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17 Cards in this Set

  • Front
  • Back
1) #1 mineral used in the body
2) under control of vit.D
3) bind to albumin, phos, citrate
Ca is important in?
1) neuro
2) muscle contraction
3) blood coagulation
4) release of NTM and autocoids
5) bone formation
hypocalcemia is most commonly seen due to a?
decreased albumin
s/s of hypocalcemia?
1) tetany
2) increased neuromuscular excitability
3) laryngospasm
4) Sz
5) hypotension
most common cause of hypercalcemia is?
a cancer which activates osteoclasts by secretion of cytokines
tx of hypercalcemia?
bisphosphonates IV
1) Etidronate (Didronel)
2) Pamidronate (Aredia)
3) Alendronate (Fosamax)
roles of potassium?
1) osmotic P control
2) enzymatic rxn
3) excitable cell memb.
4) kidney function
1) beta-adrenergic agonists
2) theophylline
3) diarrhea
4) diuretics
5) PCN, aminoglycosides
s/s of hypokalemia
1) skeletal muscle weakness
2) cardiac dysrhthmias
1st sign of hyperkalemia?
ECG change, peaked T wave
tx of kyperkalemia
1) Ca
2) NaHCO3
3) beta-adrenergic agonists
1) energy metabolism
2) acid-base balance
3) buffer
Mg mainly bound to ?
proteins in plasma
Mg role
1) enzymatic rxn
2) ATP chelated to Mg
3) regulates Ca entry into cells
4) antagonist of Ca
s/s of hypoMg
1) skeletal muscle weakness
2) spasms
3) sz
4) coma
1) rare
2) s/s = sedation
3) myocardial depression
4) decreased neuromuscular function from Ach release
Mg use in OB
for convulsions in pts with gestational proteinuric hypertension