Neurology Quiz #11 Sleep Physiology and Pathology

1. A 45-year-old woman presents to the clinic complaining of difficulty falling asleep, staying asleep, and early morning awakenings for the past 6 months. She denies any significant stressors or changes in her life. Physical examination and laboratory tests are unremarkable. Which phase of sleep is most likely impaired in this patient? 

Question 1 of 5

2. A 60-year-old man with a history of hypertension and obesity presents to his primary care physician complaining of daytime fatigue and his wife reports that he snores loudly and seems to stop breathing at times during the night. A polysomnography confirms episodes of apnea during sleep. Which of the following is the most likely diagnosis? 

Question 2 of 5

3. A 25-year-old man seeks evaluation for episodes of sudden muscle weakness when he experiences strong emotions, such as laughter or surprise. He also reports episodes of hallucinations just before falling asleep. Which of the following neurotransmitters is most likely involved in the pathophysiology of this patient's condition? 

Question 3 of 5

4. During which stage of sleep does the majority of dreaming occur? 

Question 4 of 5

5. A 35-year-old woman is diagnosed with restless legs syndrome (RLS) after presenting with uncomfortable sensations in her legs associated with an irresistible urge to move them, particularly during the evening and night. Which of the following is a recommended first-line treatment for this condition? 

Question 5 of 5


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