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Source: https://www.youtube.com/watch?v=zHchEaObaBo
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What causes the snoring sound during sleep?
A. The lungs collapsing during sleep
B. Vibrating soft tissues in a narrowed airway
C. The heart beating too slowly
D. The stomach producing gas
Key Answer: B. Vibrating soft tissues in a narrowed airway
Explanation: Snoring occurs when airflow passes through a narrowed airway, causing the soft tissues of the throat to vibrate.
During sleep, which structures relax and may narrow the airway?
A. The ribs and lungs
B. The eyes and ears
C. The throat, tongue, and jaw
D. The stomach and intestines
Key Answer: C. The throat, tongue, and jaw
Explanation: The throat muscles, tongue, and jaw relax during sleep, which can narrow the airway and contribute to snoring or sleep apnea.
What medical condition can severe snoring sometimes indicate?
A. Obstructive sleep apnea
B. Asthma
C. Pneumonia
D. Migraine
Key Answer: A. Obstructive sleep apnea
Explanation: Severe snoring may be a sign of obstructive sleep apnea, a disorder in which breathing repeatedly stops or decreases during sleep.
What happens during obstructive sleep apnea?
A. The heart stops beating temporarily
B. The person forgets to breathe consciously
C. The lungs stop working permanently
D. The airway becomes blocked during sleep
Key Answer: D. The airway becomes blocked during sleep
Explanation: In obstructive sleep apnea, the airway becomes partially or completely blocked during sleep, reducing airflow.
Why does the brain briefly wake a person with sleep apnea?
A. To help the person change dreams
B. To restore breathing and oxygen flow
C. To improve memory
D. To relax the muscles
Key Answer: B. To restore breathing and oxygen flow
Explanation: The brain briefly arouses the sleeper to reopen the airway and restore normal breathing and oxygen levels.
What does CPAP stand for?
A. Controlled Pulmonary Air Process
B. Central Pressure Air Pump
C. Continuous Positive Airway Pressure
D. Continuous Pulmonary Air Protection
Key Answer: C. Continuous Positive Airway Pressure
Explanation: CPAP stands for Continuous Positive Airway Pressure, a treatment that uses pressurized air to keep the airway open.
What is the main purpose of a CPAP machine?
A. To keep the airway open during sleep
B. To reduce heart rate
C. To improve hearing
D. To strengthen the lungs
Key Answer: A. To keep the airway open during sleep
Explanation: A CPAP machine pushes air into the airway to prevent collapse during sleep.
Which problem is commonly associated with untreated sleep apnea?
A. Improved concentration
B. Increased energy levels
C. High blood pressure
D. Better sleep quality
Key Answer: C. High blood pressure
Explanation: Untreated sleep apnea is linked to high blood pressure and other cardiovascular problems.
Why do some people stop using CPAP machines over time?
A. They cure sleep apnea permanently
B. They can feel uncomfortable to wear
C. They make breathing more difficult
D. They reduce oxygen levels
Key Answer: B. They can feel uncomfortable to wear
Explanation: Many people find CPAP masks uncomfortable or inconvenient, leading to poor long-term use.
How does the oral mouthpiece help reduce sleep apnea?
A. By reducing saliva production
B. By moving the tongue backward
C. By sliding the lower jaw forward
D. By preventing dreaming
Key Answer: C. By sliding the lower jaw forward
Explanation: The mouthpiece moves the lower jaw forward, helping keep the airway more open during sleep.
What was used to create the custom mouthpiece?
A. X-rays of the lungs
B. A 3D scan and molds of the teeth
C. Blood pressure measurements
D. Brain scans
Key Answer: B. A 3D scan and molds of the teeth
Explanation: The mouthpiece was custom-made using 3D scans and molds of the patient’s teeth.
What side effect did the speaker notice after using the mouthpiece?
A. Hearing loss
B. Jaw soreness in the morning
C. Vision problems
D. Chest pain
Key Answer: B. Jaw soreness in the morning
Explanation: Because the jaw is held forward all night, mild jaw soreness can occur in the morning.
What did the follow-up sleep test show?
A. The sleep apnea became worse
B. The person stopped dreaming
C. The mouthpiece improved breathing during sleep
D. The person no longer needed sleep
Key Answer: C. The mouthpiece improved breathing during sleep
Explanation: The second sleep test showed fewer breathing interruptions and reduced snoring while using the mouthpiece.
Why are home sleep tests sometimes preferred?
A. They completely replace all sleep labs
B. They are cheaper and more convenient
C. They cure sleep apnea faster
D. They require surgery
Key Answer: B. They are cheaper and more convenient
Explanation: Home sleep tests are often less expensive and more convenient than laboratory sleep studies.
What happens to oxygen levels during obstructive sleep apnea episodes?
A. Oxygen levels increase rapidly
B. Oxygen levels remain unchanged
C. Oxygen levels may decrease
D. Oxygen disappears permanently
Key Answer: C. Oxygen levels may decrease
Explanation: When airflow is blocked during sleep apnea, oxygen levels in the body can drop temporarily.
What did the speaker try before seeking professional help for snoring?
A. Surgery and medication
B. Over-the-counter nose strips and earplugs
C. Oxygen therapy only
D. Sleeping less at night
Key Answer: B. Over-the-counter nose strips and earplugs
Explanation: The speaker first tried common remedies such as nose strips and buying earplugs before seeing a specialist.
According to the speaker, how did snoring affect personal relationships?
A. It improved communication
B. It had no effect
C. It caused problems in relationships and sleeping arrangements
D. It helped people sleep better
Key Answer: C. It caused problems in relationships and sleeping arrangements
Explanation: The speaker stated that snoring negatively affected relationships and often resulted in sleeping on the couch.
What type of doctor was Dr. Jordan Stern?
A. A cardiologist
B. A neurologist
C. An ear, nose, and throat and sleep specialist
D. A dentist
Key Answer: C. An ear, nose, and throat and sleep specialist
Explanation: Dr. Jordan Stern was introduced as an ENT and sleep specialist.
What was included in the home sleep test kit?
A. A thermometer and blood test
B. A little computer, heart rate monitor, and breathing monitor
C. An MRI machine
D. A blood pressure cuff only
Key Answer: B. A little computer, heart rate monitor, and breathing monitor
Explanation: The home sleep test kit included devices to monitor breathing and heart activity during sleep.
Why are laboratory sleep studies sometimes difficult for patients?
A. They are illegal in some places
B. They can be expensive and have long wait lists
C. They always require surgery
D. They only work for children
Key Answer: B. They can be expensive and have long wait lists
Explanation: The speaker mentioned that sleep lab studies are often costly and may involve long waiting periods.
What response occurs in the brain when breathing stops during sleep apnea?
A. A relaxation response
B. A memory response
C. A fight-or-flight response
D. A digestive response
Key Answer: C. A fight-or-flight response
Explanation: Reduced oxygen triggers the brain’s fight-or-flight response, causing the person to briefly wake and breathe again.
Before treatment, how did the speaker feel during the daytime?
A. Fully energized all day
B. Sleepy and needing afternoon naps
C. Unable to sleep at night
D. Extremely hungry
Key Answer: B. Sleepy and needing afternoon naps
Explanation: The speaker explained that before treatment, he often wanted to nap during the afternoon.
According to the passage, sleep apnea can contribute to which societal problems?
A. Increased crop production
B. Traffic accidents and workplace accidents
C. Improved school performance
D. Better athletic ability
Key Answer: B. Traffic accidents and workplace accidents
Explanation: The passage explained that sleep apnea contributes to accidents and productivity losses.
What did the doctor use to discuss the follow-up sleep test results?
A. A phone call without video
B. A text message
C. A FaceTime/video call
D. A mailed letter
Key Answer: C. A FaceTime/video call
Explanation: The doctor reviewed the results with the speaker over FaceTime, so an office visit was unnecessary.
In the sleep study chart, what did the different colors represent?
A. Different dream types
B. Different sleeping positions
C. Times when breathing stopped during sleep
D. Levels of hunger during sleep
Key Answer: C. Times when breathing stopped during sleep
Explanation: The colored areas on the chart represented episodes where breathing stopped or was interrupted.
Why did the speaker use a mold of his natural bite in the morning?
A. To whiten his teeth
B. To help return the jaw to its normal position
C. To improve speech
D. To strengthen the gums
Key Answer: B. To help return the jaw to its normal position
Explanation: Because the mouthpiece moved the jaw forward during sleep, the bite mold helped reposition the jaw normally afterward.