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Questions and Answers
What is the initial physiologic defect that varies according to each pathology?
What is the initial physiologic defect that varies according to each pathology?
- Impaired gas exchange
- Accessory muscle activation
- Increased work of breathing
- Varying initial V/Q ratio (correct)
What is the optimal V/Q ratio for maintaining normal gas exchange?
What is the optimal V/Q ratio for maintaining normal gas exchange?
- 1.5
- 1.0
- 0.8 (correct)
- 0.5
What is the consequence of a mismatch between ventilation and perfusion in the area of pathology?
What is the consequence of a mismatch between ventilation and perfusion in the area of pathology?
- Decreased respiratory rate
- Impaired gas exchange and increased work of breathing (correct)
- Increased lung compliance
- Enhanced gas exchange efficiency
What is the degree of physical correspondence between ventilated and perfused areas of the lungs called?
What is the degree of physical correspondence between ventilated and perfused areas of the lungs called?
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What is the blood flow through the pulmonary circulation that is available for gas exchange called?
What is the blood flow through the pulmonary circulation that is available for gas exchange called?
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