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Nutrition Exam 1
Study Guide Exam 1
61
Other
Undergraduate 3
02/05/2013

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Cards

Term
Reasons why we choose the foods we do?
Definition

Sensory- taste, texture, smell

Cognitive- habits, comfort foods, cravings, ads, social norms

Environmental- economic, lifestyle, culture, religion, politics

Term
5 tastes we percieve
Definition

Sweet

Sour

Salty

Bitter

Umami (savory taste from the amino acid Glutamate)

Term
How do physiological changes (related to aging/disease) affect our food choices?
Definition

Diminished taste sensitvity

Teeth and gum deterioration

Term
3 main functions of nutrients in the body
Definition

Regulation

Energy

Structure 

 

Support growth

Maintenance

Repair of body tissues

Term
What is an essential nutrient?
Definition
A food that must be consumed from the diet because the body cannot manufacture it or cannot be made at in sufficient quantities.
Term
6 classes of nutrients
Definition

Lipids

Minerals

Water

Protein

Vitimans

Carbohydrates

Term
What are Macronutrients?
Definition

Water

Protein

Fat 

Carbohydrates

Term

What are Micronutrients?

 

Definition

Vitimins

Minerals

Term
What nutrients are Organic?
Definition

Proteins

Vitimins

Carbohydrates

Fat

Term
What nutrients are Inorganic?
Definition

Water

Minerals

Term
Define Phytochemical
Definition

Substance found in a plant (phyto means plant) foods that is not an essential nutrient but may have health promoting properties.

Ex Broccoli

Term
What function do carbohydrates primarily perform?
Definition
Provides energy
Term
Which functions do lipids primarily perform?
Definition
Provides energy, form structures, regulate body processes
Term

Which functions do proteins primarily perform?

What is it made up of?

Definition

Provide energy, form structures, regulate body processes

Amino acids

Term
The sum of all the chemical reactions that take place in a living organism
Definition
Metabolism
Term
A physiological state in which a stable internal body environmental is maintained
Definition
Homeostasis
Term
Foods high in Carbohydrates
Definition

Sugars, starches, fiber

Whole grains, broccoli, potatoes, rice, pasta, bread

Term
Foods high in Lipids
Definition
Vegetable oils, avocado, cream, butter, whole milk, meat
Term
Foods high in Proteins
Definition
Nuts, beans, meat, fish, eggs
Term
Lipid group includes which 3 types of compounds
Definition

Triglycerides

Phospholipids

Sterols

Term
What are the smaller units made up of proteins?
Definition
Amino Acids
Term
List fat-soluable vitamins
Definition
D, E, A, K
Term
List water soluble vitamins
Definition
B, C
Term
What are the main functions of vitamins
Definition
Regulate body processes
Term
What is the main functions of minerals?
Definition
Form structures, regulate body processes
Term
What is the main function of water?
Definition
Regulate body temperature
Term

Name Kcals per gram in:

Lipids

Proteins

Carbohydrates

Alcohol 

Definition

9

4

4

7

 

Term
Obesity increases the risk to what diseases?
Definition

Type II diabetes

Cardiovascular diseases

Cancer

Gallbladder disease

Term
First leading cause of disease/death, lifestyle related
Definition
Smoking
Term
What are good sources of nutrition information?
Definition

Registered Dieticians

American Dietetic Association

American Medical Association

Term
What should we watch out for when trying to gather reliable nutritional information?
Definition

Does it make sense? Are the claims outrageous?

Are you required to purchase something?

Scientific credentials of author

Whats the source?

Sampling size

Term

2000Kcal diet

__ cups of fruit

__ cups of veggies

Definition

2

2.5

Term

2000Kcal Diet 

__ or more whole grains equivalents

__ cups of low fat or fat free dairy

Definition

3

3

 

Term

2000 Kcal Diet

Less than __% of calories from sat. fat

Definition
10%
Term

2000 Kcal Diet

Less than __mg from cholesterol

Less than __mg if at risk of disease

Definition

300mg

200mg

Term

2000 Kcal Diet

Total fat ___% of total calories

Less than ___mg of sodium everyday

Definition

20-35%

2300 mg 

Term
Some MyPlate adjustments made by the Harvard School of Public Health
Definition
Inclusion of water and detail with every food group
Term
A set of reference values for the intake of energy, nutrients, and food components that can be used for planning and assessing the diets of healthy people in the U.S and Canada
Definition

DRIs

Dietary Reference Intakes

Term
Used to evaluate the nutrient INTAKE OF POPULATION
Definition

EARs

Estimated Average Requirements

Term
Intake that are sufficient to meet the nutrient needs of almost all healthy people in a specific life-stage and gender group
Definition

RDAs

Recommended Dietary Allowances

Term

Intake that should be used as a goal when no RDA exists. These values are an approximation of the average nutrient intake that appears to sustain a desired indicator of health. 

 

Definition

AIs

Adequate Intakes

Term
Maximum daily intakes that are unlikely to pose a risk of adverse health effects to almost all individuals in the specified life-stage and gender group.
Definition

ULs

Tolerable Upper Intake Levels

Term
A nutrient reference value used on food labels to help consumers see how food fits into their overall diets.
Definition
Daily Value
Term

Stomach secretions

Chemical digestion 

Definition
gastric juices by gastric glands
Term

Stomach secretions

Protein digestion

Definition
Pepsin
Term

Stomach secretions

Kills most bacteria in food

Definition
Hydrochloric acid
Term

Stomach secretions

Protects the stomach lining from hydrochloric acid and pepsin

Definition
Mucus
Term

Stomach secretions

B-12 Absorption

Definition
Intrinsic factor
Term
Empty stomach time?
Definition
2-4 hrs
Term
Different movement in the digestive tract
Definition

Peristalsis: Propels

Segmentation: Back and Forth

Term

Which organ does most digestion and absorption occur?

 

Definition
Small intestine
Term
List parts of the same intestine
Definition

Duodenum- Primary place of digestion (10inches)

Jejunum- Some digestion (4ft long)

Ileum- Little digestion (5ft long)

Term
Define: Increase surface area
Definition
Villi
Term
Define: Contains blood vessels and small lymph vessels to carry nutrients to the body
Definition
Microvilli
Term
How often does our entercytes turn over?
Definition
Every 6 days or less
Term
Define: Auto immune system disorder primarily causes abdominal pain and diarrhea
Definition
Crohns
Term
Starts as a food bone illness. Infection in colon which can result in a range from regular bowl movements to diarrhea.
Definition
Colitis
Term
Food sensitive and can result in severe diarrhea
Definition
Irritable bowel movement
Term

Primary place of digestion?

Little digestion?

Definition

Duodenum

Illeum

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