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Questions and Answers
What is a feature of the pharyngeal wall mentioned?
What is a feature of the pharyngeal wall mentioned?
- Improved ventilation
- Decreased compliance
- Fatty infiltration (correct)
- Reduced O₂ consumption
What challenge is associated with ventilation using a face mask?
What challenge is associated with ventilation using a face mask?
- Improved oxygen delivery
- Decreased CO₂ production
- Easy ventilation
- Difficulty in ventilation (correct)
What is the effect on O₂ consumption and CO₂ production?
What is the effect on O₂ consumption and CO₂ production?
- Increased O₂ consumption, increased CO₂ production (correct)
- Decreased O₂ consumption, increased CO₂ production
- Decreased O₂ consumption, decreased CO₂ production
- Increased O₂ consumption, decreased CO₂ production
What condition might be present with renal compensation and altered CO₂ sensitivity?
What condition might be present with renal compensation and altered CO₂ sensitivity?
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What is a characteristic change in pharyngeal wall compliance?
What is a characteristic change in pharyngeal wall compliance?
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Study Notes
Fatty Infiltration of Pharyngeal Wall
- Fatty infiltration of the pharyngeal wall leads to increased pharyngeal wall compliance
- This results in difficulty in ventilating by face mask
- Metabolic changes occur, including:
- Increased oxygen consumption (↑ O₂)
- Increased carbon dioxide production (↑ CO₂)
- Chronic hypercarbia may occur, leading to:
- Renal compensation
- Altered CO₂ sensitivity
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