Exam 4: Nutrition Flashcards
Chyme
Liquified acidic food product
Bile
Released from liver, secretin and cholecystokinin from the small intestine
Peristalsis
Moves chyme along, gradual decreasing acidity
Digestion occurs in the
Small intestine
Primary site of absorption
Small intestine via the villi
Active transport
Higher concentration lower, carrier moves nutrient across the cell membrane
Passive diffusion
Particles move from higher to lesser concentration WITHOUT carrier
Osmosis
Movement of water across a membrane to equalize pressure
Pinocytosis
Absorbing cell engulfs large nutrients
What is needed for cell function as it depends on fluid environemtn
Water
Essential for metabolism and is water soluble OR fat soluble
Vitamine
Catalysts for enzymatic run
Minerals
main source of energy
Carbohydrates
Carbohydrates is ____ kcal/gram
4 kcal/gram
necessary for nitrogen balance
Proteins
proteins are ____ kcal/g
4 kcal/g
fats are ___ kcal/grams
9 kcal/gram
Fat soluble vitamins
A
D
E
K
High doses of fat-soluble vitamins are at risk for
Hyper - Vitaminosis
Who has a larger percent of their body composed of water? Someone with BM I of 23 or BMI of 48?
Someone with a BMI of 23
Dietary reference intakes
Acceptable range of quantities of vitamins and minerals for each gender and a few group
UNderstand factors associates with intake of food and fluids in each society and culture
Celebrations
Traditions
Values, beliefs, and attitudes can affect what food is purchased, prepared, and consumed
Development, body composition, activity, pregnancy/lactation, and disease can alter nutritional requirements.
Environment: what is available? Famine? Feast? Food deserts?
Infants and toddlers
Breastfeeding/formula
Infants/toddlers when do they have soft solids
6-8 months and supplement with milk and formula