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nutrition exam 5
exam 5
21
Science
Undergraduate 2
12/06/2011

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Term
Water
Definition
Cannot be stored or conserved
Term
Functions of water
Definition
- remove waste products
-urea removed from urine
-temperature regulation
- transports blood
Term
What causes us to drink water?
Definition
- when the body's blood level becomes more concentrates, theres a decrease in salivw, dry mouth thirst> drink.
- when bood has increase in blood concentration due to salt, sodium, and then you drink water to lower the high concentration
Term
If you ignore the thirst message?
Definition
ADH antidiuretic hormone tells your kidneys to concentrate the urine
Term
Water needs
Definition
Females: 2.7 Liters(91 ounces)
males:3.7 liters (125 ounces)
older adults and children need to be more aware of their water needs.
Term
Water Location
Definition
2/3 inside the cells
1/3 outside the cells
body regulates by osmosis
movement from low concentration to higher in order to equalize the concentration.
Term
Minerals Functions
Definition
Structural, not gone when you cook them, metabolic role, and don't contain energy.
Term
Mineral Concern
Definition
Bio avalibility
Term
Sodium in the diet
Definition
Sodium free less than 5 mg
low sodium 1140 mg or less
25% less sodium
Term
Potassium
Functions
Definition
Balances fluid
muscle and nerve function
Term
Deficencey
Definition
rare in healthy humans.
Symptoms: severe dirrhea, vomitting, some diuretics, muscle weakness, cramps, and alter mental capacity.
Term
Recommendations
Definition
Minimum 200 mg
DV=3500mg
AI=4700mg
Term
Food source
Definition
Banana= 470mg, cantalope,beans,baked potatoe,orange juice
Term
toxcicity
Definition
normal kidney functions not from high in potassium.
supplements limited to 99mg
Term
Calcium functions
Definition
structure of bones and teeth 99% free, free calcium is 1% (blood clottung, muscle and nerve function, blood pressure.)
Term
Deficencey
Definition
doesn't show up in free calcium. poor intake doesnt show up until 50+. you lose .5% per year before age 40 after age 50 you lose 5% per year.
Term
Symptoms
Definition
osteoprosis, decrease in bone mass, increase in bone fracture.
ca loss occurs from trabecular bone, wrist hip/ vertebrae.
1 in 5 people with a hip fracture end up in nursing home.
Term
recommendation
Definition
9-18Age 1300mg
19-50Age 1000mg
51+ 1200mg
at 30 you stop adding but it slows lose down DV=1000mg
Term
Sources
Definition
Dairy :yogurt.milk,cheese, milk, pudding, soft serve ice cream.
Grains: calcium fortified cereal

Veggies: brocolli, coolar and turnips.
Meat: salmon, sardines, and tofo.
Term
Increase in absorption
Definition
lactose, glucose, vit d, vit c
Term
toxcicity
Definition
UL= 2500mg
>constipatation, bloating, constipation
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