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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Which of the following true about ventilation and perfusion in alveoli in erect posture?
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The correct answer is  The V/Q ratio can therefore be defined as the ratio of the amount of air reaching the alveoli per minute to the amount of blood reaching the alveoli per minute--a ratio of volumetric flow rates. ... The V/Q ratio can be measured with a ventilation/perfusion scan. A V/Q mismatch can cause a type 1 respiratory failure Ref: guyton and hall textbook of medical physiology 12 edition page number: 320,321,322