Final Exam Flashcards
(52 cards)
Needed in large amounts
Macronutrients
The macronutrients (4)
Carbohydrates, Lipids, Proteins, Water
Macronutrient: Provide energy for the body
Carbohydrate
Macronutrient: Growth and repair
Proteins
Macronutrient: Store energy and shock absorber
Lipids (Fats)
Micronutrient: Required for normal growth and metabolism
Vitamins
Micronutrient: Inorganic substances
Minerals
Compounds that contain Carbon
Organic substances
Compounds that do not contain Carbon
Inorganic substances
Provides a greater contribution to you nutrient need than calorie need
Nutrient dense
Contain large amount of calories per serving
Energy dense
Claims that describe nutrients in food
Nutrient content claims
Describes a relationship between a disease and a nutrient, food, or food constituent
Health claims
Describe how a nutrient affects body structure or function
Structure/function claims
Claims are regulated by:
FDA
Mouth, esophagus, stomach, small and large intestine, rectum, anus, liver, pancreas, and gallbladder
Parts of the GI Tract
Process in which food is broken down in GI tract, releasing many nutrients in forms body can use
Digestion
Process in which nutrients are taken into cells lining and GI tract
Absorption
Diffusion: assisted diffusion of a substance across a cell membrane
Facilitated diffusion
Diffusion: unassisted diffusion of a substance across a cell membrane
Simple diffusion
Diffusion: transport of substances across a cell membrane with aid of a carrier molecule and the expenditure of energy
Active transport
Hormone that controls release of HCL and pepsinogen
Gastrin
Hormone that stimulates release of pancreatic enzymes and release of bile from gallbladder
Cholecystokinin
When energy intake=energy expenditure (calories in=calories out)
Energy equilibrium