Practice Questions and Correct Answers| Brand New
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Treatment strategies for insomnia in the presence of OSA should make note of the following true
statement:
A. Hypnotics, such as benzodiazepines, can have adverse effects on nocturnal respiration, thus
exacerbating OSA
B. The newer nonbenzodiazepine agents, such as zolpidem and eszopiclone, appear to increase AHI
C. Cognitive Behavioral Therapy, CBT, is non-pharmacologic and therefore poses no risk
D. CBT is reported to be more effective for insomnia in the presence of OSA than when used for
insomnia without comorbidities –
Correct Answer :A. Hypnotics, such as benzodiazepines, can have adverse effects on nocturnal
respiration, thus exacerbating OSA
Which of the following statements is true about sleep restriction?
A. Approximately 30% of Americans sleep less than 7.5 hours per night
B. Partial sleep deprivation has been studied more extensively than total sleep deprivation
C. Sleep restriction does not impact sleep architecture
D. Significant cognitive dysfunction can occur if sleep is repeatedly restricted to less than 7 hours per
night
,- Correct Answer :D. Significant cognitive dysfunction can occur if sleep is repeatedly restricted to less
than 7 hours per night
What can be concluded regarding nasal obstruction and OSA?
a. Nasal obstruction is associated with snoring
b. Nasal obstruction is associated with OSA
c. Nasal obstruction is associated with lowered concentration of pulmonary nitric oxide d. All of the
above
- Correct Answer :d. All of the above
What can be concluded regarding nasal resistance and treatment of OSA with OAT?
a. Lower nasal resistance is a predictor of improved OAT response
b. Higher nasal resistance is a predictor of improved OAT response
c. Women with higher nasal resistance show improved response to OAT
d. Nasal resistance increases with protrusive positioning of the mandible –
Correct Answer :a. Lower nasal resistance is a predictor of improved OAT response
Which of the following is listed from highest to lowest level of evidence?
A. Case reports, Case series, Case control studies, Cohort studies
B. Randomized controlled double-blind studies, Systematic reviews/Meta-analyses, Cohort studies
C. Systematic reviews/Meta-analyses, Cohort studies, Case reports
D. Randomized controlled double-blind studies, Case series, Cohort studies –
,Correct Answer :C. Systematic reviews/Meta-analyses, Cohort studies, Case reports
A study in which the experiences of individuals with and without a particular disease are analyzed
retrospectively to identify putative causative events (exposures) is called a:
A. Systematic Review
B. Meta-analysis
C. Case reports
D. Case-control studies –
Correct Answer :D. Case-control studies
In a Randomized controlled trial, if there is incomplete randomization between the intervention group
and the control group, this is known as:
A. Selection bias
B. Performance bias
C. Exclusion bias
D. Detection bias –
Correct Answer :A. Selection bias
If a test for a disease has a sensitivity of only 40 percent, it means that:
A. It has very few false negative results
B. Fails to find the disease 60 percent of the time
C. It has high specificity
, D. Should never be used –
Correct Answer :B. Fails to find the disease 60 percent of the time
What percentage of patients with hypertension suffer from OSA?
A. 25%
B. 30%
C. 40%
D. 50% -
Correct Answer :30-50%!
Which of the following is true regarding the Muller's maneuver?
a. It is used to distinguish between OSA and CSA
b. After forced expiration, an attempt at inspiration is made with closed mouth and nose
c. After maximum inspiration, an attempt at expiration is made with closed mouth and nose
d. It helps to clear the Eustachian tubes during dramatic altitude changes –
Correct Answer :b. After forced expiration, an attempt at inspiration is made with closed mouth and
nose
Development of a unilateral posterior open bite with use of an oral appliance may be related to:
A. Reduction of a dislocated TMJoint disc on the ipsilateral side
B. Lateral pterygoid spasm on the contralateral side