GI - Nutrition Flashcards
What is nutrition?
- It is the process of taking in food and fluids, converting the nutrients into useable forms by the process known as metabolism.
- Study of food and how it affects the human body and influences health.
What is the purpose of the food pyramid?
Maintain adequate nutrition
What is the lowest serving for?
children
What is the highest serving for?
adult male
What is serving size for breads, cereal, rice, and pasta?
6 oz/day
What is the serving size for vegetables?
2.5 cups everyday
What is the serving size for fruits?
2 cups every day
What is the serving size for dairy?
3 cups every day
What is the serving size for meats?
5.5 ounces per day
What is the serving size for fats?
Sparing
Decrease or increase total CHO intake?
increase, good CHO
Decrease or increase cholesterol intake?
decrease
What total do you want on a cholesterol test?
less than 200
Decrease or increase intake of refined sugar?
decrease
Decrease or increase fiber?
increase
Decrease or increase sodium?
decrease
Why should you limit salt-cured, smoke and charbroiled foods?
- Comes from American Cancer Society
- Connection to some types of cancer
How much ETOH/alcohol should you consume?
moderate amounts
What is the recommended amount of caffeine consumption?
no more than 4 cups per day
What is the job of protein?
build and repair tissues and cells
When does the need for protein increase?
when physical stress is present
When does the body use protein for energy?
body uses CHO and then fat before protein
How are proteins built?
amino acids
How many amino acids do you need to build a protein?
20
How many amino acids are essential?
9
How many amino acids are nonessential?
11
Where do you find essential amino acids?
food
Where do you find nonessential amino acids?
made in liver
What do complete proteins contain?
all 9 essential amino acids
Where are complete proteins found?
animal sources and soybeans
Where are incomplete proteins derived from?
plant sources such as: cereal, grains, legumes, and some vegetables
How many calories should be from protein?
10-15% of total calories
How large is a serving of protein?
One serving of protein is about the size of a deck of cards or about 3 ounces
Protein deficiency
- starvation
- change in hair and skin
- impaired growth and development
- liver becomes fatty and is unable to function
Protein excess
- causes liver and kidney problems
- adds increased fat to the diet that can cause heart disease and possibly attributes to some cancers
What is the main source of energy?
CHO, provides quick energy
How many calories should be from CHO?
50-60% of total calories
What is the job of CHO?
- provide energy
- assists with the function of organs, CNS, and muscles
- assists with immunity
- assists with growth of tissues
How many calories are in 1 gram of CHO?
4 calories
How many calories are in 1 gram of protein?
4 calories
What are the 3 types of CHO?
- simple CHO
- complex CHO
- fiber
What are simple CHO?
- sugar
- monosaccharide - one unit
- disaccharides - two unit
What are complex CHO?
- fruit, vegetables
- polysaccharides - long chain of saccharides
What is fiber?
- polysaccharides
- indigestible “fibrous skeleton” of plant foods
Why do Americans need to reduce their intake of fats?
- rise in obesity
- breast and colon cancer
- hypertension, CV disease
- stroke
Are fats a necessary part of the diet?
yes
What provides the most concentrated from of energy?
fat
How many calories are in 1 gram of fate?
9
What are some functions of fate?
- Provides insulation and helps maintain body temperature
- Protects body organs
- Assists in transmission of nerve impulses
How many fat calories should you consume?
25-30% of total calories with only 10% being from saturated fats and 20-25% healthy fats