Which of the following would be the best measure of protein utilization in an endurance athlete?

Question

Quizplus · Accepted Answer

Nitrogen balance is a measurement of the nitrogen excreted in urine and feces compared to the nitrogen consumed in the diet. This measurement is used to assess protein utilization and turnover in the body. Endurance athletes have increased protein requirements due to the breakdown of muscle tissue during prolonged exercise, so nitrogen balance would be a better measure than calorimetry, which measures energy expenditure, or neurotransmitter levels and food records, which do not directly measure protein utilization.

Which of the Following Would Be the Best Measure of Protein