Copy of NUTR 202_ Review 2.docx

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Text in red was on the exam. You’re welcome, again. Module 6 - Proteins 1. What elemental units make up amino acids? Carbon, Hydrogen, Oxygen, Nitrogen 2. Define essential, non-essential and conditionally essential amino acids.` Essential Amino acid: Must be acquired by our diet Non-essential: Normally made by our body in adequate amounts Conditionally essential: usually not essential, except in times of illness and stress . 3. List the functions of protein in the body. Fluid balance Transport Acid base balance Immune function Enzymes Hormones growth/ Maintenance/ Repair Body structure and blood 4. Describe situations in which a person would be in a) positive nitrogen balance b) negative nitrogen balance. Positive nitrogen balance: Occurs during growth, recovery from illness, during pregnancy Negative nitrogen balance: Occurs during AIDS, cancer, starvation, low calorie diet 5. What are the potential health benefits and nutritional deficiencies associated with vegetarian diets? Health Benefits: Low risk heart disease, low rate of obesity Nutritional Deficiencies: Vitamin B12, Zinc, Iron, Calcium, Vitamin D, Protein 6. Define complete, incomplete and complementary proteins. Complete: Provide all essential amino acids in amounts needed by the body Incomplete: Do not contain all essential amino acids in amount required by body Complementary: Amino acid contents combined provide all EAA 7. List 3 dietary sources of complete proteins, 3 dietary sources of incomplete proteins and 3 dietary sources of complementary proteins. Complete: Meat, Fish, Eggs Incomplete: Grains, Veggies, Legumes Complementary: Beans and tortillas or rice, Peanut butter sandwich, Macaroni and cheese 8. What is the RDA value for proteins for healthy adults? 0.8 g per kg of weight 9. What populations/groups of people may need additional protein? Patients in hospitals and nursing homes, infants, and young children (slide 18) Injured Illness Pregnancy Competitive athlete 10. Compare and contrast protein energy malnutrition, marasmus and kwashiorkor. Protein Energy Malnutrition: Disorder that occurs with inadequate protein or energy consumption, most lethal form.
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Marasmus: Condition of starvation characterized by emaciation, or skeletal appearance caused by inadequate protein and calorie intake. Kwashiorkor: Characterized by swollen appearance, especially abdomen, due to low protein intake (Need to know what this is a lack of, like what causes it) lack of protein Module 7 – Obesity and Energy Balance 1. What is the relationship between energy balance and body weight? Energy balance is based upon dietary/caloric intake and metabolism. Healthy weight can be based on values based on height and weight, such as the body mass index (BMI). Insufficient caloric intake can result in starvation mode, where despite less food consumed the body may gain weight, and slow metabolism.
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