Sleep Flashcards
- Which of the following processes regulates metabolism, cognition, and immune function through a 24-hour cycle?
A) Process S
B) Process C
C) Homeostatic Process
D) Circadian Process
Answer: D) Circadian Process
- Chronic sleep deprivation can lead to all of the following long-term effects EXCEPT:
A) Neurocognitive dysfunction
B) Enhanced ventilatory response
C) Reduced quality of life
D) Psychiatric illness
Answer: B) Enhanced ventilatory response
- What primary factor synchronizes the circadian process?
A) Nutrition
B) Physical activity
C) Exposure to light
D) Sleep duration
Answer: C) Exposure to light
- Which of the following is a hallmark symptom of chronic sleep deprivation?
A) Enhanced cognitive function
B) Excessive sleepiness
C) Increased ventilatory response
D) Decreased susceptibility to infections
Answer: B) Excessive sleepiness
- What is the primary goal of sleep-wake regulation (Process S and Process C)?
A) Enhance energy metabolism
B) Maintain a balanced immune response
C) Synchronize sleep patterns with environmental cues
D) Optimize cardiovascular function
Answer: C) Synchronize sleep patterns with environmental cues
- A 45-year-old male with a history of obstructive sleep apnea presents with excessive daytime sleepiness and difficulty concentrating at work. He reports only sleeping 4–5 hours per night due to a demanding work schedule. What is the best initial step in managing this patient?
A) Prescribe a sedative-hypnotic for sleep initiation
B) Recommend a sleep study to rule out other conditions
C) Advise on sleep hygiene and a consistent bedtime routine
D) Refer to a neurologist for cognitive evaluation
Answer: C) Advise on sleep hygiene and a consistent bedtime routine
- A 70-year-old female with a history of hypertension and Type 2 diabetes reports poor sleep quality and chronic fatigue. On examination, her BMI is 35, and her husband reports loud snoring and occasional pauses in breathing during the night. Which diagnostic test is most appropriate?
A) Polysomnography
B) Serum cortisol levels
C) Electroencephalogram
D) Overnight pulse oximetry
Answer: A) Polysomnography
- Which of the following complications is least associated with chronic sleep deprivation?
A) Cognitive decline
B) Increased immune function
C) Cardiovascular disease
D) Increased risk of delirium
Answer: B) Increased immune function
- What is a key nonpharmacologic strategy to prevent sleep deprivation in ICU patients?
A) Increasing night-time monitoring
B) Encouraging daytime naps
C) Clustered care to reduce interruptions
D) Avoiding natural light exposure
Answer: C) Clustered care to reduce interruptions
- Which pharmacologic agent may disrupt the normal sleep-wake cycle?
A) Melatonin
B) Beta-blockers
C) Lorazepam
D) Acetaminophen
Answer: B) Beta-blockers
- Disruption of circadian rhythm (Process C) is most commonly caused by:
A) Chronic illness
B) Excessive melatonin
C) Lack of light exposure
D) Acute pain
Answer: C) Lack of light exposure
- Which stage of sleep is most restorative and supports physical health?
A) REM sleep
B) Stage 1 NREM
C) Stage 3 NREM (deep sleep)
D) Light sleep
Answer: C) Stage 3 NREM (deep sleep)
- Which of the following complications from sleep deprivation can be life-threatening?
A) Cognitive impairment
B) Emotional distress
C) Respiratory abnormalities during mechanical ventilation
D) Decreased melatonin
Answer: C) Respiratory abnormalities during mechanical ventilation
- What is the primary risk associated with poor sleep hygiene in critically ill patients?
A) Emotional dysregulation
B) Immune compromise
C) Increased delirium risk
D) Cardiovascular event
Answer: C) Increased delirium risk
- Which nonpharmacologic intervention is most effective for promoting sleep in hospitalized patients?
A) Benzodiazepines
B) Sleep protocols
C) Frequent monitoring interruptions
D) Increasing light exposure at night
Answer: B) Sleep protocols
- Which sleep cycle is necessary for cognitive function and memory consolidation?
A) NREM
B) REM
C) Delta
D) Theta
Answer: B) REM
- The circadian process (Process C) regulates:
A) Immune responses during sleep
B) Sleep-wake cycles based on light exposure
C) Homeostatic sleep drive
D) REM cycle duration
Answer: B) Sleep-wake cycles based on light exposure
- Which of the following is a potential cause of chronic sleep deprivation?
A) Jet lag
B) Parasomnias
C) Insomnia due to acute stress
D) Temporary environmental changes
Answer: B) Parasomnias
- How can healthcare providers support circadian rhythm in hospitalized patients?
A) Administering sedative medications during the day
B) Encouraging bright light exposure during the day
C) Avoiding mobilization during the daytime
D) Reducing all light exposure
Answer: B) Encouraging bright light exposure during the day
- What is the most effective way to address sleep deprivation in critically ill patients?
A) Clustering care activities to reduce interruptions
B) Performing frequent blood draws at night
C) Increasing medication doses for sleep
D) Allowing naps throughout the day
Answer: A) Clustering care activities to reduce interruptions
- Sleep deprivation contributes to which physiologic complication in acutely ill patients?
A) Enhanced cardiovascular function
B) Prolonged mechanical ventilation
C) Decreased immune system compromise
D) Improved metabolic regulation
Answer: B) Prolonged mechanical ventilation
- What is a key physiologic role of sleep in critically ill patients?
A) Enhancing appetite
B) Supporting cancer surveillance mechanisms
C) Increasing melatonin production during the day
D) Decreasing cardiovascular performance
Answer: B) Supporting cancer surveillance mechanisms
- Which patient is at the greatest risk for sleep deprivation?
A) A patient in a private hospital room
B) A patient with chronic insomnia
C) A patient in the ICU with constant monitoring alarms
D) A patient with mild anxiety treated with therapy
Answer: C) A patient in the ICU with constant monitoring alarms
- What is the primary goal of promoting sleep in critically ill patients?
A) Reducing medication use
B) Improving patient mood
C) Preventing complications like delirium
D) Shortening hospital stay
Answer: C) Preventing complications like delirium