NTR 503 - Wilson Lecture 1 - Oct 26 2010 - students' version_1

NTR 503 - Wilson Lecture 1 - Oct 26 2010 - students' version_1

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Nutrition study of foods, chemical constituents of foods, and their effects on health Nutrients chemicals in food that can be used by body for growth & health 1
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Categories of nutrients Carbohydrates Proteins Lipids Minerals Water 2
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Essential Nutrients Nutrients the body can’t synthesize in sufficient amounts E.g. Essential fatty acids (alpha-linolenic Vitamins Minerals Water 3
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4 Athletes need water? (pages 385-8 of textbook) Heat exhaustion and heatstroke are on a continuum, defined on p 386 Where in the body is water stored for emergency use?
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5 Water is most abundant substance in body by weight (begin on p 484 of textbook) Lean muscle tissue contains ~73% water Fat contains ~20% water Body water content typically comprises 50-70% of body mass, depending on…
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6
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Maternal Body Water Changes during Pregnancy Maternal body water increases results from increased extracellular fluid volume (incl. plasma) Edema Swelling due to accumulation of extracelluar fluid in tissues (interstitial fluid) Normal (if not accompanied by hypertension) 7
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8 Figure 14-2
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Extracellular fluid Intravascular Interstitial
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This note was uploaded on 02/21/2011 for the course NTR 503 taught by Professor Dr.lisa during the Spring '10 term at SUNY Buffalo.

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NTR 503 - Wilson Lecture 1 - Oct 26 2010 - students' version_1

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