ABDSM EXAM 2024-2025 TEST BANK WITH
400 PRACTICE QUESTIONS AND CORRECT
ANSWERS/ ABDSM LATEST EXAM REVIEW
GUIDE 2024(BRAND NEW!!)
Across a general population, what is the most common sleep disorder?
A. RLS
B. Narcolepsy
C. Delayed sleep phase syndrome
D. Insomnia
E. Obstructive sleep apnea - ANSWER-D. Insomnia
With regards to biomechanical properties of the upper airway, which statement is
true?
A. Sleep apnea patients paralyzed during general anesthesia (neural drive removed)
demonstrated airway compliance similar to healthy subjects
B. Sleep apnea patients had more negative closing pressures
C. Sleep apnea patients demonstrate a more positive Pcrit
D. There is no correlation between collapsibility when awake and collapsibility
when asleep - ANSWER-C. Sleep apnea patients demonstrate a more positive Pcrit
Tagged MRI recently showed 3 patterns of tissue formation during mandibular
advancement. Which of these was NOT observed?
A. The whole tongue moved forward "en bloc"
B. Only the superior posterior portion of the tongue moved forward
pg. 1
,C. The posterior tongue did not move, but the whole tongue elongated
D. Only the inferior posterior portion of the tongue moved forward - ANSWER-B.
Only the superior posterior portion of the tongue moved forward
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
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
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
pg. 2
,D. The Durable Medical Equipment Service
E. The American Academy of Sleep Medicine - ANSWER-B. The American
Medical Association
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-medical sleep 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
Which of the following statements is true regarding a modified mallampati
classification of the oral pharynx?
A. Mallampati II allows visualization of only the hard palate
B. Malampati III allows visualization of only the hard palate
C. Malampati classifications are taken with the patient sedated and reclined
D. Mallampati classifications of IV have greater odds ratio than Mallampati
classifications of I for severe OSA - ANSWER-D. Mallampati classifications of IV
have greater odds ratio than Mallampati classifications of I for severe OSA
What 8 item questionnaire was developed to perioperatively screen for risk of
OSA?
A. ESS
B. STOP-BANG
pg. 3
, C. MSLT
D. Berlin - ANSWER-B. STOP-BANG
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
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
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
pg. 4
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