Sleep Disorders in the Elderly — MCQs

A 72-year-old woman with insomnia participates in a sleep study. As part of the study protocol, she has EEG leads attached, then goes to sleep. At one point during the evening, 12-16 Hz sleep spindles and K-complexes are observed. Which stage of sleep is associated with this pattern?

Which anxiolytic acts through 5-HT1A receptor partial agonism without exhibiting significant anticonvulsant or muscle relaxant properties?

A child presents with night blindness, delayed dark adaptation. Which investigation is to be done further to confirm the diagnosis?

In which of the following psychiatric conditions is floccillation seen?

In narcolepsy, the polysomnographic recording typically shows which of the following patterns?

Intense nihilism, somatization and agitation in old age are the hallmark symptoms of -

What is the primary characteristic feature of Klein-Levin syndrome?

Which of the following statements about narcolepsy is false?

Alzheimer's disease is associated with:

Which of the following statements is NOT true about delirium?