NTR 555 Final Exam with Questions and Answers

NTR 555 Final Exam with Questions and Answers The food that probably provides an athlete with the least amount of protein relative to the number of kcal would be a. a serving of lentils b. a baked potato c. a carton of greek yogirt d. a powerbar ANSWER baked potato A soccer player, who has heard that carbohydrates are readily converted in to undesirable body fat, chooses diets consisting primarily of protein bars and shakes and lean meats that provide about 55% of her kcal from protein, 20% from fats, and 25% from carbohydrates, and a total energy intake of about 2000 kcal/day. What will be the fate of the majority of the amino acids that are consume in this diet? a. the high protein intake will stimulate muscle growth so that most of the amino acids will build new body protein b. amino acids will provide ketone to fuel the brain c. amino acids will only be oxidized to provide energy d. amino acids will participate in protein turnover and some can form krebs cycle intermediates, but ultimately they are broken down to provide energy, CO2, and urea ANSWER amino acids will participate in protein turnover and some can form krebs cycle intermediates, but ultimately they are broken down to provide energy, CO2, and urea when branched chain amino acids are deaminated in muscle, the ammonia produced is mostly a. converted into arginine and released from the muscles to create nitric oxide b. converted into urea and released from the muscle c. used to synthesize purine and pyrimidine nucleotides in the muscle