Exam 4 Study Guide

Exam 4 Study Guide - Nutrition100Exam#4StudyGuide

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Nutrition 100 Exam #4 Study Guide Know food sources of protein Meat, fish, eggs, dairy products, legumes, cereals, vegetables Know protein RDA .8 gm/kg body weight 10-35% of Energy from Protein is safe (Actual Intake ~15% ) Functions of protein Growth and Maintenance  o Muscles, Connective Tissue, Cell Division Repair o Collagen matrix - Bone, Scar tissue o Blood Clots - Fibrin Enzymes - Catalysts Hormones - Messenger Molecules Antibodies -  o Viruses, Bacteria, Allergens, Toxins Acid-Base Balance – pH, Fluid and Electrolyte Balance, Transport of substances around  body Energy o Excess stored as fat
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Essential vs. non-essential amino acids 20 Dietary AA 9 Essential AA:   o Dietary requirement o Cannot be synthesized 11 Non-essential AA:  o Can usually be synthesized  Protein quality: complete vs. incomplete Complete proteins o Contains all ess. AA o Animal protein milk, cheese eggs meat, fish, poultry Incomplete Proteins Lack one or more essential AA Combining plant proteins can create complete proteins Tofu and Rice Corn and Lima beans
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Protein energy malnutrition (PEM): kwashiorkor vs. Marasmus
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Exam 4 Study Guide - Nutrition100Exam#4StudyGuide

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