Minerals Flashcards
(31 cards)
What are macrominerals
Calcium
Chloride
Phosphorus
Potassium
Magnesium
Sodium
Sulfur (Thiamin)
Microminerals
- Iron
- Iodine
- Fluoride
- Copper
- Zinc
- Selenium
- Chromium
- Cobalt (B12)
- Manganese
- Molybdenum
Calcium
◦99% is found in bones and teeth
◦Nervous stimulation
◦Muscle contraction
◦Blood clotting
◦Activates pancreatic lipase
◦10-40% absorbed
◦Aided by vitamin D and lactose, hindered by oxalic acid
◦Parathyroid hormone regulates blood levels
Recommended intake of calcium
- General population 1000 mg/day
- Postmenopausal 1200 mg/day
Calcium deficiency
Fragile bones, osteoporosis
Hypertension
Phosphorus
◦80-90% in bones and teeth
◦Aides in tissue and cell repair
◦Assists kidneys to get rid of waste products
◦Reduce muscle pain after strenuous activities
◦Enzymes for energy metabolism, protein synthesis (production and storage of energy)
◦Regulation of your heart rate
◦Conduction of your nerves
*In Kidney disease a prescription for a phosphate binder is often given.
Phosphous deficiency
Bone pain
Fatigue
Excess phosphorus
-Hardening of organs, muscles and soft tissue
-Interferes with body’s use of iron, magnesium, and zinc
-Happens in Renal disease (Dialysis removes excess)
-The more phosphorus you consume the more calcium you will need
RDA: 700mg Phosphorus/day
Magnesium
◦60% in bones and teeth
◦Helps bones remain strong
◦Transmits nerve impulses
◦Muscle contraction
◦Enzymes for energy metabolism
◦Supports healthy immune system
◦Regulates heart rate
◦Assists in regulating blood glucose levels
Magnesium deficiency
Weakness
Irritability
Irregular Heart beat
*70% of Americans don’t meet the daily recommended intake
*RDA average for men and women 250-300mg/day
Sodium
◦Extracellular fluid
◦Water balance
◦Acid-base balance
◦Nervous stimulation
◦Muscle contraction
◦Almost completely absorbed
◦Body levels regulated by adrenals, excess excreted in urine and by skin
sodium deficiency
Rare, occurs with excessive perspiration
**Not hyponatremia- this is about sodium consumed2`
Excess sodium
hypertension (if sodium sensitive)
Potassium
◦Intracellular fluid
◦Protein and glycogen synthesis
◦Water balance
◦Transmits nerve impulse
◦Muscle contraction
◦Body levels regulated by adrenals, excess excreted in urine
Causes of Potassium deficiency
Starvation
Diuretic therapy
GI losses
Primary Aldosteronism
Diabetic Ketoacidosis
CKD
Excessive alcohol use
Symptoms of low potassium
Fatigue, muscle cramps, constipation
Causes of hyperkalemia
- Acute Kidney Failure
- CKD
- Addison’s disease (adrenal insufficiency)
- Angiotensin II receptor blockers
- Angiotensin-converting enzyme (ACE) inhibitors
- Beta blockers
- Dehydration
- Destruction of red blood cells due to severe injury or burns
- Excessive use of potassium supplements
- Type 1 diabetes
Iron
◦Mostly in hemoglobin
◦Muscle myoglobin
◦Oxidizing enzymes for release of energy
◦Acid and vitamin C aid absorption
◦Daily losses in urine and feces
◦Menstrual loss
Iron deficiency
Anemia – most common cause of anemia is def. of iron
Cheilosis
Pallor
Excess Iron
Vomiting, diarrhea, alteration in consciousness, hepatotoxicity, death
Iodine
◦Forms thyroxine for energy metabolism
◦Chiefly in thyroid gland
Iodine deficiency
Endemic goiter
Flouride
◦Prevents tooth decay
◦Storage in bones and teeth
Excess flouride
Leads to tooth motteling