Chapter 47 Nutrition Flashcards
Carbohydrates
Composed elements carbon (c) hydrogen (h) and oxygen (o) are of two basic type simple carbohydrates sugars ex candy, fruit and complex carbohydrates starches and fiber ex grains, legumes, potatoes all nutrients must be digested ingested and metabolized
Proteins
Amino acids organic molecules made up primarily of carbon hydrogen oxygen and nitrogen combine to form proteins. Every cell in the body contains some protein and about three quarters of body solids are protein ex plant or animal
Fats (lipids)
Are lipids that are solid at room temp oils are lipids that are liquid at room temp
Fatty Acids made up of carbon chains and hydrogen are basic structural units of most lipids
Saturated fatty acids vs Unsaturated fatty acids
Saturated fatty acids are those in hydrogen atoms than it currently does
Unsaturated fatty acids are one that could accommodate more hydrogen atoms than it currently does
Glycerine vs Triglycerides
Glycerides are the simple lipids are most common from of lipids
Triglycerides account for more than 90% of the lipids in food and in the body
Vitamins
An organic compound that cannot be manufactured by the body and is needed in small quantities to catalyze metabolic process ex water soluble vitamin b or c and fat soluble vitamin a d e and k
Minerals
Are found in organic compounds as inorganic compounds and as free ions like calcium and phosphorus make up 80% of all minerals elements of the body
Digestion System
Enzymes break down carbs, protein, and lipids
Anything ends are and sins like for ex Amylase Lipase Lactase Trypsin chymotrypsin pepsin
Absorption system
The body ability to utilize carbs proteins lipids fats for processing more on this future classes
Metabolism system
Carbs metabolize for energy
Proteins metabolize to break down build up and balance
Lipids metabolize for energy
Nutritional Energy of Calories
Measurement unit of heat energy
How calories measure up
Carbohydrates contain 4 calories per gram
Protein contains 4 calories per gram
Fat contains 9 calories per gram
Alcohol contains 7 calories per gram
Basal Metabolic rate BMR
Rate at which the body metabolizes food to maintain energy requirements of a person who is awake and at rest
How do you not gain weight?
What is an ideal weight?
Maintaining a healthy or ideal body weight requires a balance between that expenditure of energy and the intake of nutrients
What is body mass index
An indicator of changes in body fat stores and whether a person’s weight is appropriate for height and may provide a useful estimate of malnutrition