RT Book, Section A1 de Jesus, Matthew A2 Freeman, Brian S. A2 Berger, Jeffrey S. SR Print(0) ID 1135740609 T1 Nutrition T2 Anesthesiology Core Review: Part Two Advanced Exam YR 2016 FD 2016 PB McGraw-Hill Education PP New York, NY SN 9781259641770 LK accessanesthesiology.mhmedical.com/content.aspx?aid=1135740609 RD 2024/04/19 AB The body requires the intake of water, energy, and nutrients in order to function properly and maintain body mass. Energy substrates are derived from ingested carbohydrates, proteins, and fats or mobilized from stored sources. A final source of nutrients may be the catabolism of muscle. A large amount of nutrients required for bodily function can be synthesized, but essential nutrients must be ingested, which include various amino acids, fats, vitamins, and minerals.