Sleep Medicine Practice Questions

Question 1

Which of the following is false about narcolepsy?

Accepted Answer

Typically occurs only during nighttime sleep

Answer

Sudden loss of muscle tone (cataplexy)

Answer

Cataplexy is a common symptom

Answer

Typical onset in the second decade of life

Question 2

A 40-year-old man presents with daytime sleepiness and impaired concentration and memory. On examination his BMI is 41 kg/m2, BP is 160/100 mm Hg. His awake ABG analysis is given: PaO2=66 mm Hg, PaCO2=50 mm Hg, HCO3=28 mEq/L. What is the most likely diagnosis?

Accepted Answer

Obstructive sleep apnea

Answer

Narcolepsy

Answer

Obesity hypoventilation syndrome

Answer

Central sleep apnea

Question 3

A 32-year-old man comes to the physician complaining of excessive sleepiness for the past several months. He reports falling asleep while dealing with customers and had a near accident when he fell asleep while driving. The patient reports that he occasionally hears voices while falling asleep and finds himself "temporarily frozen" and unable to move upon awakening. Which of the following is the most appropriate treatment for this patient?

Accepted Answer

Modafinil

Answer

Melatonin

Answer

Clonazepam

Answer

Continuous positive airway pressure

Question 4

A 42-year-old female executive is referred to the sleep clinic with jaw pain. She complains that after she arrives home at night around 10 pm she frequently drinks 3-4 gin and tonics to help quiet her mind.’ She wakes up the next morning around 3am to read the international stock market news, at which point she states her teeth ache an unbearable amount. A study is performed on the patient and it is noted that she grinds her teeth and mutters during roughly half of her sleep. 
Which of the following would you expect to see on her EEG and at which stage of sleep would you expect her jaw pain to be caused?

Accepted Answer

Sleep spindles, N2

Answer

Alpha waves, N2

Answer

Beta waves, N3

Answer

Delta waves, N3

Question 5

The sleep apnea syndrome is defined as -

Accepted Answer

Apnea-Hypopnea Index (AHI) ≥ 5/hour

Answer

Apnea-Hypopnea Index (AHI) ≥ 10/hour

Answer

Apnea-Hypopnea Index (AHI) ≥ 30/hour

Answer

Apnea-Hypopnea Index (AHI) ≥ 15/hour

Question 6

Hormonal secretions are tightly controlled by the time of day due to an inbuilt biological clock in human body. This rhythmic secretion is controlled by:

Accepted Answer

Suprachiasmatic nucleus

Answer

Ventrolateral nucleus

Answer

Supraoptic nucleus

Answer

Posterolateral nucleus

Question 7

Diurnal variation of ACTH depends on ?

Accepted Answer

Suprachiasmatic nucleus

Answer

Supraoptic nucleus

Answer

Ventrolateral nucleus

Answer

Thalamus

Question 8

A patient presents to you with an irregularly irregular pulse of 120/minutes and a pulse deficit    of 20. Which of the following would be the jugular venous pressure (JVP) finding?

Accepted Answer

Absent a wave

Answer

Normal JVP

Answer

Cannon a wave

Answer

Raised JVP with normal waveform

Question 9

Identify the sleep stage in the following Polysomnograph.

Accepted Answer

NREM stage 2

Answer

NREM stage 3

Answer

REM

Answer

NREM stage 1

Question 10

Which is not seen in heart failure?

Accepted Answer

Oligemia

Answer

Cardiomegaly

Answer

Kerley B lines

Answer

Kerley A Lines

Sleep Medicine

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Normal Sleep Physiology

Sleep-Disordered Breathing

Insomnia

Hypersomnias

Circadian Rhythm Disorders

Parasomnias

Sleep-Related Movement Disorders

Sleep in Medical Disorders

Sleep in Psychiatric Disorders

Sleep Diagnostics

Pharmacologic Management of Sleep Disorders

Non-pharmacologic Sleep Interventions

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About Sleep Medicine for NEET-PG

Lessons in Sleep Medicine

Master Sleep Medicine