Question

R.Q is

• A. ${\mathrm{O}}_2/{\mathrm{CO}}_2$
• B. ${\mathrm{CO}}_2/{\mathrm{O}}_2$
• C. ${\mathrm{CO}}_2+{\mathrm{O}}_2$
• D. ${\mathrm{CO}}_2-{\mathrm{O}}_2$

Answer 1

The correct option is B

${\mathrm{CO}}_2/{\mathrm{O}}_2$

The correct option is B.

Explanation of the correct option:

1. The expanded form of RQ is the respiratory quotient.
2. It is defined as the ratio of carbon dioxide side produced to oxygen consumed.
3. The ratio depends on the type of respiratory substrate used.
4. For fats, it is less than 1, carbohydrates equal to 1 and for proteins, 0.9.

Final answer: R.Q is ${\mathrm{CO}}_2/{\mathrm{O}}_2$.