NDFS 100- Nutrition Exam [100% PASS] /verified/

NDFS 100- Nutrition Exam [100% PASS] /verified/ Identify the ways that nutrition affects health. *Ans* Can help in preventing heart diseases or lowering cholesterol levels. It can also affect the amount of energy a person feels. Good nutrition promotes good health and a balanced/happy lifestyle. Keeps the body functioning. Helps maintain a good immune system (won't get sick as often.) Identify the six major nutrients, their roles in the body, and the calorie values of the three macronutrients and alcohol. *Ans* Water-constantly used in the body and must be replaced, carbohydrates-energy (4 calories per gram), fat-energy (9 calories per gram), protein-energy and forms structures and working parts of body tissue (4 calories per gram), minerals and vitamins-assist in all body processes; considered "micronutrients" Alcohol = 7 calories per gram (**NOT A MAJOR NUTRIENT**) List and define the 5 characteristics of a healthy diet. *Ans* Adequacy: (getting enough - ex: if you eat too little iron, you can develop iron-deficiency anemia); Balance: (equal amounts)not eating too much of one food GROUP; Calorie control (helps to maintain weight); Moderation: (not too much of one specific kind of food - ex: don't pile up on the fats and sugars); Variety: (different array - ex: don't eat the same meal day after day...can cause toxins or contaminants) ABCMV Use knowledge of the scientific method to find and recognize credible sources of information. *Ans* Scientific Method: 1. observation 2. hypothesis 3. experiment 4. results & interpret 5. supported v. not supported 6. theory v. new question Case study *Ans* look at one individual or a small group of people, can go into lots of analysis, be careful not to apply generalization Epidemiology Study *Ans* looking at an entire country's eating habits and correlations between diseases and eating from the people as a whole Intervention Study *Ans* altering a person's diet in order to see the results Experiment/Laboratory Study *Ans* altering specific variables in an experiment in order to produce concrete results that can prove causation, must have more than one study to prove legitimacy.