Hypnology II Hypnology II Hypnology is the study of sleep and sleep-related disorders. 1 / 10 What is the typical finding in a polysomnogram of a patient with REM sleep behavior disorder (RBD)? Absence of muscle atonia during REM sleep Increased delta wave activity Shortened REM sleep latency Increased sleep spindle activity 2 / 10 Which sleep disorder is characterized by a disruption of the sleep-wake cycle due to a misalignment between the endogenous circadian rhythm and the external environment? Delayed sleep phase disorder (DSPD) Sleep apnea Narcolepsy Restless legs syndrome 3 / 10 Which brain structure is primarily responsible for the regulation of circadian rhythms? Pineal gland Suprachiasmatic nucleus (SCN) Hippocampus Amygdala 4 / 10 Which of the following medications is most commonly used to manage excessive daytime sleepiness in patients with narcolepsy? Modafinil Melatonin Clonazepam Gabapentin 5 / 10 Which genetic marker is strongly associated with narcolepsy type 1? HLA-DR4 HLA-DQB1*06:02 HLA-B27 HLA-DR3 6 / 10 Which diagnostic tool is most useful in confirming the diagnosis of REM sleep behavior disorder (RBD)? Actigraphy Polysomnography Multiple sleep latency test (MSLT) Epworth Sleepiness Scale (ESS) 7 / 10 What is the primary mechanism thought to underlie obstructive sleep apnea (OSA)? Central nervous system dysfunction Upper airway collapse during sleep Overproduction of melatonin Decreased orexin levels 8 / 10 Which of the following is a key feature distinguishing REM sleep behavior disorder (RBD) from other parasomnias? Occurrence during non-REM sleep Dream-enactment behaviors Sleepwalking Night terrors 9 / 10 In polysomnography, what does an increased apnea-hypopnea index (AHI) indicate? Restless legs syndrome Insomnia Sleep apnea Narcolepsy 10 / 10 Which neuropeptide is deficient in individuals with narcolepsy-cataplexy? Melatonin Orexin (hypocretin) GABA Adenosine Your score isThe average score is 0% 0% Restart quiz
