NASM CNC Practice Exam | Questions with 100% Correct Answers | Updated & Verified | 2025

A scientist proposes that sugar is inherently fattening, independent of its calorie content. If that proposal is true, then what would mean that high sugar diets should increase fat gain independent of their calorie content. What term describes this potential consequences? Prediction Scientists find that a protein supplement increases lean mass in the elderly. However, they caution that the results may not apply to other populations, like younger people. What term best describes what the scientists are referring to? External validity Which observational study design allows scientists to hypothesize a potential casual association? Cohort study Scientists take 5000 people and have them fill out questionnaires on their daily intake. They then compare cancer rates between the people with high intakes and low intakes. What type of study is this? Observational For an individual engaged in light aerobic exercise 2-3 days per week, what would be the most optimal protein prescription? 1.4 g/kg body weight Is it ever okay for a sedentary person to eat a high protein diet? Yes, there is usually no issue with a sedentary person consuming a diet high in protein up to 2.2 g/kg body weight.