#1
Which of the following is a common method for monitoring sleep during a sleep study?
Electrocardiogram (ECG or EKG)
Blood pressure monitoring
Electroencephalogram (EEG)
Muscle biopsy
#2
What does the term 'AHI' stand for in the context of sleep studies?
Advanced Hypoxia Index
Apnea-Hypopnea Index
Airflow and Heartbeat Integration
Awake-Hibernation Indicator
#3
What is the purpose of a Split-Night Study in polysomnography?
To evaluate the impact of sleep medication
To monitor sleep patterns in half-night increments
To assess both diagnostic and treatment aspects in a single night
To measure sleep latency only
#4
Which sleep stage is often associated with vivid dreaming?
Stage 1
Stage 2
REM (Rapid Eye Movement) sleep
Slow-wave sleep
#5
What is the primary purpose of a Multiple Sleep Latency Test (MSLT) in sleep medicine?
To monitor heart rate variability
To assess the effectiveness of CPAP therapy
To evaluate daytime sleepiness and diagnose narcolepsy
To measure oxygen desaturation during sleep
#6
What is the primary purpose of Continuous Positive Airway Pressure (CPAP) therapy in sleep medicine?
To measure lung capacity
To treat sleep apnea by keeping the airways open
To regulate heart rate during sleep
To induce lucid dreaming
#7
Which term refers to the complete cessation of airflow during sleep for 10 seconds or more?
Hypopnea
Apnea
Polysomnography
Insomnia
#8
Which sleep disorder is characterized by an overwhelming urge to sleep at inappropriate times?
Insomnia
Sleep apnea
Narcolepsy
Restless Legs Syndrome
#9
What is the purpose of a nocturnal oximetry test in sleep medicine?
To measure sleep duration
To assess blood oxygen levels during sleep
To monitor heart rate variability
To diagnose insomnia
#10
Which respiratory parameter is commonly measured using capnography during sleep studies?
Pulse rate
Carbon dioxide levels in exhaled air (EtCO2)
Oxygen saturation
Respiratory rate
#11
What is the primary purpose of a Bi-level Positive Airway Pressure (BiPAP) machine in sleep therapy?
To monitor sleep architecture
To provide different pressures during inhalation and exhalation
To induce rapid eye movement (REM) sleep
To measure lung capacity
#12
What is the purpose of titration in the context of positive airway pressure therapy?
To adjust the dosage of medication
To optimize the CPAP pressure for individual patients
To monitor oxygen saturation levels
To measure lung compliance
#13
Which of the following is a potential side effect of long-term use of positive airway pressure therapy?
Increased risk of insomnia
Decreased blood pressure
Facial skin irritation
Improved cognitive function
#14
Which parameter is often measured using a pulse oximeter during sleep studies?
Blood pressure
Blood glucose levels
Oxygen saturation
Brainwave activity
#15
In the context of positive airway pressure therapy, what does the term 'Ramp' refer to?
A gradual increase in pressure at the start of therapy
A sudden decrease in pressure during therapy
The total duration of therapy
The frequency of mask leaks
#16
Which sleep disorder is characterized by the repeated, involuntary cessation of breathing during sleep?
Insomnia
Narcolepsy
Sleep apnea
Parasomnia
#17
What does the term 'Desaturation' refer to in the context of sleep studies?
A decrease in blood pressure
A decrease in blood oxygen saturation
An increase in heart rate
An increase in respiratory rate