Nutrition Flashcards
Role of macronutrients
Function to provide energy, promote growth and repair, support normal body structure and function
Macronutrient energy
Carb - 4 kcal
Protein- 4 kcal
Fat - 9 kcal
Carbs are broken down by
amylase
Sources of carbs
grains, fruits, veggies, legumes, dairy
Protein source
fish, lean meat, poultry
egg, dairy
legumes
nuts/seeds
Digest proteins
protease
Digest fat
lipase and bile
End-product of fat
monoglycerides and fatty acids
Function of micronutrients
support cellular metabolic processes, biochemical reactions, hormone function, nerve impulse propagation and muscle function
water-soluble vitamins
thiamine (b1) riboflavin (B2) niacin (B3) Pantothenic acid (B5) Pyridoxine (B6) Biotin Folate Cobalamine (B12) Ascorbic Acid (vit C)
Vit C role
aids in iron absorption
Absorption of B12
bind to IF in the stomach
Fat soluble vitamins
A (vision)
D (Ca absorption)
E
K (clotting)
Major minerals
sodium potassium chloride calcium phosphorous magnesium (some people can claim pretty minerals)
trace elements
iron, zinc, copper, iodine, manganese, chromium, slenium
PPI can interfere with
Ca, Fe absorption in stomach
Absorbed in stomach
Ca, Fe
Absorbed in stomach, duodenum, jejunum
AA, small peptides, monosaccharides, FA
FAT-SOLUBLE VIT (ADEK)
Absorbed in jejunum and ileum
water-soluble vitamins
Zinc
Bile salt reabsorption
ileum
Vitamin b12 absorption
distal ileum
Potassium reabsorption
Cecum
Thiamine (B1) deficiency
beriberi (peripheral neuropath +/- HF)
Wernicke-Korsakoff syndrome (neuro sequela)
Riboflavin (b2), niacin (b3), pyridoxine (b6) deficiency
cheilitis
angular stomatitis
glossitis
Niacin (B3)
pellagra (diarrhea, dermatitis, dementia)
Folate deficiency
macrocytic anemia
Cobalamin (B12) deficiency
macrocytic anemia, PERIPHERAL NEUROPATHY
Peripheral neuropathy
Thiamine (b1) and B12
Vitamin D deficiency
rickets, osteomalacia
Vitamin A deficiency
night blindness***
bitot spots- keratin in conjunctiva
poor wound healing
dry skin
Zinc deficiency
hypoguesia
impaired wound healing
impaired wound healing
Vit A
Zinc
Iodine deficiency
goiter
hypothyroidism
Calcium deficiency
tetany (chvotske & trousseau)
Iron deficiency
pallor
pale conjunctiva
koilonychia (spoon nails)
Vitamin C and K deficiency
Petechiae/Purpura
Vitamin E deficiency
sensory and motor neuropathy
Pellagra
Niacin (B3)
Blindness
Vit A
Wernicke-Korsakoff syndrome
thiamine (B1)
Petechia/Purpura
Vit C
Vit K
Nutrition in pregnancy
fruit/veggies, whole grain, low-fat dairy, variety of protein
carloric consumption depend on prepregnancy BMI
prenatal vitamin
FOLIC ACID - prevents neural tube defect
avoid alc/tobacco
safe food care, pet care
dietitian
gestational DM?
Necessary nutrient in pregnancy
folic acid
Nutrition in infancy
sole breastmilk/formula first 4-6 months
Vit D supplement in exclusively breastfed infants
chart/monitor growth - FTT
Supplement in breastfeeding babies
Vitamin D
milk in children
1-2YO: 2 c whole milk/day
2-8 YO: 2-3 c fat-free milk/day
>9 YO: 3 c fat free a day
Sodium consumption in adults
<2300 mg Na daily
MyPlate advice
whole grains
5+ fruits/veggie servings
fiber 25-35 g/day
protein-rich food