Unit 3 Lite Flashcards
Sodium primary functions
- Fluid balance
- Acid/base balance
- Transmission of nerve impulses
- Muscle contractions
Sodium recommended intake
AI: Adults 1.5 g/day
Sodium food sources
Tables salt, pickles, canned soups, snack foods, cured lunch meats, canned tomato products
Sodium toxicity s/s
Water retention, high BP, loss of Ca in urine
Potassium primary functions
- Fluid balance
- Transmission of nerve impulses
- Muscle contractions
Potassium recommended intake
AI: Adults 4.7 g/day
Potassium food sources
Most fresh fruits and veggies, potatoes, bananas, tomato juice, orange juice, melons
Sodium deficiency s/s
Muscle cramps, dizziness, fatigue, nausea, vomiting, mental confusion
Potassium toxicity s/s
Muscle weakness, vomiting, irregular heartbeat
Potassium deficiency s/s
Muscle weakness, paralysis, mental confusion, irregular heartbeat
Phosphorus primary functions
- Fluid balance
- Bone formation
- Component of ATP
Phosphorus recommended intake
RDA: Adults 700 mg/day
Phosphorus food sources
Milk, cheese, yogurt, soy milk and tofu, legumes, nuts, poultry
Phosphorus toxicity s/s
Muscle spasms, convulsions, low blood Ca
Phosphorus deficiency s/s
Muscle weakness, muscle damage, bone pain, dizziness
Chloride primary functions
- Fluid balance
- Transmission of nerve impulses
- Component of HCl
- Antibacterial
Chloride recommended intake
AI: Adults 2.3 g/day
Chloride food sources
Table salt
Chloride toxicity s/s
None known
Chloride deficiency s/s
Dangerous blood acid-base imbalances, irregular heartbeat
Calcium primary functions
- Primary component of bone
- Acid-base balance
- Transmission of nerve impulses
- Muscle contraction
Calcium recommended intake
RDA: Adults 19-50 and men 51-70: 1,000 mg/day
Women aged 51-70 and adults 70+: 1,200 mg/day
UL for adults 19-50: 2,500 mg/day
51+: 2,000 mg/day
Calcium food sources
Milk, yogurt, cheese (these are the best absorbed form), sardines, collards, spinach, Ca-fortified juices
Calcium toxicity s/s
Mineral imbalances, shock, kidney failure, mental confusion
Calcium deficiency s/s
Osteoporosis, convulsions, heart failure
Magnesium primary functions
- Component of bone
- Muscle contractions
- Assists more than 300 enzymes
Magnesium recommended intake
RDA: Men 19-30, 400 mg/day
Men 30+, 420 mg/day
Women 19-30, 310 mg/day
Women 30+, 320 mg/day
UL 350 mg/day (?? women only?)
Magnesium food sources
greens, grains, seeds, nuts, legumes
Magnesium toxicity s/s
None known
Magnesium deficiency s/s
Low blood Ca, muscle spasms or seizures, nausea, weakness, increased risk for chronic diseases such as heart disease, hypertension, osteoporosis, T2D
Sulfur primary functions
- Component of certain B-vitamins and amino acids
- Acid-base balance
- Detoxification of liver
Sulfur recommended intake
No DRI
Sulfur food sources
Protein-rich foods
Sulfur toxicity s/s
None known
Sulfur deficiency s/s
None known
Fluoride primary functions
- Development and maintenance of healthy teeth and bones
Fluoride recommended intake
RDA: Men, 4 mg/day
Women 3 mg/day
UL: 2.2 mg/day for children aged 4-8
10 mg/day for children 8+
Fluoride food sources
Fish, seafood, legumes, whole grains, drinking water (variable)
Fluoride toxicity s/s
Fluorosis of teeth
Fluoride deficiency s/s
Dental caries, low bone density
Iron primary functions
- Component of hemoglobin in blood cells
- Component of myoglobin in muscle cells
- Assists in many enzyme systems
Iron recommended intake
RDA: Adult men, 8 mg/day
Women 19-50, 18 mg/day
Women 50+, 8 mg/day
Iron food sources
Meat, fish, poultry (these are the best-absorbed form of iron), fortified cereals, legumes, spinach
Iron toxicity s/s
Nausea, vomiting, diarrhea, dizziness, confusion, rapid heartbeat, organ damage, death
Iron deficiency s/s
ID microcytic anemia, hyperchromic anemia
Manganese primary functions
- Assists in many enzyme systems
- Synthesis of protein found in bone and cartilage
Manganese recommended intake
AI: Men, 2.3 mg/day
Women, 1.8 me/day
UI 11 mg/day for adults
Manganese food sources
Whole grains, nuts, leafy veggies, tea
Manganese toxicity s/s
Impairment of neuromuscular system
Manganese deficiency s/s
Impaired growth and repro function, reduced bone density, impaired glucose and lipid metabolism, skin rash
Zinc primary functions
- Assists more than 100 enzymes
- Immune system function
- Growth and sexual maturation
- Gene regulation
Zinc recommended intake
RDA: Men, 11 mg/day
Women 8 mg/day
UI 40 mg/day
Zinc food sources
Meat, fish, poultry (best-absorbed form of zinc), fortified cereals, legumes
Zinc toxicity s/s
Nausea, vomiting, diarrhea, headaches, depressed immune function, reduced absorption of copper
Zinc deficiency s/s
Growth retardation, delayed sexual maturation, eye and skin lesions, hair loss, increased incidence of illness and infection
Chromium primary functions
- Glucose transport
- Metabolism of DNA and RNA
- Immune function and growth
Chromium recommended intake
AI: Men 19-50: 35 µg/day
Men 50+: 30 µg/day
Women 19-50: 25 µg/day
Women 50+: 20 µg/day
Chromium food sources
Whole grains, brewers yeast
Chromium toxicity s/s
None known
Chromium deficiency s/s
Elevated BG and blood lipids, damage to brain and nervous system
Copper primary functions
- Assists many enzyme systems
- Iron transport
Copper recommended intake
RDA: Adults 900 µg/day
UL: 10 mg/day
Copper food sources
Shellfish, organ meats, nuts, legumes
Copper toxicity s/s
Nausea, vomiting, diarrhea, liver damage
Copper deficiency s/s
Anemia, reduced levels of WBC, osteoporosis in infants and growing children
Iodine primary functions
- Synthesis of thyroid hormones
- Temperature regulation
- Reproduction and growth
Iodine recommended intake
RDA: Adults 150 µg/day
UL: 1,100 µg/day
Iodine food sources
Iodized salt, saltwater, seafood
Iodine toxicity s/s
Goiter
Iodine deficiency s/s
Goiter, hypothyroidism, cretinism in infant of mother who is deficient
Molybdenum primary functions
Assists many enzyme systems
Molybdenum recommended intake
RDA: 45 µg/day
UL 2 mg/day
Molybdenum food sources
Legumes, nuts, grains
Molybdenum toxicity s/s
Symptoms not well defined in humans
Molybdenum deficiency s/s
Abnormal metabolism of sulfur-containing compounds
Selenium primary function
Required for carbohydrate and fat metabolism
Selenium recommended intake
RDA: Adults 55 µg/day
UL 400 µg/day
Selenium food sources
Nuts, shellfish, meat, fish, poultry, whole grains
Selenium toxicity s/s
Brittle hair and nails, skin rashes, nausea and vomiting, weakness, liver disease
Selenium deficiency s/s
Specific forms of heart disease and arthritis, impaired immune function, muscle pain and wasting, depression hostility