LP6: Nutrition and Fluid &Electrolyte (Part1) Flashcards
What is the physiology of Nutrition?
Nutrients are needed for digestion, absorption and metabolism.
What are factors that influence energy requirements?
*Age and growth (infants and adolescents are growing)
*Sex (Males = More muscles; Females= More fat)
*Climate
*Health
*Body size
*Activity
*Pregnancy
What factors affect nutrition?
*Ethnicity and culture
*Medication
*Economics
*Food fads
*Health
*Alcohol consumption
*Advertising
*Psychological factors.
What forms part of the Essential Nutrients?
-Water
-Carbohydrates
-Proteins
-Fats
-Vitamins
-Minerals
Water
-Makes up 60-70% of body weight.
-Should consume 8-10 glasses (2,000-2,400mL)/day.
Carbohydrates
-Major source of energy
-Value: 4kcal/g
-Should consume 55-60% (300g) of cal/day
-Sources: Fruits, whoel grains, legumes, sugar, veggies.
Fiber
-Found in complex carbs
-Should consume 20-30g/day
-Prevents constipation, diverticulitis, diabetes, colon cancer, and heart disease.
Proteins
-Sythesis of body tissue in growth, maintenance and repair.
-Value: 4kcal/g
-Should consume 10-15% (50g) of cal.
-Sources: Meat, fish, eggs, dairy products, whole grains, legumes, and poultry.
What are Complete Proteins?
Proteins that come from animals.
What are Incomplete Proteins?
Proteins that come from veggies.
What is the Metabolism of Proteins?
Composed of:
-Anabolisms -> Build muscles
-Catabolisms -> Breaking down muscles.
-Nitrogen balance -> Measure of the degree of anabolism and catabolism.
Fats
-Stored energy, absorption of fat-soluble vitamins, protection
-Value: 9kcal/g
-Should be <30% of cal. (65g)
-Sources: Veg. oil, meats, butter, dairy products.
What are Water-Soluble Vitamins?
Vitamins that the body cannot store but need daily.
Such as:
*Vitamin C
*Thiamine (VB1)
*Riboflavin (VB2)
*Niacin (VB3)
*Pyroxidine (VB6)
*Folacin/Folate (VB9)
*Cyanocobalamin (VB12)
Vitamin C
-Collage n formation
-Aids in iron absorption and formation of RBCs
-Heals wounds
-ANTIOXIDANT
Thiamine (VB1)
Necessary for a healthy brain, nerves, and heart.
Riboflavin (VB2)
Converts carbs into energy