ABDSM EXAM PRACTICE QUESTIONS WITH 100% CORRECT ANSWERS | LATEST UPDATE 2026/2027 | GRADED A+ | GUARANTEED PASS.

ABDSM EXAM PRACTICE QUESTIONS WITH 100% CORRECT ANSWERS | LATEST UPDATE 2026/2027 | GRADED A+ | GUARANTEED PASS. 1. What 8 item questionnaire was developed to perioperatively screen for risk of OSA? A. ESS B. STOP-BANG C. MSLT D. Berlin. Answer: B. STOP-BANG 2. In the pathophysiology of sleep apnea, airway patency and stability is promoted by which factor? A. Increased lung volume B. Shorter mandible C. Increased parapharyngeal fat deposition D. Negative inspiratory pressure E. Reduced pharyngeal muscle dilator activity. Answer: A. Increased lung volume 3. Oral appliance therapy commonly provides successful sole therapy for which of the following sleep-related breathing disorders? A. Primary central sleep apnea B. Cheyne-Stoke periodic breathing C. Obesity hypoventilation D. Overlap syndrome (OSA and COPD) E. None of the above. Answer: E. None of the above 6. Key features of sleep apnea as recorded during an in-lab sleep study include marked reduction or absence of air flow, arousals from sleep, slowing of heart rate and: A. Choking or gasping for air B. Oxygen desaturation C. Flattening of the nasal pressure signal D. Flailing of the arms and legs E. Sawtooth waves in the EEG. Answer: B. Oxygen Desaturation 7. Who publishes the CPT codebook? A. The Centers for Medicare and Medicaid Services B. The American Medical Association C. The Office of the Inspector General D. The Durable Medical Equipment Service E. The American Academy of Sleep Medicine. Answer: B. The American Medical Association 8. A 48 year old man is treated with OAT for his moderate OSA. On repeat sleep testing, his apnea-hypopnea index (AHI) has decreased to 3 events per hour, and he reports resolution of snoring and daytime sleepiness. What is the most reasonable dental-medicalsleep medicine follow up regimen for this patient? A. As needed B. Every 6 months for the first year, then annually C. Monthly for the first 6 months, then every 6 months D. Every other year. Answer: B. Every 6 months for the first year, then annually 9. Measurement has shown that patients with sleep apnea have smaller upper airways than those without sleep apnea but manage to keep an open airway during wakefulness by: A. Mouth Breathing B. Increased muscle tone on inspiration C. Increased blood flow to the soft tissue D. Frequent bruxing. Answer: B. Increased muscle tone on inspiration 10. Which of the following would exclude oral appliance therapy as a first treatment trial for OSA? A. Xerostomia B. Edentulism C. Micrognathia D. Steep mandibular plane angle. Answer: B. Edentulism ⩥ Reviewing your patient's diagnostic polysomnogram, you note more than a 50% epoch consists of alpha waves. According to the current PSG scoring guidelines, the patient is in which stage of sleep? A. Stage I NREM B. Stage II NREM C. Stage III NREM D. Stage REM. Answer: A. Stage I NREM ⩥ A patient presents for an evaluation to determine their candidacy for an oral appliance to treat their mild OSA. During your examination, you note the presence of TMD. This might include the following: A. Pain in the TMJ B. Pain in the muscles of mastication C. Anomalies in mandibular movement D. All of the above. Answer: D. All of the above 4. Which of the following is true about OSA and HTN? A. Ambulatory BP is increased in OSA patients primarily due to increased salt intake associated with elevated ghrelin levels B. Ambulatory BP normally increases in the early AM before awakening - this increase is blunted in OSA C. Untreated OSA is associated with a similar risk of HTN at all severity levels D. The risk of HTN in untreated OSA is due to intermittent hypoxia, sympathetic overactivation, inflammation, and other complex factors. Answer: D. The risk of HTN in untreated OSA is due to intermittent hypoxia, sympathetic overactivation, inflammation, and other complex factors