Flashcards in Unit 1 Deck (160)
______ is the biological drive to find and eat food and is regulated by internal mechanisms underlying metabolism
________ is the psychological drive to eat and is influenced by external factors such as environment social customs, etc.
_______ is a state in which there is a temporary feeling of satisfaction with no desire to eat
_______ and ______ centers of the brain maintain nutrient availability in our body
Feeding and satiety
What is nutrition?
The science that links. Foods to health and disease
Nutrition includes the processes by which the human organism _______, _______, ________, _____ and ______ food substances
Ingests, digests, absorbs, tranpsort and excretes food substances
Foods provide _____ and _____
Energy and nutrients
What are the 3 characteristics an essential nutrient?
1) it has a specific biological function
2) removing it from the diet leads to decline in human biological function
3) adding the missing nutrient back to the diet before permanent damage occurs restores those biological functions impaired by its absence
What are the quidelines of nutrition?
Focus on variety, nutrient densit and amount
What are the 3 functions of nutrients?
Promote growth, development and maintenance
Regulate biochemical processes
What are the 6 classes of nutrients?
What classes of nutrients provide energy?
Lipids and carbohydrates
Proteins in times of starvation
What sources fo nutrients promote growth, devleopment and maintenance?
Proteins and lipids
Some vitamins and minerals
What sources of nutrients regulate biochemical processes?
Some lipids,vitamins and minerals
________ are nutrients needed in gram quantities in the diet
_______ are nutrients need in milligram or microgram quantiteis in the diet
What are examples of macronutrients?
What are examples of micronutrients?
Vitamins and minerals
There are ____ essential nutrients: ___ families
What is the essential carb?
What are the essential lipids? (2)
Linoleic acid (omega-6)
Alpha-linolenic acid (omega 3)
What are the 9 essential amino acids?
Histidine, leucine, isoleucine, lysine, methionine, threonine, tryptophan and valine
HILK MFW TV
(Single letter abbreviations)
What are the two categories of vitamins?
Water-soluble and lipid soluble
What are the essential water soluble vitamins?
B1, B2, B3, B5, B6, B7, folate and ascorbic acid (vitamin C)
What are the full names of the following water soluble vitamins?
B5: pantothenic acid
C: ascorbic acid
What are the essential lipid soluble vitamins?
What are the full names of the following lipid-soluble vitamins A, D, E and K?
A: retinoids -al, -ol, oic acid
D: calcitriol or calciferol
What are the 7 essential major minerals ( greater than 100mg/day)?
What are the 8 essential trace minerals?
There are ____ essential vitamins (number)
There are _____ essential minerals (number)
13 essential vitamins
16 essential minerals