Q:

Metabolic rate can be estimated from measurements of

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 Metabolic rate can be estimated from measurements of.


  1. Total heat production.
  2. The calorific value of the food consumed in the previous 24 hours.
  3. Oxygen consumption provided the type of food being metabolized is known.
  4. Oxygen consumption and the respiratory quotient.
  5. Carbon dioxide production and the respiratory quotient.

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A. True Total energy expenditure must eventually appear as heat.

B. False Energy production is related to the metabolism of food, not its intake.

C. True Since oxygen is consumed only in metabolism, total oxygen consumption is an index of metabolic rate; the energy produced per unit of oxygen consumed varies somewhat with different substrates.

D. True Respiratory quotient indicates the mix of substrates used.

E. True Metabolic rate is proportional to carbon dioxide formation.

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