BIOD 121 (Portage) Exams with complete solution ; everything you need

What is nutrition: - nutrition by definition is a science that links food to health and disease. It includes the processes that humans ingest, digest, absorb, transport, and excrete substances Nutrition spands all ages in which: - it impacts the time of birth to the time of death How do pharmaceu...

Energy balance - a state when one's energy intake is equivalent to the amount of energy expended Energy in equals energy out (calories consumed is burned through basic body functions + exercise - energy balance positive energy balance - occurs if more calories (energy) are consumed than expended...

BIOD 121 Portage module 2 protein digestion - 1. cooking 2. pepsin (in stomach) 3. cholecystokinin -CCK (small intestine) - travels to pancreas, releases trypsin back to SI 4. trypsin - breaks peptide chains 5. amino acids absorbed through portal vein to liver digestion - transforming food int...

food - provides calories for energy nutrients - (1) promote growth and development; (2) maintain tissue, cells, and bone; (3) fuel the body for physical and metabolic work; (4) regulate body processes over 45 essential nutrients hunger - internal drive/sensation - growling, pain appetite - ex...

essential vitamins - 13 vitamins that animal cells need but can't synthesize found in both plant and animal sources vitamins produced by the body - vitamin K and biotin (gut flora) vitamin D (skin) vitamin A (from beta carotene) niacin (tryptophan) two criteria for vitamins - 1. must be consu...

ositive energy balance - more calories consumed than expended negative energy balance - fewer calories consumed than expended hyperplasia - increase in number of cells (e.g., fat cells in childhood, pregnancy) hypertrophy - increase in cell size (low growth and maintenance, such as throughout adu...

What are the five dimensions of health - physical health intellectual health emotional health social health spiritual health Food - provides energy in terms of calories Nutrients - 1) promote growth and development 2) maintain tissue, cells, and bones 3) fuel the body for physical and metabo...

itamins - organic compounds that the body needs in small amounts, almost exclusively obtained through the diet. Function of vitamines? - help regulate and support a variety of processes related to digestion, absorption, metabolism, and body regulations. Yield no energy: - vitamines Vitamins are...