GRADED A+| 2024/2025 UPDATE
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
Which of the following is true regarding types of diagnostic studies for identification of sleep
related breathing disorders?
A. An in-lab polysomnogram may be either type I or type II
B. A type IV study gathers more data than a type II study
C. A type III study has a minimum of 4 parameters and at least 2 channels of respiration
D. A type II study has a minimum of 6 physiologic variables but no scalp wires - ✔ANSWER
C. A type III study has a minimum of 4 parameters and at least 2 channels of respiration
The SCOPER classification system
A. Is helpful in determining parameters for in-lab polysomnogram testing
B. Categorizes Sleep, Cardiovascular, Oximetry, Pulse, Effort and Respiratory
C. Classifies and evaluates sleep testing devices for out of center applications
D. Was named for its inventors, Drs Smythe, Carlson, Orace, Peters, Edwards and Rafael -
✔ANSWER C. Classifies and evaluates sleep testing devices for out of center applications
, When looking at the co-occurrence of OSA and insomnia, which of the following statement are
true?
A. Co-occurrence is consistently found to be 65% between groups seeking evaluation for sleep
apnea and groups seeking evaluation for insomnia
B. Those with a primary complaint of insomnia tend to be male
C. Those with a primary complaint of OSA tend to be more likely to use alcohol than people with
OSA only
D. There is a decreased morbidity and impairment than that which is present with either
disease alone - ✔ANSWER B. Those with a primary complaint of insomnia tend to be male
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 - ✔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 - ✔ANSWER D. Significant cognitive dysfunction can occur if sleep is
repeatedly restricted to less than 7 hours per night
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 - ✔ANSWER b.
After forced expiration, an attempt at inspiration is made with closed mouth and nose
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 - ✔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 - ✔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 - ✔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 - ✔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 - ✔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