Minerals Sodium

  1. What is the most abundant cation in the ECF
  2. Sodium has a ________ electrolyte charge
  3. What are normal serum sodium levels
  4. What sodium levels can be used to assess kidney function
    urine sodium levels
  5. What is the main source of sodium
  6. What is the AI for sodium
    1500mg(3/4 tsp), but 2400mg(1tsp) max
  7. What are the functions of sodium
    • Maintain osmotic pressure
    • Regulates renal retention & excreation of water
    • Regulates potassium & chloride levels
    • Stimulates neuromuscular reactions
  8. What is sodium exchanged for to maintain acid-balance base levels
    potassium or hydrogen
  9. What gets absorbed with(not in exchange for) sodium to keep acid-base levels balanced
    chloride or bicarb
  10. What causes hyponatremia
    • excessive water in the body:
    • Sodium free solutions
    • Water intoxication
    • Diuretics with sodium restrictions
    • Renal failure
    • Diabetic acidosis w/polyuria
    • Excessive diarrhea & vomiting w/only water replacement
    • Addisons disease
  11. What are the S&S of hypoantremia
    • Headache
    • Muscle cramps
    • Weakness
    • Memory loss
    • Hard time concentrating
    • Decreased appetite
  12. What is hypernatremia
    loss of large volumes of body fluid without salt concentration loss
  13. What are causes of hypernatremia
    • Fever
    • Hyperventilation
    • Infection
    • Excessive diaphoresis
    • Watery diarrhea
    • Overuse of  IV saline solutions
    • Impaired renal function
    • Decreased sodium excreation
    • Corticosteroid use
  14. What are the signs of hypernatremia
    • Increased thirst
    • dry flushed skin
    • poor skin tugor
    • hypotension
    • dry mucous membranes
Card Set
Minerals Sodium
Minerals Sodium