NAPLEX REVIEW QUESTIONS AND CORRECT DETAILED
ANSWERS LATEST DOWNLOAD 2024/2025 BEST EXAM
SOLUTION GRADED A+ FOR SUCCESS
How do we get the ratio strength from the percent strength? - CORRECT ANSWERS ratio strength=
100/% strength
How do we get the percent strength from the ratio strength? - CORRECT ANSWERS % strength=
100/ratio strength
How do we convert PPM to percent strength? - CORRECT ANSWERS -PPM to % strength, move
decimal left 4 places
-% strength to PPM, move decimal place right 4 places
specific gravity - CORRECT ANSWERS SG= grams of substance/mL
mEq - CORRECT ANSWERS mEq= mg x valence/MW
Which chemicals have 2 valences? - CORRECT ANSWERS Calcium carbonate
Calcium chloride
Ferrous sulfate
Magnesium sulfate
mOsmol/L - CORRECT ANSWERS mOsmol/L= [wt of substance (g/L)/MW (g/mole)] x number of
particles x 1000
Equation for anion gap` - CORRECT ANSWERS Na - (Cl + Bicarbonate)
How much elemental calcium is found in calcium carbonate and calcium citrate? - CORRECT
ANSWERS 40% in carbonate
20% in citrate
How much elemental Iron is in ferrous fumarate, ferrous sulfate, and ferrous gluconate? - CORRECT
ANSWERS fumarate: 108 mg
sulfate: 65 mg of 325mg (20%)
gluconate 35 mg
,NAPLEX REVIEW QUESTIONS AND CORRECT DETAILED
ANSWERS LATEST DOWNLOAD 2024/2025 BEST EXAM
SOLUTION GRADED A+ FOR SUCCESS
How is absolute neutrophil count calculated? - CORRECT ANSWERS ANC= WBC x [(%segs +
%bands)/100]
What is the formula to determine a patient's total energy expenditure? - CORRECT ANSWERS TEE=
BEE x activity factor X stress factor
What is the equation to find pH of a weak acid? - CORRECT ANSWERS pH = pKa + log(salt/acid)
What is the equation to find pH of a weak base? - CORRECT ANSWERS pH = (pKw - pKb) +
log(base/salt)
what can we tell about ionization of acids from the pH and the pKa? - CORRECT ANSWERS pH > pKa
more acid is ionized
pH = pKa ionized and unionized are equal
pH < pKa more acid is unionized
An ionized drug is more soluble but cannot easily cross lipid membranes and vice versa
How are the ABG measurements written out on the exam? - CORRECT ANSWERS
pH/pCO2/pO2/HCO3/O2
What are the normal values for pH, HCO3, and pCO2? - CORRECT ANSWERS pH = 7.35-7.45
HCO3 = 38-42
pCO2 = 22-28
When adding calcium and phosphate to TPN what should be considered? - CORRECT ANSWERS -Use
calcium gluconate over calcium chloride because it is less reactive and a lower rate of precipitation.
-Add phosphate first then add calcium at the end of the prep
-when added together don't exceed 45 mEq/L
BMI - CORRECT ANSWERS weight in kg/height in meter^2
,NAPLEX REVIEW QUESTIONS AND CORRECT DETAILED
ANSWERS LATEST DOWNLOAD 2024/2025 BEST EXAM
SOLUTION GRADED A+ FOR SUCCESS
BSA - CORRECT ANSWERS BSA = SQR [weight(kg) x height (cm)/3600]
How many kcals are in 10%, 20%, and 30% intravenous fat emulsions? How much fat is needed for
TPN? - CORRECT ANSWERS 10% = 1.1 kcal/mL
20% = 2 kcal/mL
30% = 3 kcal/mL
Fat for TPN = 9 kcal/gram
How many kcals do amino acids and dextrose provide in TPN? - CORRECT ANSWERS Amino acids 4
kcal/gram
dextrose 3.4 kcal/gram
what is the pKa? - CORRECT ANSWERS The pKa is the pH at which half the drug is 50% ionized. This is
half the neutralization or equivalence point. The neutralization or equivalence point is at a much
higher pH and occurs when the acid has been neutralized.
what is the correct calcium equation? - CORRECT ANSWERS Corrected Ca = [(4.0-albumin) x 0.8] +
serum calcium
What is the equation for absolute bioavailability? - CORRECT ANSWERS F= 100 x (AUC
extravascular/AUC intravascular) x (Dose intravascular/Dose extravascular)
What is the equation to find the volume of distribution? - CORRECT ANSWERS Vd = amount of drug
given/concentration of drug in plasma
What is the equation for clearance? - CORRECT ANSWERS Cl = rate of elimination/concentration
Cl = F x Dose/AUC
Cl = Dose/AUC (if bioavailability is 1)
What is the equation for corrected phenytoin? - CORRECT ANSWERS CP= measured serum
phenytoin/(0.2*albumin)+0.1
, NAPLEX REVIEW QUESTIONS AND CORRECT DETAILED
ANSWERS LATEST DOWNLOAD 2024/2025 BEST EXAM
SOLUTION GRADED A+ FOR SUCCESS
What is the principle intracellular cation? - CORRECT ANSWERS potassium
Principle extracellular is Sodium
How many mL in a teaspoon? - CORRECT ANSWERS 5 mL
how many mL in a tablespoon - CORRECT ANSWERS 15 mL
how many mL in a cup? - CORRECT ANSWERS 240 mL
how many mL in an ounce? - CORRECT ANSWERS 29.6 mL
how many mL in a pint? - CORRECT ANSWERS 473 mL
how many mL in a gallon? - CORRECT ANSWERS 3785 mL
How do we calculate mols or mmols of a substance? - CORRECT ANSWERS mol= g/MW
mmol= mg/MW
How many mg are in one grain? - CORRECT ANSWERS 65 mg/grain
How many lbs in a kg? - CORRECT ANSWERS 2.2lbs/kg
What is the conversion of aminophylline to theophylline? - CORRECT ANSWERS we multiply the
aminophylline by 0.8 to get the equivalent theophylline
What is the conversion of theophylline to aminophylline? - CORRECT ANSWERS divide the amount of
theophylline by 0.8 to get the equivalent aminophylline
what is the equation for the elimination rate constant? - CORRECT ANSWERS ke = Clearance/volume
of distribution
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