Dental Sleep Medicine Exam | Correctly
Answered and Graded A+ | Latest
2025/2026
What is Respiratory Effort-Related Arousal (RERA)?
- Correct Answer - an arousal associated with increasing negative
esophageal pressure which is terminated by a sudden change in
pressure to a less negative level with an arousal; lasts 10 seconds or
longer
how many rounds of RERA per hour are considered abnormal and in
association with other symptoms are sufficient to produce a diagnosis of
OSA syndrome?
- Correct Answer - five or more
What is the Apnea Hypopnea Index (AHI)?
- Correct Answer - all the apneic episodes together with all the hypopnea
episodes occurring during the night and then dividing the total by the
number of hours slept
How does Hypoxemia affect sleep?
,- Correct Answer - It produces cardiac effects and disrupts sleep, leading
to the development of excessive sleepiness during the day
what are the typical etiology/pathophysiological factors in OSA?
- Correct Answer - tissue volume
changes in adhesive character of mucosal volume surfaces
changes in neck and jaw posture
decreased tracheal tug
effects of gravity
decreased intraluminal pressure from increased upstream resistance in
the nasal cavity or pharynx
what are the 20 diseases related to OSA syndrome?
- Correct Answer –
acromegaly
enlarged adenoids and tonsils
alcoholism
cardiac arrythmias, hypertension
COPD
cocaine
CHF
craniofacial disorders
GERD
Excessive Daytime Sleepiness
headaches
large meals
, hypothyroidism
impotence
nocturia
obesity
Parkinson's
Brady-tachycardia
metabolic syndrome
glucose intolerance and diabetes type 2
what are the direct cardiac effects of sleep apnea?
- Correct Answer –
CHF
pulmonary hypertension
cardiac arrhythmia
stroke
hypertension
two-to-four-fold greater odds of experiencing complex arrhythmias
T/F; high amounts of stage 3 and 4 are absent in preadolescent children
and present in the elderly
- Correct Answer - F: high amounts of stage 3 and 4 are present in
preadolescent children and absent in the elderly
T/F: REM sleep behavior disorder (RBD) is more common in people over
60