Nutrition Quiz Flashcards
What does nutrients do?
3 answers
- Provides energy
- helps build cells & tissues
- regulates vitals
What is a nutrient?
A chemical substance found in food that maintains the body
The 3 main macronutrients that provide calories in your diet
- carbohydrates
- fats
- proteins
Typical american diet-
CHO%
50
Typical american diet-
PROTEIN%
15
Typical american diet-
FAT%
25
What is a calorie?
the ~ amount of E needed to raise the T of 1 g of water by 1 C at a P of 1 atm.
1 pound is equivalent to
3,500 calories
How many extra calories does the avg. American consume daily?
275-500 calories
3 factors that effect how many calories you need:
1) age
2) gender
3) activity level
Carbohydrates… How many calories for every 1 gram
4 calories
Complex CHO
- Good!
- whole grains, fruits, veggies, and some dairy products
Simple CHO
- bad!
- high in sugars and calories
- baked goods, chips, pizza
What carbs do:
4 answers
- body’s main fuel source
- easily used for energy
- body uses glucose for all tissues & cells
- needed doe main organs; kidney, CNS, the brain, & muscles to function properly
- can be stored in muscles & liver for later use as energy
Fiber is…
A type of indigestible CHO that cleans out your digestive tract and helps with staying regular.
Not enough fiber lead to…
Constipation and bloating
Protein: how many calories are delivered in 1 gram?
4 calories
Protein can be found in?
Animal and plant sources
animal protein
Complete and found in…
Eggs, salmon, chicken, and lean meats
Plant protein
Incomplete by itself and found in…
Dark leafy greens, lentils, tofu, and almonds
What does protein do for the body?
4 answers
- aids in normal growth & development
- tissue repair
- immune function
- making essential hormones & enzymes
- 2nd in line for fuel when CHO isn’t available
- preserves lean muscle mass
Incomplete proteins
Are lacking one or more amino acids
Complete proteins
contains an adequate proportion of all 9 of the essential amino acids
Fat: how many calories delivered for every 1 gram?
9 calories