NBRC SDS Exam Study Guide with Complete Solutions 100% Verified Correct Answers 2024 What is the minimum and preferred sampling rate? - Correct Answer Min 200Hz; Preferred 500Hz Which respiratory equipment is used to measure apneas? - Correct Answer Thermistor/thermocouple What are some common troubleshooting issues for the thermistor? - Correct Answer Warm the room, remove fan, moisture on the sensor, battery needs to be changed What is considered the gold standard for measuring respiratory effort? - Correct Answer RIP belts What equipment is used to measure RERAs and Hypopneas? - Correct Answer nasal pressure transducer (PTAF) What is some common troubleshooting issues for the PTAF? - Correct Answer rhinorrhea, position of the sensor, mouthbreathing, LFF can cause a dampened waveform Normal ETCO2 in mmHg and percent - Correct Answer 30 torr and 3-5% What are common issues that can affect the TCOM reading? - Correct Answer skin thickness, anemia, decreased perfusion How do you calibrate the TCOM? - Correct Answer with RA What will happen to the readings if the TCOM has a leak? - Correct Answer PO2 will increase to room PO2, PCO2 will decrease to zero The snore mic is used to detect what? - Correct Answer Bruxism What are the scores of Epworth Sleepiness scale? - Correct Answer 0-5 low-normal daytime sleepiness 6-10 high-normal daytime sleepiness 11-12 Mild EDS 1 / 4
13-15 Moderate EDS 16+ Severe EDS What does STOP-BANG stand for? - Correct Answer Snoring?Tired during the day?Observed apneas Pressure (HTN)?
BMI Age (>50) Neck size (males 17in/43cm; females 16in/41cm) Gender (male) What does answering yes to 2 or less questions on the STOP BANG questionnaire suggest? - Correct Answer low risk for OSA What does answering yes to 3-4 questions on the STOP BANG questionnaire suggest? - Correct Answer Intermediate risk for OSA What does answering yes to 5+ questions on the STOP BANG questionnaire suggest? - Correct Answer High risk of OSA What is Sundowning? - Correct Answer When elderly patients get confused in the early evening What is an important factor to consider when dealing with a patient with PTSD - Correct Answer Ask how is the best way to wake them up during the night if needed What is the role of the sympathetic nervous system - Correct Answer fight or flight what is the role of the parasympathetic nervous system - Correct Answer controls smooth muscle What is the pacemaker for circadian rhythm in the brain - Correct Answer suprachiasmatic nucleus 2 / 4
What effect on sleep does a decrease in dopamine have? - Correct Answer decrease sleep If the distance between 2 R waves is between 3-5 large blocks, the rate is ______ - Correct Answer Normal If the distance between 2 R waves is less than 3-5 large blocks, the rate is ______ - Correct Answer greater than 90bpm (tachycardia) If the distance between 2 R waves is greater than 3-5 large blocks, the rate is ______ - Correct Answer less than 60bpm (bradycardia) What is the formula for estimating HR on ECG - Correct Answer 300/(# of large blocks btwn R waves) What are the causes and treatment of sinus tach - Correct Answer hypoxemia, pain, stress oxygen What are common causes and treatment of sinus brady - Correct Answer blood loss, infection of heart, OSA treat underlying cause What are common treatments for PVCs - Correct Answer oxygen, lidocaine What is bigeminy - Correct Answer PVC every other beat Trigeminy - Correct Answer PVC every 3rd beat Couplet - Correct Answer 2 PVCs in a row What is the treatment for VTach with a pulse - Correct Answer cardioversion What is the treatment for VTach without a pulse - Correct Answer defibrillation 3 / 4
Cardiac ischemia is indicated by - Correct Answer depressed t waves Cardiac injury is indicated by - Correct Answer elevated ST segment What can cause inverted t waves - Correct Answer digitalis toxicity and hypokalemia What causes spiked t waves - Correct Answer hyperkalemia This rhythm creates a series of identical p waves that take on a sawtooth appearance. - Correct Answer Atrial flutter This rhythm occurs when multiple ectopic foci are firing almost continuously and produces an irregular baseline with no visible p waves and irregular QRS complexes - Correct Answer Atrial fibrillation Cardiac infarction is diagnosed by - Correct Answer significant q waves Which heart block is identified by prolonged P-R interval? - Correct Answer 1st degree AV block Which heart block is characterized by increasingly longer PR intervals until a missing QRS - Correct Answer 2nd degree AV block Mobitz 1 (Wenchebach) longer, longer, longer, drop, then you got a wenchebach Which heart block is characterized by missing QRS - Correct Answer 2nd degree AV block Mobitz II If some P's don't get through, you have a mobitz type 2 Which Heart block is characterized by an atrial rate greater than 60, and a ventricular rate less than 40? The PR interval cannot be determined and the QRS is widened - Correct Answer 3rd degree AV block If P's & Q's dont agree, then you have a 3rd degree What is the most common cup electrode? - Correct Answer Gold plated silver electrodes (they require less maintanence than silver-sliver chloride electrodes)
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