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Hydration, Energy Balance, Weight Control, Physical Activity
Nutrients & Minerals, Metabolisms, Weight-Related Diseases
62
Science
Undergraduate 2
11/18/2012

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Cards

Term
How much does water make up of an adult's body?
Definition
60% or 2/3
Term
What organ contains the most water?
Definition
Brain
Term
How much water do you need to function?
Definition
1.7 Liters
Term
What carries nutrients through the body?
Definition
Water
Term
What acts as a lubricant around joints?
Definition
Water
Term
What aids in maintaining the body's temperature?
Definition
Water
Term
What aids in the mastication and softening of food?
Definition
Water
Term
Mild Dehydration
Definition
Loss of <5% body weight, Thirst, Dry Mouth & Throat
Term
Severe Dehydration
Definition
Loss of <5% body weight, pale skin, bluish lips and finger nails, confusion
Term
Water Intoxication
Definition
Too much plain water floods, dilutes electrolytes
Term
What regulates sweating?
Definition
Hypothalamus Gland
Term
How does the body cool itself down?
Definition
Sweating
Term
Hard Water
Definition
High concentrations of calcium and magnesium, Egg smell
Term
Soft Water
Definition
High sodium, Dissolves cadmium and lead from pipes
Term
What regulates water in cells?
Definition
Sodium
Term
What follows salt?
Definition
Sodium
Term
Osmotic Pressure
Definition
Movement of substances from high concentration across a membrane to a lower concentration
Term
What are salts?
Definition
Result from neutralization of an acid with a base
Term
What is hypertension?
Definition
High blood pressure
Term
Sodium DRI
Definition
1500mg
Term
What food sources are high in sodium?
Definition
Snacks, soft drinks, processed meat products
Term
What controls sodium levels?
Definition
Aldosterone from the adrenal glands
Term
What maintains osmotic equilibrium?
Definition
Sodium
Term
What maintains body fluid volume and electrolyte concentration?
Definition
Sodium & Potassium
Term
What is need for connective tissue formation?
Definition
Sodium
Term
What is needed for nerve Impulse transmission?
Definition
Sodium & Potassium
Term
What aids in muscle contraction/relaxation?
Definition
Sodium & Potassium
Term
What is the positively charged ion inside the body?
Definition
Potassium
Term
What supports normal blood pressure?
Definition
Potassium
Term
Why are Potassium supplements dangerous?
Definition
Lethal to infants, Can cause heart to stop
Term
Potassium Deficiency
Definition
Muscle weakness, Mental confusion, Muscle paralysis
Term
What aids sodium in maintaining proper pH and osmotic equilibrium?
Definition
Chloride
Term
What is the essential formation of HCl in gastric digestive juices?
Definition
Chloride
Term
What is part of thyroxine?
Definition
Iodine
Term
What is thyroxine?
Definition
Hormone made by thyroid gland, responsible for regulating the basal metabolic rate
Term
Iodine Deficiencies
Definition
Goiter, Cretinism
Term
What is Cretinism?
Definition
Irreversible mental and physical retardation
Term
How is iron contained in the body?
Definition
Hemoglobin & Myoglobin, part of enzymes
Term
Iron Deficiency
Definition
Anemia, Apathy, Clumsiness, Lack of Appetite
Term
What is pica?
Definition
Curious appetite for non-food items such as ice, clay, paste, soil
Term
What forms does iron come in?
Definition
Heme (meat, poultry, fish) & Nonheme (plants)
Term
What works with protein in every organ?
Definition
Zinc
Term
What work with insulin to control blood glucose?
Definition
Chromium
Term
What cation is needed to form both hemoglobin and collagen?
Definition
Copper
Term
What activates an antioxidant enzyme?
Definition
Copper
Term
What is BMI?
Definition
Correlates significantly with body fatness
Term
What can visceral fat lead to?
Definition
Hypertension, Heart Disease, Stroke, Diabetes
Term
What are high in energy?
Definition
Fats
Term
What is derived from breaking bonds between elements in a compound?
Definition
Energy
Term
What is BMR?
Definition
Energy needed for metabolism
Term
What are catabolism reactions?
Definition
Breaking down macro-nutrients for energy
Term
What is anabolism?
Definition
Build up of molecules from from smaller units
Term
Healthy Ideal Body Fat
Definition
Men 12-20%
Women 20-30%
Term
What is Ghrelin?
Definition
Hormone produced by stomach and signals hypothalamus to stimulate eating
Term
What is leptin?
Definition
Hormone that decreases hunger and helps increase energy expenditure
Term
Body's Response to Fasting
Definition
Deamination of lean tissue for energy
Term
What are ketones?
Definition
Converted fats to help feed the nervous system and spare proteins
Term
What are Hyroxyapatite crystals are predominantly made up of?
Definition
Calcium & Phosphorus
Term
What is plasma?
Definition
Extracellular Fluid
Term
What are freely permeable to water and all solutes?
Definition
Cell Membranes
Term
What is daily energy expenditure?
Definition
Basal metabolic rate, thermal effect of food, and effect of physical activity
Term
What is the set-point theory?
Definition
All people have a genetic set ppint for their body weight
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