N336 Nutritionstudent

N336 Nutritionstudent - Nutrition Nutrition...

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Nutrition  Nutrition  Jacqueline Tulley, RN, MSN, ACNP
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Nutrition in Wellness Nutrition in Wellness “Tell me what you eat, and I shall tell  you what your are.” (Gourmet, Brillat-Savarin) MAF
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Nutrition Nutrition Nutrition is the study of nutrients and  processes by which they are used by  the body Processes by which a living organism  ingests, digests, absorbs, transports,  uses, and excretes nutrients. Good nutrition is essential to good  health and disease prevention
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Nutrients Nutrients Nutrients are substances in foods that  are required by the body for energy,  growth, maintenance, and repair Are divided into six categories Proteins Carbohydrates Fats Vitamins Minerals Water
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Nutrients Nutrients Essential nutrients  must be acquired  through food because our body  cannot produce them on its own Non-essential  are nutrients produced  by the body*
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Nutrients Nutrients Several important functions Provide energy which can be stored in the  body or transformed for vital activities Building and maintaining body tissue Controlling metabolic processes Such as growth, cell activity, enzyme  production, and temperature regulation
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Metabolism Metabolism Metabolism  is how the body grows and  maintains it self Metabolism is a combination of several  processes by which energy is extracted from  certain nutrients (carbohydrates, proteins, and  fats) and then used by the body. Metabolism can be broken down into two parts Catabolism  – is the breakdown of complex substatnces into  simpler ones, resulting in the release of energy Anabolism  – is the synthesis of simple substances into more  complex substances.  This process provides the energy  necessary for tissue growth, maintenance and repair.
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Nutrients As Energy Nutrients As Energy kilocalorie (kcal) is a unit of heat energy.  Commonly referred to as calorie. It is the  amount of heat necessary to raise the  temperature of a gram of water 1-degree  Celsius Organic compounds produces energy Carbohydrates, fats and proteins are organic  compounds used by us for food When these nutrients are oxidized, energy    is released and available for use by the cells
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Nutrients As Energy Nutrients As Energy Kilocalories (kcal) Below is the amount of energy liberated  from the metabolism of 1 gram of energy  nutrients: Carbs = 4 kcal/g Protein = 4 kcal/g Fat = 9 kcal/g A smoothie consists of 16 g protein, 18 g  carbohydrates, and 3 g fat.  The total number  of kcal in the smoothie is?
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Metabolism Metabolism Basal metabolic rate  (BMR) the rate  at which the body metabolizes food to  maintain energy needed for a person  awake and resting
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This note was uploaded on 05/30/2011 for the course NUR 336 taught by Professor Patriciakelly during the Spring '11 term at St. Xavier.

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N336 Nutritionstudent - Nutrition Nutrition...

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