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CMB-Chapter 5

CMB - Chapter 5 - Pharmacy Calculations

QuestionAnswer
30ml = ? fl oz 1
30g = ? oz 1
8 drams = ? oz 1
60 grains = ? dram 1
16 fl oz = ? pint 1
2 pints = ? quart 1
4 quarts = ? gal 1
1/2 tsp = ? ml 2.5 ml
1 tsp (3 i) = ? ml 5 ml
2 tsp (3 ii) = ? ml 10 ml
15 mL = 1 TBS = 3 tsp = ? oz 1/2 oz
2 TBS = ? ml 30 ml
1gr = ? mg 60 mg
1 oz avoir (oz) = ? g 30 g (28.35)
16 oz avoir (1 lb) = ? g 480 (454)
1 fl oz = ? ml 30 ml
4 fl oz = ? ml 120 ml
8 fl oz = ? ml 240 ml
16 fl oz = ? ml 480 ml
2 pints = ? ml 960 ml
4 quarts = ? ml 3840 ml
Roman # L = 50
Roman # C = 100
Roman # D = 500
Roman # M = 1000
Aliquots are the amount that is removed after diluting a product.
LWQ least weighable quantity
LAW least amount weighable
Tonicity is the osmotic pressure of a solution
Dilution of Stock Solutions formula C1 x V1 = C2 x V2 (1s are stock product, 2s are desired product)
Infusion time calc formula total volume of infusion X drops/ml X min/drops X 1hr/60min
milliequivalent (mEq) is the unit of measure for electrolytes in solution & are often used in hospitals
1 kg = ? lbs 2.2 lbs
temp conversion formula 9 x degrees C = (5 x degrees F) - 160
converting kg to lbs kg / lbs = 1 kg/2.2 lbs
Clark's rule equation weight of child(lbs)/150 x adult dose = child's dose
Body Surface Area (BSA) formula child's BSA/1.73 x adult dose = child's dose
GM in dollars = selling price - COGs
GM as a % of sales = GM (in dollars) / selling price
mark-up = selling price - COGs (same as GM)
mark-up % on cost = (selling price - acquisition cost) / acquisition cost
mark-up on retail = (selling price - acquisition cost) / selling price
inventory turnover rate (ITOR) is a measure of how fast inventory is being sold
ITOR formula ITOR = COGs / avg inventory * avg inventory est as begin inv + end inv / by 2
Hospital ITOR = purchases / avg inventory
1 TBS = ? oz 1/2 oz
2 TBS = ? oz 1 oz
Created by: cbowers101
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