1. Nightmares occur in: A.
REM sleep B. NREM-I sleep C. NREM-II sleep D. NREM-III sleep Night terrors occur early in the night – (stage-4 NREM disorder). Other stage-4 – NREM sleep disorders are: Sleep walking (somnambulism) Nocturnal enuresis (bed wetting) Bruxism (tooth grinding) Sleep talking (somniloquy) These are more common in first one-third of the night. Complete amnesia for the events does occur. Narcolepsy-Excusive day time sleepiness with disturbed night-time sleep (decreased REM latency) prevalence is 4 per 10,000 The classical tetrad is: Sleep attacks (most common) Cataplexy Hypnogogic hallucinations Sleep paralysis (least common) Dipsomania-Disturbance in quality, amount or timing of sleep.
1. Nocturnal myoclonus 2. Restless leg syndrome (Ekbom’s syndrome) These often occur together. 2. The non-REM sleep is commonly associated with: A. Frequent dreaming B. Frequent penile erections C.
Increased blood pressure D. Night terrors 3. Sleep depreciation results in: A. Anxiety neurosis B.
Emotional disturbances C. Psychotic behaviour D. Mental alertness 4 to 5 days after sleep deprivation, psychological symptoms become prominent. There is inattention span, easy distractibility, drowsiness initiative to perform and micro sleeps beating but a few seconds. 4. In the following phase of sleep, maximum enhancement in pain threshold takes place: A. REM sleep B. Phase I C.
Phase III D. Phase IV 5. Cataplexy is seen in: A. Narcolepsy B. Neuroleptic-malignant syndrome C. Catatonic schizophrenia D.
Chronic depression Tetrad of guinea seen in narcolepsy: i. Sleep attacks ii. Cataplexy iii.
Hypnogogic hallucinations iv. Sleep paralysis 6. Hallucinations occurring during onset of sleep are called: A. Jactatio capitis nocturna B. Non-specific hallucinations C.
Hypnogogic hallucinations D. Hypnopompic hallucinations Hypnogogic and Hypnopompic hallucination can occur in normal people. Hypnopompic hallucination occurs while awakening from sleep. 7. Associated with narcolepsy includes: A.
Obesity B. Lymphocytosis C. Sexual impotence D. All of the above 8.
EEG changes in paradoxical sleep predominantly: A. Alpha waves B. Beta Waves C. Delta Waves D. Mixed Frequency Also remember – NREM Stage-I – Theta waves Stage -II – Sleep spindles K complexes Stage-III and IV – Delta waves 9.
Symptoms of narcolepsy include all of the following, except: A. Cataplexy B. Sleep attacks C. Sleep paralysis D.
Sleepwalking Answer1.A 2.D 3.D 4.A 5.A 6.C 7.D 8.A 9.D