Term
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Definition
salts that dissolve in water and separate |
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Term
Two agents that act on kidneys to retain water |
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Definition
Aldosterone (from adrenal glands) and antidiuretic hormone (ADH) (from pituitary glands) |
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Term
Characteristics of electrolytes (2) |
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Definition
1. Attract water 2. Create osmotic pressure |
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Term
Most abundant mineral in body? |
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Definition
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Term
1% of calcium consumed is dissolved in the blood for: (2) |
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Definition
blood clotting, blood pressure regulation |
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Term
Dietary sources of calcium |
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Definition
broccoli, fortified orange juice, fish with bones (sardines) |
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Term
Blood calcium is maintained at the expense of what? |
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Definition
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Term
Body's reaction to blood calcium being too low (3) |
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Definition
1- intestines absorb more calcium 2- bones release more calcium 3- kidneys excrete less calium |
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Term
What does your calcium balance depend on? |
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Definition
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Term
2 forms of calcium deficiency; describe |
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Definition
Osteoperosis- porous and fragile bones
Rickets- childhood form of osteoperosis |
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Term
4 Ways to decrease bone loss |
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Definition
1. Exercise 2. Get adequate calcium 3. Get adequate vitamin D 4. Take estrogen replacement (post-menopausal) |
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Term
At what age does bone mass peak? |
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Definition
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Term
What happens after the age of bone mass peak? |
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Definition
You can only prevent loss of bone mass, you cannot add to it. |
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Term
2 Main functions of phosphorous |
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Definition
1. Bone & teeth structure 2. Major buffer |
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Term
Dietary sources of phosphorous |
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Definition
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Term
Effect of high phosphorous intake (i.e. from soft drinks) |
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Definition
Decreases calcium absorption |
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Term
3 Major functions of magnesium |
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Definition
1. Important to enzymes 2. ATP metabolism 3. Prevents dental caries |
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Term
Dietary sources of magnesium |
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Definition
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Term
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Definition
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Term
Major Functions of sodium |
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Definition
1. Principle cation outside cell 2. If you are salt sensitive, it increases the risk of hypertension |
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Term
Dietary sources of sodium |
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Definition
processed foods, (about 75% of our intake) |
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Term
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Definition
NOT recommended for endurance; use sports drinks instead |
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Term
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Definition
principle cations within body cells |
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Term
Dietary sources of potassium |
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Definition
FRESH fruits and vegetables |
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Term
Functions of Chloride (3) |
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Definition
1. Major anion outside the cells 2. Fluid and electrolyte balance 3. Hydochloric acid in stomach |
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Term
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Definition
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Term
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Definition
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Term
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Definition
1. Part of other compounds 2. "Bridges in proteins, stabilizes shape |
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Term
World's major source of iodine |
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Definition
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Term
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Definition
Part of hemoglobin and myoglobin (carry and release oxygen |
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Term
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Definition
1. non-heme: found in plant and animal foods; poor absoption
2. heme: found in animal foods, better absorbed than non-heme |
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Term
Factors than increase iron absorption |
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Definition
1. vitamin c 2. pregnancy, childhood |
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Term
Factors that decrease iron absorption |
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Definition
1. tannic acid (in tea and coffee) 2. calcium in milk |
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Term
What is the most common genetic disorder in the US? |
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Definition
Hemochromatosis- caused by iron absorption overload; causes liver damage and infections |
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Term
Leading cause of accidental poisoning in kids? |
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Definition
Iron poisoning; children accidentally taking iron pills |
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Term
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Definition
1. Taste perception 2. DNA/RNA 3. Wound healing 4. Sperm development |
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Term
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Definition
1. Antioxidant 2. Makes thyroid hormone active |
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Term
Main function of fluoride |
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Definition
Forms crystal structure of teeth |
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Term
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Definition
Dental caries; most widespread health problem |
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Term
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Definition
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Term
Functions of chromium (2) |
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Definition
1. Facilitate glucose uptake into cells 2. Do NOT help to lose fat; but does help with diabetes |
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Term
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Definition
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Term
What is a foodborne illness? |
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Definition
Illness transmitted to humans through food and water caused by an infectious agent
*this is also called food poisoning |
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Term
"Error in commercial setting" is the cause for what percent of foodborne illnesses |
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Definition
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Term
2 ways microorganisms cause foodborne illness |
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Definition
1. infection: microbes multiply and infect tissues 2. intoxication: toxins released as bacteria multiply |
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Term
At-risk groups for food poisoning (4) |
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Definition
pregnant women children elderly those with weakened immunity |
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Term
Foods most likely to make people sick: |
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Definition
-high moisture/high nutrient foods -chopped or ground foods |
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Term
List of foods most likely to make people sick: |
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Definition
meats & poultry, eggs, seafood, fruits & vegetables, picnics and lunch bags, honey |
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Term
Precautions for meats & poultry |
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Definition
cook thoroughly (use a thermometer) |
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Term
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Definition
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Term
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Definition
Only safe when completely cooked |
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Term
Precautions for fruits and vegetables |
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Definition
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Term
Precautions for picnics and lunch bags |
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Definition
keep cold with cold-packs |
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Term
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Definition
May contain dormant microbes; VERY dangerous for infants |
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Term
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Definition
heating of milk to kill germs |
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Term
Hazard Analysis and Critical Control Point |
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Definition
identifies points of contaimination; implements controls to prevent illness; safe canning and packaging |
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Term
Food provides these three ideal conditions for bacteria: |
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Definition
1- warmth (40-140 degrees) 2- moisture 3- nutrients |
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Term
To be safe in the kitchen: |
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Definition
1: Keep hot foods hot (above140 degrees) 2: Keep cold foods cold (below 40 degrees) 3: Keep raw foods separate 4: Keep your hands and kitchen clean |
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Term
Temperature Danger Zone for food: |
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Definition
40-140 degrees (cannot stay in TDZ for more than 4 hrs) |
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