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Questions and Answers
What is the main generator of the respiratory rhythm of inspiration and expiration?
What is the main generator of the respiratory rhythm of inspiration and expiration?
- The hypothalamus
- The cerebellum
- The medulla (correct)
- The pons
What is the primary factor that powerfully affects the basic respiratory rhythm?
What is the primary factor that powerfully affects the basic respiratory rhythm?
- Sensory signals from the lungs
- Sensory signals from the diaphragm
- Sensory signals from the brainstem
- Sensory signals of CO2 and O2 levels in the blood (correct)
What forms the basis of the inspiratory phase in the respiratory rhythm?
What forms the basis of the inspiratory phase in the respiratory rhythm?
- The cerebellum
- A single neuronal type (correct)
- The pons
- Multiple neuronal types
What is the primary cause of central sleep apnea?
What is the primary cause of central sleep apnea?
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Which area of the brain is primarily affected in central sleep apnea?
Which area of the brain is primarily affected in central sleep apnea?
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What are common treatments for central sleep apnea?
What are common treatments for central sleep apnea?
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Study Notes
Respiratory Rhythm
- The dorsal respiratory group (DRG) is the main generator of the respiratory rhythm of inspiration and expiration.
- The primary factor that powerfully affects the basic respiratory rhythm is the pCO2 (partial pressure of carbon dioxide) in the blood.
Inspiratory Phase
- The basis of the inspiratory phase in the respiratory rhythm is formed by the activation of the diaphragm and external intercostal muscles.
Central Sleep Apnea
- The primary cause of central sleep apnea is the failure of the brain to send signals to breathe.
- The area of the brain primarily affected in central sleep apnea is the brainstem.
- Common treatments for central sleep apnea include adaptive servo-ventilation (ASV), continuous positive airway pressure (CPAP), and bilevel positive airway pressure (BiPAP).
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