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Exam 2
Vitamins, Minerals, Water, Alcohol, Weight Management
49
Nutrition
Undergraduate 1
10/16/2013

Additional Nutrition Flashcards

 


 

Cards

Term
Fat Soluble Vitamins
Definition
A, D, E, K
More likely to be toxic than water soluble vitamins.
Term
Antioxidants
Definition
A, C, E, beta-carotene
Term
Free Radicals
Definition
Unstable oxygen containing molecules that can damage the cells in the body and contribute to chronic diseases.
Term
Vitamin A Deficiency
Definition
Night blindness and xerophthalmia.
Term
Vitamin E
Definition
Antioxidant, protects cell membranes.
Term
Vitamin K
Definition
Essential for blood clotting.
Term
Vitamin D
Definition
Melanin & sunscreen reduce production, regulates calcium and phosphorus in bones.
Term
Vitamin D Deficiency
Definition
Rickets, osteomalacia, osteoporosis.
Term
B Vitamins
Definition
Coenzymes, help produce and facilitate chemical reactions.
Term
Thiamin (B1)
Definition
Deficiency of this leads to Beriberi, or a loss of appetite and weight.
Term
Niecin (B3)
Definition
Deficiency of this leads to pellagra, or dermatitis, diarrhea, dementia, and death.
Term
Folate
Definition
Deficiency of this leads to neural tube birth defects.
Term
B12
Definition
This requires intrinsic factor, protein made in the stomach, in order to be absorbed. This absorption decreases with age.
Term
Vitamin C
Definition
Also known as ascorbic acid, this prevents scurvy and is needed to make collagen. It is also an antioxidant.
Term
Who may benefit from a vitamin supplement?
Definition
Pregnant or lactation women, old people, vegetarians, people with food allergies, medical conditions, or low calorie diets.
Term
Water
Definition
The most abundant substance in the body.
Term
Intracellular Fluid
Definition
Fluid inside the cells.
Term
Extracellular Fluid
Definition
Fluid between cells and in blood.
Term
Electrolytes
Definition
Minerals that help maintain fluid balance.
Term
Water's Functions
Definition
Universal solvent, helps with chemical reactions, helps transport oxygen, nutrients, and hormones to cells, helps maintain body temp, lubricant, protective cushion.
Term
Hyponatremia
Definition
Too much water in body.
Term
Sodium
Definition
Most of this in our diets comes from processed foods.
Term
Potassium
Definition
This mineral comes from fruits and vegetables.
Term
Calcium
Definition
This mineral is the most abundant in our bodies.
Term
Iron
Definition
A deficiency of this mineral is the most common nutritional disorder.
Term
Heme Iron
Definition
Iron that comes from animal sources.
Term
Nonheme Iron
Definition
Iron that comes from plant sources, Vitamin C increases the absorption of this.
Term
Selenium
Definition
This mineral is part of selenoprotiens, it is an antioxidant, and the amount in our food varies based upon soil contents in our area.
Term
Keshan Disease
Definition
A deficiency of selenium common in ares with selenium poor soils.
Term
Flouride
Definition
Adding this mineral to drinking water has cut down dental caries.
Term
Chromium
Definition
This mineral increases the effectiveness of insulin in cells.
Term
Iodine
Definition
A deficiency of this causes Goiter, or an enlarged thyroid gland.
Term
Moderate Alcohol Consumption
Definition
1 drink for adult women and 2 for adult men.
Term
Standard Drink
Definition
12oz Beer
5oz Wine
1.5oz Liquor
Term
Alcohol's effects
Definition
Increase HDL cholesterol, interferes with insulin and glucagon, higher risk of osteoporosis, higher estrogen levels in women, sexual dysfunction, disrupt sleep, dehydration, electrolyte imbalance.
Term
7 calories per gram
Definition
How many calories are in a gram of alcohol?
Term
None
Definition
How much alcohol has been proven safe for a pregnant woman to drink?
Term
BMI
Definition
Weight to height ratio.
Term
Overweight
Definition
BMI greater than 25
Term
Obese
Definition
BMI greater than 30
Term
Ways to measure body fat
Definition
Skin fold thickness, bioelectrical impedance, dual-energy x-ray absorptiometry, underwater weighing, air displacement.
Term
Positive
Definition
This energy balance leads to fat storage and weight gain.
Term
Negative
Definition
This energy balance leads to weight loss.
Term
Energy composition
Definition
Basal Metabolism (BMR)= 50-70%
Thermic Effect (TEF)= 10%
Physical Activities= 20-35%
Term
BMR (basal metabolic rate)
Definition
Minimum energy needed to meet basic physiological needs.
Term
TEF (thermic effect of food)
Definition
Amount of calories expended to digest, absorb, and process food. About 10% of calories from food eaten.
Term
Energy imbalance
Definition
This leads to liver glycogen depletion as well as rapid weight loss in low carb diets.
Term
Weight loss
Definition
This requires change in diet, physical activity, and behavior.
Term
Ways to have a healthy diet
Definition
More high volume foods, more watery fruits and veggies, more foods with high fiber, more low energy density foods.
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