The respiratory quotient is A) the rate at which gases diffuse across the alveolar capillary membrane B) respiratory rate times tidal volume C) the ratio of O₂ consumed to CO₂ produced D) the ratio of CO₂ produced to O₂ consumed E) equal to 1.0 on a typical American diet

Question

Quizplus · Accepted Answer

The respiratory quotient (RQ) is the ratio between the amount of CO2 produced and the amount of O2 consumed during cellular respiration. Therefore, option D is correct, as it states that RQ is the ratio of CO2 produced to O2 consumed. Options A, B, and E are incorrect, as they do not reflect the definition of the respiratory quotient.

The Respiratory Quotient Is