Nutrition—An Applied Approach chapters 1.docx

14 Pages
Unlock Document


Nutrition—An Applied Approach chapters 1, 1 In Depth, 4, 5, 6, 11 In Depth, and13 In Depth MyNutrition Lab Exam Study Resources • Go to Chapter Contents (sidebar heading), then to each chapter assigned for the exam. The In Depth (ID) chapters are under the main chapter headings. (For example, 1 ID is in the Ch. 1 section.) • Under each assigned chapter, use the following to help you study: Chapter Study Guide, Chapter Summary, Chapter Quizzes (and In Depth Quizzes), and Interactive Flash Cards (these take awhile to load up and start). • If there are terms/keywords you do not know, see the Glossary to look up definitions. • View the Nutrition Animations under each chapter. These can help you understand key concepts. • Any of the other chapter resources can also be helpful (such as ABC News Videos). Ch. 1: The Role of Nutrition in Health The 6 Classes of Nutrients • Carbohydrate • Lipid• Protein• Vitamins • Minerals • Water Carbohydrates – Primary source of fuel for the body • highly preferred by the brain &red blood cells (RBCs) • body has low storage capacity • body has absolute requirement • used during exercise – Provide 4 kcal per gram – Found in most foods with the exception of meats Fats and Oils– Are compo3wsed of molecules that are insoluble in water called lipids. – Provide 9 kcal per gram – Energy source during rest or low intensity exercise – Source of fat-soluble vitamins and essential fatty acids – Found in butter, margarine, vegetable oils, animal foods Proteins – Supply 4 kcal per gram, – Not a primary energy source – Are important in building, regulating maintaining repairing and balancing body tissues and systems – Found in meats, dairy products, seeds, nuts, and legumes. Water & Alcohol •Water is a critical nutrient for health and survival. •Water is involved in many body processes. •Alcohol is a chemical, drug, and toxin that is included in many beverages and foods. • 1. Provides 7 kcal per gram • 2. Not considered a nutrient MicroNutrients: know that they’re vitamins and minerals Vitamins: organic molecules that assist in regulating body processes. 1.Fat-soluble vitamins (stored in the body) 2.Water-soluble vitamins (not stored in the body) Minerals: inorganic substances required for body processes.1. Major Minerals2. Trace MineralsSome body processes include: fluid regulation, bone structure, muscle movement, and nerve functioning. Energy Values • Carbohydrates – 4 kcal/g • Protein – 4 kcal/g • Fats – 9 kcal/g • Alcohol – 7 kcal/g 1.10 Calculate Total Kcals • 80 grams Carbohydrate (X 4 = 320 kcal) • 20 grams Protein (X 4 = 80 kcal)• 15 grams Fat (X 9 = 135 kcal) Total: (320+135+80) = 535 kcal Calculate Total Kcals • 150 grams Carbohydrate (X 4 = 600kcal) • 40 grams Protein (X 4 = 160 kcal)• 30 grams Fat (X 9 = 270 kcal)• 10 grams Alcohol (X 7 = 70 kcal) Total: (600+160+270+70) = 1,100 kcal Standards Under the DRI • Recommended Dietary Allowances (RDAs) for macro/micronutrients • Adequate Intake (AI) • Tolerable Upper Intake Levels (ULs) – upper level at which its safe to consume something • Estimated Average Requirements (EARs) Hewlings/Medeiros Acceptable Macronutrient Distribution Range (AMDR) • Protein: 10–35% of total calories (about 20%) • Fat: 20–35% (about 30%)• Carbohydrates: 45–65% (about 50%) Reliable Sources of Information •Trustworthy experts!?!? – Registered dietitian (RD) √ – Licensed dietitian (LD) √ – Professionals with advanced (Master/PhD) degree(s) in nutrition √ – Nutritionist ??– - there is no legal definition/certification for someone calling themselves a nutritionist so they’re iffy – Medical doctor ??!! Chapter 1 IN DEPTH - Alcohol •Not a nutrient •Does contribute kcal to the diet – 7 kcal/gram •Proof is a measurement of alcohol content •Most common cause of nutritional deficiencies What is moderate alcohol intake? • A drink is defined as the amount of a beverage that provides 1⁄2 fluid ounce of pure alcohol up to one (1) drink per day for women to two (2) drinks per day for men 1 Drink = • Mixed drink with 1.5 fl oz (1 shot) of 80-proof liquor (vodka, gin, scotch, bourbon, brandy, or rum) • 4-5 fl oz (a glass) of wine • • 12flozofbeer • Health Benefits • Prevents Heart Disease – Healthy in moderate consumption(1 drink/day for women; 2 drinks per day for men) – Decreases clotting and increases HDL-increases good – No benefit to more alcohol – Red wine and dark beers have phytochemicals Hewlings/Medeiros • Polyphenolics (catechin and resveratrol) In Depth: Alcohol •Concerns about moderate alcohol intake include: FetalAlcohol Syndrome from alcohol intake during pregnancy Women appear to be at higher risk for breast cancer risk for hypertensionHigher rates of bleeding in the brain high calorie contentrisk for adverse drug interactions Ch. 4: Carbohydrates • Functions- look at list of functions in notes • Mono-, Di-, and Polysaccarides • Deficiency • Site of Digestion • Food Sources • 4 Kcal Per Gram • Key terms: glycogen-stored form of carb in our muscles and liver, starch, insulin-hormone responsible
More Less

Related notes for NUTRIT 7150

Log In


Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.