Question

When the Respiratory Quotient (R.Q.) is greater than 1, it indicates

• A. Only aerobic respiration is taking place
• B. Only anaerobic respiration is taking place
• C. Both aerobic and anaerobic respiration are taking place
• D. None of these

Answer 1

The correct option is D None of these

The respiratory quotient is used in calculations of BMR when estimated from carbon dioxide production. It is calculated from the ratio of carbon dioxide produced by the body to oxygen consumed by the body. A value of 0.7 indicates that lipids are being metabolized, 0.8 for proteins, and 1.0 for carbohydrates. RQ can be used as an indicator of over or underfeeding. Underfeeding, which forces the body to utilize fat stores, will lower the RQ and is marked by an RQ below 0.85, while overfeeding, which causes lipogenesis, will increase it and is indicated by RQ greater than 1.0.

So, the correct option is 'none of these'.