Term
What are the major roles of water in the body? |
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Definition
-makes up about 60% of your weight -carries nutrients throughout the body -participates in chemical reactions -regulates temp. -is a solvent (used to dissolve minerals, glucose, amino acids etc.) -is a lubricant and acts as a cushion for joints, digestive tract. -Protects sensitive tissue like spinal cord, eyes and fetus -acts as coolant (sweat) |
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Term
What factors influence the amount of water needed by the body |
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Definition
-Food-(alcohol, caffeine [diuretic], fiber, protein salt sugar medications) -air temp and humidity. -altitude -activity level -diseases (diabetes, kidney disease) -pregnancy/breast feeding -surgery, blood loss, burns -age (very young/old age) -sweating |
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Term
How much water do men need in a day? Women? |
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Definition
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Term
Fruits and veggies consist of up to ___% of water? Meat and cheeses consist of ___% of water |
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Definition
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Term
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Definition
Hard water has high concentrations of calcium and magnesium- levels a ring on the tub. Makes poor lather, and turns clothes grey. |
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Term
True or False- Hard water can lead to aggravation of high blood pressure |
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Definition
False. It leads to less aggravation of high blood pressure. |
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Term
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Definition
Has a high concentration of sodium. Makes more bubbles with less soap. aggravates hypertension. Also dissolves contaminant metals from pipes (lead) |
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Term
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Definition
When salts dissolve in water they separate into ions called electrolytes. |
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Term
What mineral do we typically get too much of? |
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Definition
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Term
What minerals are we typically lacking in? |
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Definition
Calcium and Magnesium (children and teens) Iron (women/childbearing years) |
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Term
What is the function of calcium? |
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Definition
Used in bone and tooth structure, nerve transmission, muscle contraction, blood pressure/clotting, and regulating transport of ions across cell membranes |
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Term
What is the function of Magnesium? |
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Definition
-It is a building protein, and uses energy -assists in the operation of 300+ enzymes -directly affects metabolism of potassium, calcium and vitamin d -critical to normal heart function - bone mineralization -immune function -nerve function -muscular function |
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Term
What is the function of Sodium? |
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Definition
-Attracts water (controls the fluid levels outside of cells -maintains acid base balance -needed in muscle contraction and nerve transmission |
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Term
What is the function of Potassium? |
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Definition
-maintains fluid and electrolyte balance -maintains cell integrity -maintains heart beat -is needed in nerve impulse transmission |
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Term
What is the function of Iodine? |
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Definition
-is part of the hormone thyroxine (made in the thyroid gland -this regulates the body metabolic rate, temperature, reproduction, growth, and heart functioning |
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Term
What is the function of iron? |
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Definition
-used in cells to carry oxygen to the body (hemoglobin) and to the muscles (myoglobin) -used as part of enzymes, energy metabolism, needed to make new cells, amino acids, hormones, and neurotransmitters. |
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Term
What is the function of zinc? |
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Definition
-makes part of the cells genetic material -protects cell structures against oxidation -makes heme in hemoglobin -assists pancreas with its digestive and insulin functions -helps metabolize carbohydrates, protein, fat liberates vitamin A from storage in the liver -here are some non major functions -affects behavior, learning and mood -assists in the proper immune functioning -essential to wound healing, sperm production, taste perception, normal metabolic rate, nerve and brain functioning, bone growth, normal development in children |
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Term
What is the function of Selenium? |
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Definition
-enzymes that contain selenium are essential to proper functioning of iodine containing thyroid hormones that regulate metabolism -helps prevent free radical formation and protects against oxidation |
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Term
What is the function of Fluoride? |
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Definition
-strengthens tooth enamel, especially during tooth formation -reduces acids that bacteria produce (suppresses their metabolism) -promotes remineralization |
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Term
What are the major food sources of calcium? |
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Definition
Milk, cheese, yogurt, ice cream, bok choy, broccolie, brussel sprouts, cauliflower, chinese cabbage kale, kohlrabi mustard greens, breads, cakes/cookies, crackers. |
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Term
How much milk do you need in a day |
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Definition
2 cups for young children, 3 cups normally |
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Term
What are good sources of Magnesium? |
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Definition
Spinach, bran cereal, oysters, yogurt, soymilk, black beans, water (depending on where you live) |
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Term
T or F- Magnesium is easily peeled and washed away during processing |
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Definition
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Term
What are good sources of sodium |
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Definition
Salt, processed foods, soy sauce, seasoning, fast food and condiments |
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Term
What are some good sources of potassium? |
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Definition
most fruits and veggies, bananas, spinach, cantaloupe, almonds, lima beans, avocado, honeydew melon, backed potato, salmon, orange juice (is inside all living cells) |
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Term
What is a good source of iodine? |
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Definition
Seafood, iodized salt, bakery products and milk |
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Term
What happens if you dont have a good source of iodine in your diet |
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Definition
Your thyroid enlarges trying to absorb as many particles of iodine as possible |
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Term
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Definition
It is caused by a lack of iodine in your diet as an infant, causes extreme physical and mental retardation |
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Term
What are good sources of Iron? |
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Definition
MPF factor (meat fish poultry) |
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Term
What does iron in your diet do? |
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Definition
Enhances absorption of non heme iron present in the same foods or in other foods eaten at the same time |
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Term
What types of things hinder iron absorption |
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Definition
tea, coffee, calcium and phosporus, phytates tanning beds and fiber. |
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Term
What are good sources of Zinc? |
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Definition
meats, shellfish, poultry, milk and milk products, some legumes and whole grains oysters, shrimp, enriched cereal, beef steak, yogurt, pork chop |
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Term
What are the symptoms of iodine deficiency |
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Definition
During pregnancy= cretinism (retardation); goiter |
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Term
What are the symptoms of iron deficiency |
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Definition
Fatigue, and chewing on ice (pica), Anemia, weakness, pale skin, mucous membranes ?, pale concave nails, headaches, inability to concentrate, impaired cognitive function, lowered cold tolerance. |
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Term
What are the symptoms of zinc deficiency? |
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Definition
Poor growth/maturation, loss of taste and poor wound healing |
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Term
What are the consequence of high calcium intake? |
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Definition
Constipation, interference with absorption of other minerals, kidney stones |
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Term
What are the consequences of high iron intake |
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Definition
Fatigue, Abdominal pain, infections, liver injury, oint pain, skin pigmentation, growth retardation in children, bloody stools, shock. -It increases oxidative stress on tissues and is hard to excrete. Also increases susceptibility to infections. |
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Term
What are the consequences of high intakes of sodium |
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Definition
Raised blood pressure and aggravated hypertension |
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Term
True or False- Fruits and veggies are less nutrient dense because soil becomes depleted |
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Definition
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Term
Vitamin content in fruits and veggies is determined by what? |
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Definition
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Term
What two minerals can vary in food due to soil content |
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Definition
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Term
What happens in other minerals that are needed for plant growth are low in the soil |
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Definition
Decreased production, not decreased nutrients |
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Term
Who are most likely to have calcium deficiencies |
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Definition
Youth, elderly, lactose-intolerant. |
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Term
Who is most likely to have magnesium deficiencies |
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Definition
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Term
Who is most likely to have iron deficiencies? |
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Definition
Women, especially in childbearing years |
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Term
What mineral is likely to be found in excess? |
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Definition
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Term
Why does osteoporosis increase with aging? |
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Definition
-Vit. D production decreases -Calcium absorption decreases -other hormonal changes-lack of estrogen |
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Term
What are the effects of osteoporosis |
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Definition
Hollow/porous bones, decreases in elderly height, rheumatoid arthritis |
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Term
What are likely to increase your risks for osteoporosis? |
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Definition
Age, alcoholism, steroid use, |
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Term
What can you do to avoid osteoporosis? |
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Definition
maximize Calcium deposits in "bank" as youth, for those who are elderly, medication can help restore bones, and weight bearing exercise helps. Also adequate Ca and Vit. D |
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Term
The trabecular bone is typified by what? |
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Definition
lacy interior, more Ca turnover, withdrawals start earlier. |
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Term
The cortical bone is typified by what? |
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Definition
sturdy exterior, withdrawals start later. |
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Term
What type of problems are associated with extreme body fatness? |
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Definition
Hernias, arthritis, flat feet, gallbladder disease, gout, high blood lipids, kidney stones, liver malfunction, respiratory problems, sleep disturbances, sleep apnea, cancers, varicose veins, diabetes. |
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Term
What are the risks associated with central obesity? |
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Definition
-Risk of death from all causes is higher -diabetes -heart disease -hypertension -gallbladder stones -stroke -some cancers |
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Term
What is metabolic fitness? |
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Definition
Its your normal levels of blood pressure, lipids, glucose and insulin levels. |
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Term
True or False 1/3 of metabolically healthy people were considered obese, and half were considered overweight |
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Definition
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Term
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Definition
It is inadequate for assessing chronic disease risk |
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Term
What is more important than your BMI |
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Definition
location of fatness (central obesity) |
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Term
T or F Overweight elderly are less prone to sickness than underweight elderly? |
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Definition
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Term
What can an unhealthy lifestyle lead too |
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Definition
hypertension, insulin resistance dyslipidemia, inflammation |
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Term
What are some problems associated with being overweight? |
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Definition
sleep disturbances, gallbladder disease, complication in pregnancy |
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Term
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Definition
-Gender -Age -Physical Activity -Body size and weight -Growth |
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Term
What is energy expenditure made up of |
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Definition
Basal metabolism, the body's voluntary activities and the thermic effect of food. |
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Term
What are some benefits of the BMI |
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Definition
-its easy to use, (Height vs. Weight) - you can do it yourself. -used as a proxy for tother health indicators for hte population |
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Term
What are some negative sides of BMI |
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Definition
-it is not very good proxy for individuals -it cant distinguish between muscle and fat -obesity is diagnosed using 3 factors (pg. 327 |
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Term
What are some other measures of body fatness |
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Definition
-Dexa scanner -Air displacement -anthropometry (skinfold test) These are limited in reliability -density (underwater weighing) -conductivity (bioelectrical impedance) -radiographic techniques |
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Term
What are the generic BMI qualifications (ie. underweight, healthy weight, overweight, and obese) |
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Definition
Underweight-<18.5 Healthy Weight-18.5-24.9 Overweight- 25-29.9 Obese->30 |
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Term
What are the generic waist measurements to assess chronic disease risks? |
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Definition
Male->40 (apple shaped) Female> 35 (pear shaped) |
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Term
A healthy man's body fat is? A healthy womans body fat is? |
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Definition
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Term
An obese mans (<40 waist) fat is An obese womans (<40 waist) fat is |
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Definition
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Term
What is the body fat of a obese man (>40 Waist) Obeses woman(>40 waist) |
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Definition
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Term
What is a psychological desire to eat called |
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Definition
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Term
What is the definition of Ghrelin |
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Definition
hormone that stimulates eating |
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Term
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Definition
the physiological need to eat |
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Term
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Definition
a hormone that supresses eating |
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Term
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Definition
the perception of fullness when eating |
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Term
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Definition
a perception of fullness that lingers. |
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Term
What are the external influences on eating |
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Definition
Sensory cues Food availability and pricing physical inactivity portions social factors |
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Term
When you over eat what happens to excess carbohydrates |
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Definition
Stored in liver or in muscles in the form of glycogen |
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Term
When you over eat what happens with excess fats |
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Definition
it is stored in adipose tissue |
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Term
When you over eat what happens with excess amino acids |
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Definition
They are converted to nitrogen and are lost in urine |
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Term
What happens when you are fasting? |
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Definition
Liver and muscle glycogen are broken down into glucose and are used. Body fats are liberated and are turned into amino acids and used |
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Term
What happens when you have long term food deprivation to body protein |
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Definition
Body protein is broken down to amino acids and then converted to glucose (gluconeogenesis) |
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Term
What happens when you have long term food deprivation to your body fat |
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Definition
Body fat is made into fatty acids- You need carbohydrates for this process or you get ketone bodies, body can use ketones , but they are acidic and change ph body fluids |
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Term
When you have rapid weight loss what happens? |
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Definition
-first couple of pounds is water and doesnt have any calorie value - the more you lose the harder it is to loose more. The body adapts to conditions |
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Term
When you have moderate/slow weight loss what happens |
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Definition
It is more likely to be fat than water weight, -weight plateaus after awhile due to bodies survival mechanisms |
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Term
What does it take to lose a pound |
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Definition
Adipose tissue =3500 kcals/lbs Fat storage (adipose + supporting lean tissues) 3300 kcals/lbs must have energy deficit of 2700-3500 kcal to lose a point per week |
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Term
Diets high in protein, and low car work _______ |
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Definition
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Term
Successful weight loss maintenance is |
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Definition
-.5 to 1 lbs/wk -regular foods, ABCMV (what's in the food guide) -includes favorites (in appropriate quantities) -promotes healthy relationship with food -does not lead to disordered eating |
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Term
What are things you can do to achieve a healthy weight instead of focusing on a particular weight loss goal |
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Definition
-focus on fitness not fatness -being fit is going to supply benefits regardless of the weight loss -health at every size |
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Term
What are some consequences of eating disorders |
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Definition
-physical (starvation, experiment, osteoporosis) -distorted body image -cant think clearly -feel unworthy -highest mortality rate -treatment can help, especially the earlier it is detected |
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Term
What are the characteristics of anorexia nervosa |
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Definition
-obsessed with food but low intake -distorted body image -fear of gaining weight -desire for perfection and control -constantly thinking of food and eating |
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Term
What are the consequences of anorexia nervosa |
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Definition
-delayed puberty, stunted growth -lack of menstruation -dehydration -osteoporosis -irregular heart/heart failure -premature death |
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Term
What are the characteristics of Bulimia Nervosa |
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Definition
-Binge purge cycle -often normal weight -fear of uncontrolled eating -recognition of abnormal behavior -guilt shame secrecy -depression/lack of control |
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Term
What are the consequences of bulimia nervosa |
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Definition
-binge purge as coping mechanism -irregular menstrual cycles |
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Term
What are the benefits and guidelines for regular physical activity |
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Definition
-reduces risk of chronic disease (30 min of moderate intensity to benefit) -helps manage body weight (60 min of moderate intensity for benefit) -sustain weight loss (60-90 min of moderate activity) |
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Term
What activity are considered moderate |
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Definition
-briskly walking 3.5 mi/hr -hiking -gardening/yard work -dancing -golf -bicycling >10 mi/hr |
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Term
What activities are considered intense |
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Definition
-running 5+ mi/hr -bicycling 10+mi/hr -swimming -aerobics |
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Term
What are the standards for a fitness program |
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Definition
-stretching/flexibility -aerobic conditioning -strength training |
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Term
What does ABCMV stand for |
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Definition
Adequacy, balance, calorie control, moderation, and variety |
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Term
What is the female athlete triad |
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Definition
Disordered Eating Amenorrhea- diminished hormones (loss of menstrual cycle) Osteoporosis- diminished bone density
(it is when body fat is less than 17% |
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Term
What are the consequences of eating disorders |
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Definition
-physical (starvation, osteoporosis) -distorted body image -cant think clearly -feel unworthy -highest mortality rate for mental illness |
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Term
What are the characteristics of Anorexia nervosa |
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Definition
-obsessed with food but low intake -distorted body image -fear of gaining weight - desire for perfection and control - constantly thinking of food and eating |
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Term
What are the consequences of anorexia |
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Definition
-delayed puberty, stunted growth - lack of menstruation -dehydration -osteoporosis -irregular heart/heart failure -premature death |
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Term
What are the characteristics of Bulimia Nervosa |
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Definition
-binge purge cycle -often normal weight -fear of uncontrolled eating -recognition of abnormal behavior -guilt, shame, secrecy -depression, lack of control |
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Term
Explain the benefits and guidelines of regular physical activity |
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Definition
-30 minutes of moderate intensity a day
-60 minutes of moderate intensity a day ---helps to manage body weight
-60-90 minutes ---sustains weight loss |
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Term
What activities would be considered moderate |
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Definition
briskly walking 3.5 mi/hr hiking gardening/yard work dancing golf bicycling <10 mi/hr |
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Term
What kind of activities are considered intense |
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Definition
running 5+ mi/hr bicycling 10+ mi/hr swimming aerobics |
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Term
the more intense the exercise the _____ glucose that is used. |
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Definition
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Term
The less intense the exercise the ____ fatty acids that are used. |
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Definition
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Term
What happens when you hit the wall |
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Definition
When muscles have run out of glucose |
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Term
Is it important for athletes to have a high protein diet? |
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Definition
No, not good evidence of needing more protein. It is need for muscle building, but extra protein is not needed, only the normal amount |
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Term
You should get _____ % of protein ______ % of carbs _______% of fats |
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Definition
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Term
What are some food intake recommendations for athletes? |
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Definition
-High carb diet if doing endurance activities -low in fat -low carb drinks during event (6-7%) - train your muscles to max glycogen stores |
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Term
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Definition
easy to digest high carb breads pastas potatoes light (300-800 cal) 3-4 hours before event lots of fluids |
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Term
What the deal with supplements |
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Definition
they arent cracked up to what they claim to be only useful to correct deficiency- well balanced diet does not need them |
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Term
You women are typically ____ deficient |
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Definition
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Term
_____ is needed to combat oxidative damage created during exercise |
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Definition
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Term
HOw much fluid should you have before an activity |
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Definition
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Term
before your activity how much water should you have |
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Definition
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Term
During your activity how much water should you have |
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Definition
every 15 minutes you should have 1/2 to 1 cup |
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Term
What is better water or sports drink? |
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Definition
Cool water cools faster, sports drink is good for high endurance activities |
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Term
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Definition
when there is not enough sodium in the body, and you drink to much water. This fails to replenish electrolytes, |
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