Shared Flashcard Set

Details

Nutrition Unit 1
study guide for first exam
73
Other
Undergraduate 3
09/06/2010

Additional Other Flashcards

 


 

Cards

Term
1.Discuss why the study of food and nutrition is important for the teacher and how parents’ and teachers’ attitudes and eating practices impact a child’s eating habits. (text and unit introduction)
Definition

 

-Parents turn to teachers when wondering which info is accurate

-Prepare you to help others understand nutrition

-insight for your daily food selection to have the energy to meet the demands of your profession.

-providing a good role model


 

Term

2.Define the terms “nutrient” and “essential nutrient”. (text and unit introduction)

Definition

 

Nutrients-- substances found in food that must be supplied to the body


Essential nutrients-- needed for optimal health


 

Term

7.List and describe the 6 classes of nutrients. (text and unit introduction)

Definition

 

Carbohydrates-supply energy and are the bodies main source of fuel and come in different sizes

Vitamins- Are not energy producing. Organic and contain carbon compounds; but because they usually are broken down to carbon dioxide and water, they provide no useful energy.

Protein-plays an important role in the growth, restoration, and maintenance of body tissues. Contains the main structural building blocks in the body

Minerals- an inorganic element containing no carbon that remains as ash when food is burned.

Fat- Provides energy or heat for the body

Water- one of the most essential nutrients. crucial for carrying nutrients to the cells in the body and for carrying wastes from the cells.

 

Term

8. Describe primary functions of carbohydrates. (text)

Definition

 

Supply energy and are the bodies main source of fuel and come in different sizes.  Converted to glucose in the digestive processes before being absorbed and used as a readily available supply of energy. Should make up 45%-65% of total daily calories.  Function primarily as a source of readily available energy, since only a relatively small amount can be stored in the liver and muscle tissues. Carbohydrates not used immediately for energy are stored temporarily as glycogen in the liver and muscles or converted into and stored as fat.  


 

Term

9. What should provide the majority of calories in the diet of the average, healthy adult -carbohydrates, fat or protein? (text)

Definition

Carbohydrates (45%-65%)

Term

10. Describe the types of carbohydrate found in foods and the body (starches, sugars, fiber, glycogen). (text)

Definition

 

Starches-- More complex forms of carbohydrates, contain many units of sugar and are called polysaccharides.  Found most frequently in grains, legumes, fruits, and vegetables.  Breads and cereals, fruits and vegetables, dairy products, and legumes contain complex carbohydrates.

Sugars--glucose, galactose, and fructose are called monosaccharides because they only contain one single unit.  Disaccharides, such as sucrose, lactose, and maltose contain 2 saccharine, or two simple sugars linked together. Make up about half of the total digestible carbohydrate intake. Found in fruits and milk.  Carbohydrate most frequently seen on the table.

Fiber-- considered an indigestible carbohydrate. Either soluble or insoluble. 


 

Term

12.What is the recommended amount of fiber for an adult? For a child? Do most people in the US meet their fiber needs?(text; also see Appendix III)

Definition

Approximately 25 to 38 grams of fiber per day is recommended for adult women and men respectively.  The average intake in the US is closer to 16g a day. For children, 19-25g per day is recommended. Most of us eat only about ½ of the amount of fiber recommended each day.

Term
13. Identify the 2 types of fiber and describe their general role in health.  Be able to give examples of sources of each type and ways to increase dietary fiber intake. (text and introduction)
Definition

 

Soluble fiber- (fruits, vegetables, oats) acts like a gel. Provides bulk to the stools and may affect the development of certain diseases.

Insoluble fiber- (bran)adds bulk to or softens stool. Helps move material through the intestinal tract through a process called peristalsis.

 

Term
14.  Describe the relationship between sugar and disease. (i.e. Does sugar cause hyperactivity? tooth decay? obesity?)
Definition
There is no evidence that table sugar intake causes hyperactivity in children, obesity, or diabetes. Consumption of sugar containing beverages and foods can lead to weight gain, obesity, and diabetes if the amount of energy consumed is greater than the needs of the body.  Consuming sucrose and high fructose corn syrup can contribute to tooth decay, so it is important to limit intake of sticky carbohydrate foods that feed bacteria in the mouth.
Term
15. Describe what is meant by the term “nutrient density” and how it applies to making wise dietary choices.(text)
Definition
Foods that contain a relatively high amount of nutrients compared to their calorie content.
Term
16. Describe primary functions and sources of protein. (text)
Definition

 

Protein plays an important role in the growth, restoration, and maintenance of body tissues.  Protein contains the main structural building blocks in the body. Proteins found  in many plant foods lack one or more of the essential amino acids, and different plants and legumes have different amounts of amino acids.  Good sources of complete protein include meat, eggs, milk, and soy. 


 

Term
17. What are proteins made of? (What are the basic building blocks of protein?) (text)
Definition
Proteins are made up of different chemical structures known as amino acids.
Term
18. Describe what is meant by the term "complete" protein and be able to identify good sources of complete proteins. 
Definition
Complete proteins are foods that do not have to be combined with other foods in order to provide all the amino acids required.  Good sources of complete protein include meats, eggs, milk, and soy.
Term
19. Describe primary functions of fat in the body and in foods. (text)
Definition

 

Fats function to provide energy, or heat for the body. Certain vitamins (A,D,E,K) are soluble only in fatty substances.  Before they can be absorbed from the intestinal tract, these vitamins must be incorporated into a tiny droplet containing fat.


 

Term
20. Describe the difference between saturated, monounsaturated and polyunsaturated fats.  Give examples of each and describe how each affects health. (text)
Definition

 

Saturated Fatty Acids- Have a maximum number of hydrogen atoms attached to every carbon atom.  Therefore we say that these fatty acids are “saturated” with hydrogen atoms.  They are usually solid at room temperature and when refrigerated. Meats, butterfat, and shortening.  Increased intake of saturated fatty acids and dietary cholesterol tends to increase total cholesterol and therefore increase the risk of cardiovascular disease.

Monosaturated Fatty Acids- Have one unsaturation where two hydrogen atoms are missing in the middle of the molecule, one from each of the two adjoining carbon atoms.  Olive oil, peanut oil, and canola oil are good sources.

Polyunsaturated Fatty Acids(PUFA)- have more than one unsaturation.  These fatty acids are found in the oils of vegetable and cereal products such as soybeans, canola, corn, cottonseed, and safflower.  Seafood is an especially rich source.

Oils can contain some proportion of all three fatty acids

 

Term
21.What are trans fatty acids and what is their relationship to health?  What types of foods are high in trans fatty acids? (text)
Definition
Trans fatty acids- unsaturated fatty acids formed when vegetable oils are processed and made more solid or into a more stable liquid.  Present in most foods made with partially hydrogenated oils, such as baked goods and fried foods, and some margarine products. Also occur naturally in low amounts in meats and dairy products.  Scientific reports have confirmed the relationship between trans fat and an increased risk or coronary heart disease. 
Term
22.Describe what hydrogenation is and its relationship to health. (text)
Definition
Hydrogenation-  When manufacturers add hydrogen to oils to make them solid. This is the process that creates trans fats.
Term
3.Which is considered to be the most “vital” nutrient?  Name the 3 energy-yielding nutrients.    (text and unit introduction)
Definition
The most vital nutrient is water and we can live only a short time without it.  The energy-yielding nutrients are carbohydrate, lipid, and protein.
Term
4.When we say that a nutrient provides “energy”, what does this mean? (text and unit introduction)
Definition
When we use the term “energy” we are referring to calories
Term
5.Describe the basic characteristics of a healthy diet. (unit introduction)
Definition

Adequacy (getting enough essential nutrients, fiber, and energy)

Balance (eating foods from all of the different food groups)

Calorie Control, moderation (not eating too much of any certain food)

Variety (Eating different things from within each food group)

Term
6.List and describe factors that influence our food choices. (text and unit introduction)
Definition
We tend to develop “food habits”. We may lack knowledge to plan a balanced diet. Our lifestyle may make it seem like we are too busy to eat a balanced diet.  Many people believe it costs too much to buy nutritious foods. 
Term
11.Give examples of “simple” and “complex” carbohydrates and foods they are found in. (text and unit introduction; video)
Definition
Foods high in complex CHOs generally contain more nutrients than simple sugars do and it is recommended that we decrease our intake of simple sugars and increase our consumption of complex CHOs.
Term
23.Describe what cholesterol, HDL and LDL are and how each impacts health. (text)
Definition

 Cholesterol- a special lipid.  It does not contribute energy or calories and unlike fat is not measured in calories.  Most is made in the liver, and the cholesterol eaten is absorbed and carried to the liver. Helps carry fat through the blood vessels to various parts of the body where it is needed for energy.  High blood cholesterol levels are one of the risk factors of heart disease and can lead to stroke or heart attack.

HDL- High-density lipoproteins. Good cholesterol, finds and rescues the LDL and takes it back to the liver

LDL- Low-density lipoproteins. Bad cholesterol, tends to build up plaque in the blood vessels as it travels back to the liver.

Term
24.Give suggestions for ways to lower LDL levels and increase HDL levels. (text)
Definition

To maintain or increase HDL blood levels- not smoking, good weight control for height, exercise, and consuming a low fat diet that does not contain more than 300mg of cholesterol per day. 

To lower LDL levels- reduce saturated fat intake, increase the intake of fruit and vegetables and low fat breads and cereals and substituting for foods that are rich in fat, including animal fat(less meat, butter, milk, and cheese).  Replace saturated fats with foods that contain high levels of poly and menstruated fats like canola oil, olive oil, or a canola vegetable oil blend.  Increasing soluble fiber will also reduce high LDL levels.

Term
25.Be able to identify foods that would be naturally high in cholesterol. (text and unit introduction)
Definition

Foods that are high in dietary cholesterol are found only in animal products such as meat, eggs yolks, organ meats, whole milk, and high-fat milk products. 

It is made primarily by the liver, therefore, it is found naturally only in products that have a liver. Beef, poultry, fish, and shrimp.

Term
26.Give recommendations on the amount of fat an adult should have in the daily diet.  Does this same recommendation apply to infants/young children?  Describe why/why not. (text and unit introduction)
Definition
Children under the age of 2 need proportionately more fat in the diet (approximately 40%-50% of calories) for proper growth, particularly brain and central nervous system development, and it is important that fat not be restricted in their diets.  Because saturated fat and cholesterol provide no known beneficial role in preventing chronic diseases they are not required at any level in the diet. Lipids have many important functions in the body and in foods and we need some fat in our diet for good health.
Term
27.What are antioxidants and what is their relationship to health? Name the major antioxidants.
Definition
Vitamins C and E, as well as beta-carotene, are often described as antioxidants, decreasing the risk associated with heart disease.  There is still a debate over the protection against heart disease and cancer given by these vitamins.  Many “antioxidant” products are marketed with claims that they can help prevent heart disease, cancer, and various other conditions associated with aging without sound medical research. 
Term
28.Identify which vitamins are water-soluble and which are fat-soluble and the difference between the two classes. (HINT:  It is easiest to remember the 4 fat-soluble vitamins. The rest are water-soluble.) (text) 
Definition

Fat-Soluble Vitamins- Vitamins A,D,E, and K

Water-soluble Vitamins- Vitamins C,B1,B2,B6,B12, Niacin, Folate, Biotin, Panthenic Acid


Term
29.Identify the major functions of vitamins A, D, E, K, C, folate, and B1(Thiamin), B2(Riboflavin), B3(Niacin) and B6(pyridoxine) (i.e. Major functions of Vitamin A: aids normal bone/teeth formation, healthy skin and tissues, vision, acts as an antioxidant as beta-carotene. FYI - The key function to remember for B1, B2, B3 and B6 is  "energy metabolism".) (text)
Definition

Vitamin A- promotes normal growth of bones, growth and repair of body tissues; bone and tooth formation; vision; antioxidant in the form of beta-carotene

Vitamin D- Regulates absorption and use of calcium and phosphorus; aids in building and maintaining bones and teeth.

Vitamin E- Protects red blood cells; antioxidant(protects fat-soluble vitamins); stabilizes cell membranes.

Vitamin K- Required for synthesis of blood-clotting proteins.

Vitamin C- Plays an important role in collagen formation (helps heal wounds, maintains bones and teeth, strengthens blood vessels); antioxidant; strengthens resistance to infection and helps body absorb iron. 

Folate- Required for red blood cell formation, new cell division, protein metabolism. 

Vitamin B1- Helps enzymes release energy from carbohydrates.

Vitamin B2- Helps enzymes release energy from carbohydrates, proteins and fat; promotes healthy skin and good vision.

Vitamin B6- Required for amino acid metabolism; used in protein and fat metabolism; aids in forming red blood cells and antibodies.

Vitamin B3(Niacin)- Helps enzymes release energy from carbohydrates, protein, and fat; Promotes healthy skin, nerves, and digestive system. 


Term
30.Identify major sources of the following vitamins: Vitamin A, D, E, K, folate, B12(cobalamin) and C.   (When asking about food sources of vitamins and minerals, I will provide several foods in a group to choose from.  i.e. Which of the following would provide the best source of Vitamin A? a. milk, cantaloupe, sweet potatoes, spinach   b. vegetable oil, nuts and seeds  c. beef, chicken, turkey   d.  shellfish, fish.  The answer would be (a).  Or, I may ask something similar to , which of the following groups would not be a significant source of Vitamin A?)(text)
Definition

Vitamin A- Milk, butter, dairy products, dark green vegetables, yellow-orange fruits and vegetables

Vitamin D- Direct exposure of the skin to sunlight, fortified milk, margarine, eggs, liver, fish

Vitamin E- Vegetable oils, dark leafy green vegetables, nuts, legumes, egg yolks, salad dressings, mayonnaise, wheat germ, whole grains

Vitamin K- Bacterial synthesis in digestive tract, dark green leafy vegetables, liver, milk, grain products, egg yolk

Vitamin C- Citrus fruits and juices, tomatoes, potatoes, dark green vegetables, peppers, lettuce, cantaloupe, strawberries, mangoes, papayas, cauliflower

Vitamin B1-Meat, pork, liver, fish, poultry, whole grain and enriched breads, cereals, legumes, nuts, green leafy vegetables

Vitamin B2- Milk, cheese, yogurt, enriched breads and cereals, green leafy vegetables, fish, liver, lean meats, yeast

Vitamin B3(Niacin)- Yeast, whole grains and enriched breads and cereals, milk, meats, nuts, legumes, peanuts

Vitamin B6- Dark green leafy vegetables, whole grain products, meats, liver, poultry, fish, shellfish, soybeans, wheat germs, fruits

Term
31.What is beta-carotene and what foods contain beta-carotene?(text)
Definition
Beta Carotene- often referred to as a “precursor” of vitamin A; these precursors are converted in the body to make vitamin A. The use of foods such as dark green, yellow, and orange vegetables-greens, broccoli, and carrots- may play a role in decreasing the incidence of certain cancers.  More research into the cancer-fighting mechanisms is needed.
Term
32.What are neural tube defects and what role does nutrition play in their prevention?(text)
Definition
A birth defect occurring in the brain or spinal cord (backbone). The most common of all serious birth defects. The neural tube is the part of the fetus that becomes the spinal cord and brain.  Folate deficiency in pregnant women can cause neural tube defects in the fetus.  These defects include spina bifida and anencephaly.
Term
33.What is the difference between a major (macro) and trace (micro) mineral? Are major minerals more important to the body than trace minerals?  (text)
Definition
Macrominerals are required in relatively large amounts, whereas trace elements, or microminerals, are needed in very small amounts.  
Term
34. be able to identify whether each of the following is a trace (micro) or major (macro) mineral:  iron, zinc, calcium. (text)
Definition

Macrominerals- calcium

Microminerals- iron, zinc

Term
35.Identify the major functions and sources of the following minerals: Sodium, potassium, calcium, iron, zinc, fluoride, and phosphorus. (text)
Definition

Calcium functions- strengthens bones and teeth; involved in muscle contraction and relaxation, blood clotting, water balance, nerve function.

Calcium Sources- Milk and milk products, green leafy vegetables, legumes, fortified foods, almonds, fish(with bones), tofu

Phosphorus functions- involved in calcification of teeth and bones, acid-base balance, energy metabolism. 

Phosphorus Sources- Meat, poultry, fish, milk, soft drinks, processed foods, whole grains, eggs

Sodium Functions- promotes acid-base balance, water balance, nerve impulse transmission, muscle activity.

Sodium Sources- canned, pickled, and many prepackaged foods.

Potassium functions- facilitates many reactions, especially protein synthesis, water balance, nerve transmission, muscle contraction

Potassium sources- meats, milk, fruits, vegetables, grains, legumes

Iron functions- Hemoglobin formation, part of myoglobin in muscles; used in energy utilization

Iron sources- Red meats, fish, poultry, shellfish, eggs, legumes, dried fruits, fortified cereals and grains.

Zinc functions- Part of insulin and enzymes; vitamin A transport; wound healing; fetus and sperm development; immunity; promotes enzyme activity and metabolism

Zinc sources- protein-containing foods: red meat, seafood, oysters, clams, poultry, eggs, dairy, grains

Fluoride functions- formation of bones and teeth; provides resistance to dental caries

Fluoride sources- Drinking water(naturally occurring or fluoridated), tea, seafood. 

Term
36. Describe the 2 forms of iron and sources of each. (text)
Definition

 

Heme Iron- iron from meats, fish, and poultry

Nonheme iron- iron from plants such as vegetables, legumes, and grains.

When there is a physiological need for iron and when iron is presented in a form called “heme” iron it is absorbed more readily.

 

Term
37.Is milk a good source of iron?  (text and unit introduction)
Definition

Milk is a poor source of iron.  While milk is a good source of protein, calcium, phosphorus, and other nutrients, it is very low in iron. 


Term
40. Describe water’s role in nutrition and health and give guidelines for meeting fluid needs. (text)
Definition
Water is one of the most essential nutrients. It is a required part of our diet and without it the body would not be able to survive more than 6 days. Water is crucial for carrying nutrients to the cells in the body and for carrying wastes from the cells. It helps in regulating body temperature and keeps our bodies working more efficiently. It is the body’s cooling system; when the body temperature goes up, water is released on the skin as perspiration. Water is also the main part of our blood and tissues. Adults lose about 48 ounces of fluid per day, at least this much should be replaced from food and beverages each day. A greater quantity of liquids should be taken frequently in warm weather or during strenuous exercise. 
Term
41. Who requires the greatest amount of water per pound of body weight –infants, young children, adolescents, adults or the elderly? Describe why this puts this group at greater risk for dehydration.  (text and unit introduction)
Definition

 Infants have the highest proportion of body water at nearly 75%.  This puts them at a high risk for dehydration.


Term
42. Is thirst a reliable indicator for guiding fluid intake for children and the elderly?  Why or why not? (unit introduction)
Definition
 No, by the time we feel thirsty we are usually already mildly dehydrated.
Term
43.Describe potential benefits and drawbacks of vitamin/mineral supplement use. (text)
Definition

 Benefits of popping pills are largely unproven.  Nutrients function together; therefore, an excess intake of one may create a greater need for others.  In addition, the use of pills is inappropriate modeling behavior for persons involved with young children.  Unless a specific deficiency has been diagnosed in laboratory and clinical tests, the habitual intake of large doses of vitamins and minerals should be discouraged.


Term
44.Describe what phytochemicals are and their relationship to health. (text)
Definition
Photochemicals are plant chemicals.  They are not required in the diet but they have certain properties that may reduce the risks associated with heart disease, cancer, osteoporosis, and other chronic diseases in people who consume them regularly.
Term
5.Describe the general “Healthy Eating Recommendations” given for encouraging healthy diets among children. (text)
Definition

Portion sizes- keep portions in line with recommended amount. Most restaurants serve portions that are too large.

Be patient- young children may not be interested in trying new foods. Offer a new food more than once.  The food may be accepted when it becomes more familiar with your child

Be a planner- most young children need a snack or two in addition to 3 regular daily meals.

Be a good role model- children learn from you about how and what to eat

Be adventurous- coordinate with food service staff and young children to choose a new vegetable or fruit, from two or three choices, for a weekly “try a new food day”

Be creative-encourage your child to invent a new snack or sandwich from three or four healthful ingredients you provide.  

Term
6.Describe general information contained on food labels and how food labels can be used to make wise food choices.  (text; Appendix II; you do NOT need to know the health claims for diet/disease relationships or nutrient content descriptors - i.e. "low fat", "free" on page 55; video)
Definition

Daily reference values appear on food labels and are for nutrients and are based on the number of calories consumed per day. A daily intake of 2000 calories has been established as the reference. They include: fat, saturated fat, carbohydrates, protein, fiber, cholesterol, and sodium. 


Term
7.Are dietary supplements regulated like foods and drugs are? Describe. (text)
Definition
Dietary supplements may carry claims in their labeling that describe the effect of a substance in maintaining the body’s normal structure or function, as long as the claims don’t imply the product treats or cures a disease.  The FDA does not review or authorize these claims.
Term
8.Describe what Dietary Reference Intakes are and how they are used in planning healthy diets.  Be able to name and identify the four sets of standards of the DRIs (i.e. "Estimated Average Requirements). (text; also Appendix III)
Definition

Dietary Reference Intakes(DRI) is a generic term that includes tools or standards used to evaluate nutrients in the diet, especially for groups such as child-care centers, group homes, or schools. Nutrient standards:

EAR- estimated average requirement is the intake value that meets the estimated nutrient needs of 50% of individuals in a specific life-stage and gender group

RDA- Recommended dietary allowances is the nutrient intake that meets the nutrient needs of almost all (97-98%) individuals.

AI- Adequate intake is used to evaluate nutrient intake when there is insufficient scientific evidence to establish an EAR

UL- Tolerable upper intake level is the maximum level of daily nutrient intake that is unlikely to pose health risks to almost all of the individuals in the group for whom it is designed. 

Term
carbohydrates
Definition

supply energy and are the bodies main source of fuel and come in different sizes

Term
Vitamins
Definition

Are not energy producing. Organic and contain carbon compounds; but because they usually are broken down to carbon dioxide and water, they provide no useful energy.

Term
protein
Definition
plays an important role in the growth, restoration, and maintenance of body tissues. Contains the main structural building blocks in the body
Term
Minerals
Definition

an inorganic element containing no carbon that remains as ash when food is burned.

Term
fat
Definition
Provides energy or heat for the body
Term
water
Definition

one of the most essential nutrients. crucial for carrying nutrients to the cells in the body and for carrying wastes from the cells.

Term
Vitamin A functions and sources
Definition

functions: promotes normal growth of bones, growth and repair of body tissues; bone and tooth formation; vision; antioxidant in the form of beta-carotene

 

Sources:Milk, butter, dairy products, dark green vegetables, yellow-orange fruits and vegetables

Term
Vitamin D Functions and Sources
Definition

Functions:Regulates absorption and use of calcium and phosphorus; aids in building and maintaining bones and teeth.

 

Sources:Direct exposure of the skin to sunlight, fortified milk, margarine, eggs, liver, fish

Term
Vitamin E functions and Sources
Definition

functions: Protects red blood cells; antioxidant(protects fat-soluble vitamins); stabilizes cell membranes.

 

Sources: Vegetable oils, dark leafy green vegetables, nuts, legumes, egg yolks, salad dressings, mayonnaise, wheat germ, whole grains

Term
Vitamin K Functions and sources
Definition

Functions: Required for synthesis of blood-clotting proteins.

 

Sources: Bacterial synthesis in digestive tract, dark green leafy vegetables, liver, milk, grain products, egg yolk

Term
Vitamin C functions and Sources
Definition

Functions:Plays an important role in collagen formation (helps heal wounds, maintains bones and teeth, strengthens blood vessels); antioxidant; strengthens resistance to infection and helps body absorb iron

 

Sources: Citrus fruits and juices, tomatoes, potatoes, dark green vegetables, peppers, lettuce, cantaloupe, strawberries, mangoes, papayas, cauliflower

Term
Folate functions and sources
Definition

functions:Required for red blood cell formation, new cell division, protein metabolism

 

Sources:

Term
Vitamin B1 Functions and sources
Definition

Functions: Helps enzymes release energy from carbohydrates.

 

Sources: Meat, pork, liver, fish, poultry, whole grain and enriched breads, cereals, legumes, nuts, green leafy vegetables

Term
Vitamin B2 Functions and Sources
Definition

Functions: Helps enzymes release energy from carbohydrates, proteins and fat; promotes healthy skin and good vision.

 

Sources: Milk, cheese, yogurt, enriched breads and cereals, green leafy vegetables, fish, liver, lean meats, yeast

Term
Vitamin B3(Niacin) functions and sources
Definition

Functions:Helps enzymes release energy from carbohydrates, protein, and fat; Promotes healthy skin, nerves, and digestive system.

 

Sources: Yeast, whole grains and enriched breads and cereals, milk, meats, nuts, legumes, peanuts

Term
Vitamin B6 Functions and sources
Definition

Functions:Required for amino acid metabolism; used in protein and fat metabolism; aids in forming red blood cells and antibodies

 

Sources:Dark green leafy vegetables, whole grain products, meats, liver, poultry, fish, shellfish, soybeans, wheat germs, fruits

Term
Calcium functions and Sources
Definition

Calcium functions- strengthens bones and teeth; involved in muscle contraction and relaxation, blood clotting, water balance, nerve function.

Calcium Sources- Milk and milk products, green leafy vegetables, legumes, fortified foods, almonds, fish(with bones), tofu

Term
phosphorus functions and sources
Definition

Phosphorus functions- involved in calcification of teeth and bones, acid-base balance, energy metabolism.

Phosphorus Sources- Meat, poultry, fish, milk, soft drinks, processed foods, whole grains, eggs

Term
Sodium Functions and sources
Definition

Sodium Functions- promotes acid-base balance, water balance, nerve impulse transmission, muscle activity.

Sodium Sources- canned, pickled, and many prepackaged foods.

Term
Potassium Functions and Sources
Definition

Potassium functions- facilitates many reactions, especially protein synthesis, water balance, nerve transmission, muscle contraction

Potassium sources- meats, milk, fruits, vegetables, grains, legumes

Term
Iron Functions and Sources
Definition

Iron functions- Hemoglobin formation, part of myoglobin in muscles; used in energy utilization

Iron sources- Red meats, fish, poultry, shellfish, eggs, legumes, dried fruits, fortified cereals and grains.

Term
Zinc Functions and Sources
Definition

Zinc functions- Part of insulin and enzymes; vitamin A transport; wound healing; fetus and sperm development; immunity; promotes enzyme activity and metabolism

Zinc sources- protein-containing foods: red meat, seafood, oysters, clams, poultry, eggs, dairy, grains

Term
Fluoride Functions and Sources
Definition

Fluoride functions- formation of bones and teeth; provides resistance to dental caries

Fluoride sources- Drinking water(naturally occurring or fluoridated), tea, seafood.

Term
EAR
Definition

estimated average requirement is the intake value that meets the estimated nutrient needs of 50% of individuals in a specific life-stage and gender group

Term
RDA
Definition
Recommended dietary allowances is the nutrient intake that meets the nutrient needs of almost all (97-98%) individuals.
Term
AI
Definition
Adequate intake is used to evaluate nutrient intake when there is insufficient scientific evidence to establish an EAR
Term
UL
Definition

Tolerable upper intake level is the maximum level of daily nutrient intake that is unlikely to pose health risks to almost all of the individuals in the group for whom it is designed.

Supporting users have an ad free experience!