Pathophysiology of Sleep-Disordered Breathing — MCQs

A 56-year-old woman with diabetes, hypertension, and hyperlipidemia is found to have an A1C of 11 despite her best attempts at diet and faithfully taking her metformin and glyburide. She reports severe fatigue and sleepiness in the daytime, which has limited her ability to exercise. On examination, she is obese, has a full appearing posterior pharynx, clear lungs, a normal heart examination, and trace bilateral edema. Her TSH is 2.0 m/L (normal). Before adding another oral agent or switching to insulin, what is the best next step?

A 42-year-old obese male presented with disturbed sleep and daytime somnolence. All of the following are correct except?

What is the primary regulator for the central chemoreceptor?

Laser uvulopalatoplasty is indicated for which of the following conditions?

Patient with obstructive sleep apnea-hypopnea syndrome is unlikely to have which of the following?

In the context of cyanosis, which of the following is the least likely to be found on a physical examination in a patient with central cyanosis?

What is Muller's maneuver?

The Epworth Sleepiness Scale is used for assessing:

What is the minimum duration of apnea that defines Obstructive Sleep Apnea Syndrome (OSAS)?

Long-standing obstruction due to enlarged tonsils and adenoids can cause: