COMPREHENSIVE FREQUENTLY MOST TESTED REAL
EXAM QUESTIONS AND VERIFIED SOLUTIONS | ALREADY
GRADED A+ | NEWEST EXAM | JUST RELEASED!!
What are some predictors of negative bite change? -
ANSWER -- Frequency - Hard splints
- Smaller pre-treatment overbite and overjet
- Number of teeth
- Larger advancement
- Device design
A predictor of poor outcomes of adenotonsillectomy procedures
for children with
OSAS
is:
A. Early
treatment
B. Mallampati scores of
I or II
C. Low
pretreatment AHI
D. High arched palate - ANSWER -D. High
arched palate
,The "Flip-Flop Switch" metaphor of sleep describes:
A. The balance between slow wave sleep and REM stage
sleep
B. A long, slow progressions from wakefulness to NREM
stage 1 sleep C. Mutual inhibition between wake
promoting neurons and sleep promoting neurons
D. The abrupt suppression of actigraphy activity at the onset of
REM sleep
E. A and C - ANSWER -E. A and C
Which statement is true regarding Melatonin:
A. Melatonin is necessary for sleep
B. Melatonin is released from the Pineal Gland
C. Increased release of Melatonin at end of day is primary factor
in sleep drive D. Caffeine is a non-specific melatonin blocker
- ANSWER -B. Melatonin is released from the Pineal Gland
Which of the following is true regarding REM stage sleep?
A. Premature infants spend less time in REM stage sleep than
full term neonates
B. Full term infants spend 80% of total sleep time in REM stage
sleep
C. The percentage of REM stage sleep falls during childhood,
and plateaus at age 10
D. Normal REM stage sleep as a percentage of total sleep time
in adults (ages 20-69) is 25% - ANSWER -D. Normal REM
, stage sleep as a percentage of total sleep time in adults
(ages 20-69) is 25%
Which of the following is true regarding sleep stages?
A. Sleep spindles and k-complexes appear in
NREM Stage 2
B. Vertex sharp waves are abundant in
REM Stage
C. PGO and saw-tooth waves are most noted in slow
wave sleep
D. High frequency EEG (alpha-beta) is characteristic of
NREM Stage 3 -
ANSWER -A. Sleep spindles and k-complexes appear in
NREM Stage 2
Central Chemoreceptors contribute to respiratory homeostasis
and
A. Are located in the midbrain
B. Are sensitive to CO2 and H+
C. Maintain CO2 in a wide physiologic range
D. Detect changes in spinal fluid volume - ANSWER -B. Are
sensitive to CO2
and
H+
Which of the following statements is true about the Carotid
Body?
, A. It is the primary Central Chemoreceptor
B. Hypoxia triggers suppression of minute ventilation
C. Is sensitive primarily to hypoxia
D. Is sensitive primarily to changes in CO2, pH and temperature
- ANSWER -C. Is sensitive primarily to hypoxia
Which of the following statements is true regarding OSA
prevalence?
A. After age 50, gender differences become even more
pronounced with the ratio of males to females increasing
B. After age 60, BMI becomes an even more important variable
C. OSA is the most common chronic, non-communicable
disease in the USA
D. Menopausal hormone changes do not appear to impact OSA
risk - ANSWER -C. OSA is the most common chronic, non-
communicable disease in the USA
Which statement is true regarding tools use to screen for
Sleep Related
Breathing
Disorders?
A. The Epworth Sleepiness Score is specific for SRBDs
B. The Berlin questionnaire may be requested by private payers
C. The Berlin questionnaire includes a question on
hypertension