with the polysomnograph amplifiers turned off is referred to as what? - ANSWER- Mechanical baseline An mSLT nap starts at epoch 28. The patient never initiates sleep. What epoch should you terminate the nap on? - ANSWER- Epoch 68 The narcolepsy tetrad includes all the following EXCEPT: 1. Excessive daytime sleepiness 2. Nocturnal myoclonus 3. Cataplexy 4. Sleep paralysis - ANSWER- 2. Nocturnal myoclonus Patient arrives to sleep lab on a nasal cannula at 12 lpm. No specific oxygen order is noted with the PSG study. What would be the most appropriate action? - ANSWER- Contact the ordering physician for order clarification According to the ASDA guidelines, what best defines an arousal during NREM? - ANSWER- A shift in EEG frequency for a minimum of 3 seconds A sawtooth or picket fence appearance on the EKG baseline suggests which type of rhythm? - ANSWER- Atrial flutter According to the principles of differential amplification, electrical interference can best be prevented if. ..? - ANSWER- The impedances of input electrodes are similar A patient is found unconscious and breathless in the washroom. The technologist is unable to get a breath into the patient, even after repositioning the patient's head. What should the technologist do next? - ANSWER- Straddle the patient and perform abdominal thrusts (chest compressions) The recommended EEG scalp electrode impedance levels are: - ANSWER- 5,000 ohms