Adult nutrition Flashcards
Deteremining calories
- Gold standard :
- Normal nutrition 25-35 kcal/kg
- Calories – 1200-2000 for____
– 1800-2400 for ___
• Increased calorie needs – Infection, critical illness, wound healing, chronic illness, cancer
indirect calorimetry
women
men
Role of carbohydrate intake
– Supports energy metabolism, maintains blood glucose, immediate source of energy for brain, maintains glycogen stores in liver
Role of soluble fiber and where you can get it
– Forms gel-like substance in intestines
– Food sources • Oats, barley, fruits, vegetables, dried peas/beans
role and sources of insolbule fiber
Insoluble – Increases stool bulk – Food source: • Bran, vegetables with skins, skins on fruits
how much protein does healthy adult need, when can we cut back on protein?
0.8g/kg
in obese people
- Limit____ fats as it Increases LDL cholesterol, heart disease risk
- Increase_____ fats and omega- 3 polyunsaturated fats – Decreases LDL cholesterol – Decrease inflammation – Improves HDL cholesterol
saturated
monounsaturated
Diagnostic Criteria for Malnutrition
• Insufficient energy intake • Weight loss • Loss of muscle mass • Loss of subcutaneous fat • Localized or generalized fluid accumulation • Diminished functional status as measured by handgrip strength
Sources of Thiamin B1
role of Thiamin B1
- Role: Energy metabolism
- Food sources: – Pork, enriched & whole grains, legumes
– Decreased appetite, fatigue, peripheral neuropathy
thiamin or B1 deficiency
severe deficiency of B1 or thiamin
– Advanced neuromuscular symptoms
– Edema (wet Beriberi) – Heart failure
Dry/Wet Beriberi
Mental confusion , ataxia, uncoordinated eye movements
Wernicke-Korsakoff –Vit B 1 deficiency
Role and sources of Vit B5
- Role: Energy metabolism
- Food sources – Widespread – Legumes/lentils, whole grains, sweet potatoes, meat
Role and sources of Vit B3: Niacin
- Role: Energy metabolism
- Food sources: – Meats, legumes – Synthesize from tryptophan • 1 mg niacin per 60 mg tryptophan
– Symptoms: Glossitis – Pellagra • Three “D”s – Diarrhea, Dermatitis, Dementia…Death
Niacin (Vitamin B3 ) deficiency
Toxicity of Vit B3: niacin
Toxicity – Histamine induced flushing, liver damage
Role and sources of Pyridoxine or Vit B6
- Role: Energy metabolism
- Food sources: – Plants & animal sources – Potatoes, chicken, salmon, nuts, fortified cereals
Deficiency causes: • Irritability, nervousness, depression, peripheral neuropathy (severe) • Microcytic anemia
vit B 6; pridoxine
Role and sources of : Riboflavin (Vitamin B2 )
- Role: Energy metabolism
- Food sources – Milk, dairy products, eggs, enriched cereals, dark leafy greens
deficiency causes: • Cheilitis, glossitis, dermatitis, anemia
riboflavin Vit B2
Biotin sources and role
- Role: Energy metabolism
- Food sources – Widely distributed – Egg yolks, liver, yeast, whole grains, vegetable
deficiency in biotin:
hair loss
Role and sources of Folate or Vit B9
- Role: Hematopoietic
- Food sources: – Liver, dark leafy vegetables, broccoli, legumes – Fortified grains/cereals
Deficiency causes • Macrocytic or megaloblastic anemia, hyperhomocysteinemia, red tongue, cognitive decline, neural tube defects
Folate or Vit B9
• Macrocytic or megaloblastic anemia, hyperhomocysteinemia, red tongue, cognitive decline, neural tube defects
What labs do we order to test this out?
– Serum folate, RBC folate, CBC