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
Monounsaturated fat
-Good!
Peanut butter, avocados
Polyunsaturated fat
Okay. Light and transparent oils Salmon Chia seeds Flax Nuts
Saturated fats
Bad!
Solid @ RTemp; butter
Red meat
Animal products (generally)
Trans fat
worst!!
Processed foods
Fried foods
Bad for the heart
What fat does for the body… 4 facts
- normal growth & development
- energy ( most concentrated source)
- helps with absorption of certain vitamins
- provides cushioning for organs
How much water should you be drinking per day
6-10 glasses
How many glasses per 1 lb of sweat
2 glasses or 16 oz
Micronutrients are made up of …
Vitamins and minerals.
Micronutrients in small amounts…
Ensure normal, metabolism, growth, and physical well-being
Most vitamins are — made in the body.
Not
Vitamins are either — or —
H2O soluble or fat soluble
Based on how the body absorbs them
Water soluble; such as — and —
B and C
Water soluble are…
1) not stored in the body
2) dissolve in water to go into blood stream
3) body keeps what it needs and excretes the rest
4) has to be replenished daily
Vitamin C or chemical name…
Ascorbic acid
Vitamin C is found in…
Kiwis, limes, oranges, citrus
Vitamin C helps with…
Skin, cleansing liver, immune system
A vitamin C deficiency can cause…
Scurvy, were the gums become spongy, the teeth loosen, and bleeding through skin and mucus occurs.
Fat soluble vitamins are…
A, D, E, and K
Fat soluble vitamins are….
1) Stored in the body
2) dissolve in fat
3) body uses what it needs and stores rest for the future
Vitamin D: main source is from …
The sun
Other sources of vitamin D are:
Egg yolks, fish oils, milk
But is present in few foods
Vitamin D…
1) Strengthen bone; helps with calcium absorption
Vitamin D deficiency can cause…
Rickets, a childhood disease that softens the bones, causing abnormal bone growth and chronic pain.
List three minerals
1) calcium
2) iron
3) zinc
4 Calcium facts
- strong bones
- 1:10 girls(over 13) get enough calcium
- 1,300 mg/day
- bone density built at 9-18 and stops at 50
- calcium deficiency leads to osteoporosis- spongy bones.
Food with calcium:
Milk, leafy greens, yogurt
Iron aka — and —
Folic acid or folate
Most iron in our body is found in the blood as —-
Hemoglobin
Iron Found in… 3
1) liver, red meats, chicken
2) spinach, legumes
3) strawberries and raisins
Low in iron… Most common nutritional disorder
Anemia
Symptoms of anemia-3
1) fatigue
2) decreased mental function
3) shortness and difficulty with breathing
HDL is:
High density lipoprotein
HDL should be…
High
LDL
Low density lipoprotein
LDL should be…
Low
High LDL can put yourself risk at for…
Coronary disease, stroke, and type II diabetes