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Nutrition

• What is it?

• Why study it?

• Who needs it?

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Nutrition

What is Nutrition?

Nutrition - the study of the food people eat and how their bodies use that food

Science – food requirements for body maintenance and function

Art – how foods and food information are presented

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Nutrition

Science

• Research

• Regulatory Controls

• Relationship to Disease

• Interactions with Medications

Art

• Meal Planning

• Meal Presentation

• Environment

• Patient Considerations

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Nutrition

Why study Nutrition?

• Good Nutrition is essential to Wellness• Poor Nutrition contributes to Disease• Nurses need to keep themselves

Healthy• Nurses need to Educate patients

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Nutrition

Who needs to know about Nutrition?

YOUDO

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Nutrition

Wellness is more than the absence of disease

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NutritionFood Insecurity

Poverty – Poor Access – Poor Knowledge

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Nutrition

The Course Syllabus

Unit I (5 Hrs) – Food Analysis, Test

Unit II (5 Hrs) – Test

Unit III (7 Hrs) – Group Project, Test

Unit IV (5 Hrs) – Test

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Nutrition

The Nutrition Health Care Team

Physician

Dietitian

Nurse

Patient

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Nutrition

The Nutrition Health Care Team

Physician

Dietitian

Nurse

Patient

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Nutrition

The Nutrition Health Care Team

Physician

Dietitian

Nurse

Patient

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Nutrition

The Nutrition Health Care Team

Physician

Dietitian

Nurse

Patient

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Nutrition

Functions of Nutrients

• Provide Energy

• Build Tissue

• Regulate Body Cellular Functions

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Nutrition

Providing Energy

• Energy is the capacity to do work

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Nutrition

Providing Energy

• Energy is measured in kilocalories or Calorie

1000 calories = 1 kilocalorie

1 kilocalorie = 1 Calorie

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Nutrition

Providing Energy

• Caloric Measurement is approximate

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Nutrition

Metabolism

Absorption

Digestion

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Nutrition

Macronutrients – The Energy Providers

• Carbohydrates

Fuel Factor

1 gm = 4 kcal

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Nutrition

Carbohydrates

1 tsp table sugar weighs 4 gm. How many kilocalories?

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Nutrition

Macronutrient

Carbohydrates

Good Carbs?

Bad Carbs?

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Nutrition

Macronutrients – The Energy Providers

• Fats (Lipids)

Fuel Factor

1 gm = 9 kcal

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Nutrition

Fats (Lipids)

1 Tbsp olive oil weighs 14 gm. How many kilocalories?

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Nutrition

Macronutrient

Fats (Lipids)

Good Fats?

Bad Fats?

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Nutrition

Macronutrients – The Energy Providers

• Proteins

Fuel Factor

1 gm = 4 kcal

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Nutrition

Proteins

1 egg weighs 6 gm. How many kilocalories in 3 eggs?

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Nutrition

Macronutrient

Proteins

Good Proteins?

Bad Proteins?

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NutritionEnergy Density

LOWER ENERGY DENSITY HIGHER ENERGY DENSITY

This 450-gram breakfast delivers 500 Kcalories.

This 144-gram breakfast also delivers 500 kcalories.

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Nutrition

Macronutrients Provide Energy

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Nutrition

The Tissue Builders

• Proteins

Example – Amino Acids

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Nutrition

The Tissue Builders

• Vitamins

Example – Vitamin C

Collagen

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Nutrition

The Tissue Builders

• Minerals

Example – Iron

Hemoglobin

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Nutrition

The Tissue Builders

• Fatty Acids

Cell Wall – Structure and Transport

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Nutrition

The Regulators

• Vitamins and Minerals

Example – Coenzyme Factors

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Nutrition

The Regulators

• Non-Nutrients

Water

Fiber

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Nutrition

Discussion

• A single nutrient for each single food?

• Good nutrients vs bad nutrients?

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Nutrition

Achieving Optimum Nutrition

• Malnutrition

• Overnutrition

• Undernutrition

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Nutrition

Achieving Optimum Nutrition

• Malnutrition

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Nutrition

Achieving Optimum Nutrition

• Overnutrition

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Nutrition

Achieving Optimum Nutrition

• Undernutrition

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Nutrition

Community Health Care

Setting Setting

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Nutrition

Home Work Assignment – Food Log• Go to

http://www.mypyramid.gov/mypyramid/index.aspx

• Find YOUR Pyramid Plan• Explore the Nutricalc CD that comes with

your Nutrition Book.• Calculate your Ideal Body Weight (IBW)

and Body Mass Index (BMI)

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Nutrition

Home Work Assignment – Food Log

(cont.)• Keep a daily log of all the foods you eat for

2 days• Be as specific as possible• Include all condiments• Include all beverages including water• Bring this log to the next class

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