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NAPLEX REVIEW

Equations

QuestionAnswer
mEq weight formula: MW / 1000
10mg% = what concentration? 10mg / 100mL
mOsm equation: (moles / 1000) * constituents : CaCl = 3 constituents
isotonicity equation: add up all ingredients' weight, and multiply by E value to get equivalent NaCl weight: then multiply entire solution's volume by 0.9% and subtract the difference
mEq formula: convert weight into mg, then multiply by (1 mEq / [ MW / valence] ) to get mEq
proof formula: percent alcohol * 2
LD = Css * Vd LD = Css * Vd, where loading dose equals the desired SS * the volume of distribution
dose = [ ] steady state concentration by constant drug infusion (2) dose = Css * Vd * Cl: Css = Css * Cl, depending how clearance is given
half life t1/2 equation t/12 = (0.693 / k), t/12 = (0.693 *VD) / Cl, t1/2 = (0.693 / Cl)
dosing rate = dosing rate - dose / T
CL = Cl = k * Vd
dose interval = [ ] (dose / T) = Css * Vd * Cl: Css = Css * Cl, depending how clearance is given
Cl = Cl = Ke * Vd
Created by: vitasoy
 

 



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