Math Flashcards
What is DCC in numbers
700
What is LXXX in numbers?
80
What is XXX in numbers?
30
What is XC in numbers?
90
What is DCCC in numbers
800
What is 1/2 in roman numeral ?
SS
What is 200 in roman numeral ?
CC
What is 9 in roman numerals?
IX
What is MMDCLXVII?
2667
What is 3421 in roman numeral?
MMMCDXXI
What is DCLXII in numbers ?
662
Catch phrase for metric system?
King Henry Died By Drinking Chocolate Milk
432,000,000 in scientific notation?
4.32 x 10 ^8
105,000 in scientific notation?
1.05 x 10 ^ 5
92,000,000 in scientific notation?
9.2 x 10 ^7
0.0000000012 in scientific notation?
1.2 x 10 ^-9
0.00034
3.4 X10 ^-4
0.000054
5.4 x 10 ^-5
6.02 X 10⁷ into numbers?
60,200,000
7.66 X 10⁵ into numbers?
766,000
6.99 X 10³ into numbers?
6,990
1.023 X 10⁻⁹ into numbers?
.000000001023
2.22 X 10⁻³ into numbers?
.00222
6.05 X 10⁻⁴ into numbers?
0.000605
605.30 cm how many sig figs?
5
0.0050 cm how many sig fig?
2
905,000 mi how many sig figs?
3
1,000,000 ft how many sig figs?
1
500 ft how many sig fig?
1
7.12 mg + 6.1 mg + 7.06 mg answer with correct sig figs?
20.3 mg
100.5 mg + 110 mg answer with correct sig figs?
210 mg
31 cm X 9 cm answer with correct sig figs?
300 sq cm
The desired volume is 46 mL, but you actually measured out 48 mL. What is the percent error?
4.34%
The desire weight is 350 mg, but the actual weight is 376 mg. What is the percent error?
7.42%
The desired volume is 2.3 L, but the actual volume is 2.2 L What is the percent error?
4.34%
The desired weight is 2.5 kg, but the actual weight is 1.7 kg. What is the percent error ?
32%
The desired weight is 7.4 g, but the actual weight is 6.8 g. What is the percent error?
8.10%
How many mg in grams?
1000 mg
How many mcg in mg?
1000 mcg
How many ml in one L?
1000 ml
How many grams in 1 ounce?
30 grams
How many lbs in one kg?
2.2 lbs
How many grams in one kg?
1000 grams
How many grams in in 1 lb?
454 grams
How many ml in one fl dram?
5 ml
How many ml in 1 tsp?
5 ml
how many ml in 1 Tbs?
15 ml
How many tsp in one tbs?
3 tsp
How many oz in 1 pint?
10 oz
How many qts in Gallon?
4 qt
How many cm in one m?
100 cm
How many mm in one cm?
10 mm
How many cm in one inch?
2.54
How many kg in 502 g?
.502 kg
How many cm in 89 mm?
8.9 cm
How many g in 320mg?
.32 g
How many tsp in 3 tbs?
9 tsp
How many L in 389 ml?
.389L
How many m in 245 m?
2.45 m
How many mg in 967 mcg?
.967 mg
Another way to put mg/kg/day?
mg/kg x day
1) A patient has a prescription order for a medication that is available as 500 mg/5 mL. She is to take 400 mg. How many milliliters will she take?
4 ml
A patient has a prescription order for a medication that is available as 500 mg/5 mL. She is to take 400 mg. How many milliliters will she take?
4 ml
A patient has an order for 1500 mcg. The pharmacy has 500 mcg tablets. How many tablets will be needed to fill the order?
3 tablets
7) How many mcg of levothyroxine are contained in 2 tablets of levothyroxine 0.125 mg?
250 mcg
8) A patient has an order for 1.6 mg. The pharmacy has 0.4 mg tablets. How many tablets will be needed to fill the order?
4 tabs
1) A patient is to receive 150 mg of a drug per day divided into 3 equal doses. The drug is available in 10 mL vials of 10 mg/mL. How many mL will be administered for each dose?
5ml / dose
3) A patient is ordered 600 mg/day in 4 equal doses. The drug is available in 10 mL vials of 50 mg/mL. How many mL will the patient receive in 1 dose?
3 ml/dose
8) A patient is to receive a dosage of 34 mg/kg/day each day for 60 days. The patient weighs 196 lb. The drug is available in 20 mL vials of 200 mg/mL. How many vials will be required for the 60 day course of therapy?
46 vials
A patient is prescribed a dosage of 1 drop in each eye twice daily for 30 days. The eye drops are available in 5 mL bottles with 20 drops/mL. How many bottles will be required for the 30 days?
2 bottles
Calculate the flow rate in mL/h. -> 1000 mL infused over 5 h.
200 ml / 1h
Calculate the flow rate in mL/h. 250 mL infused over 2 h.
125 ml / 1 hr
1000 mL infused over 4 hours using an infusion set with a drop factor of 10 (10 gtts/mL).
42 gtts / min
100 mL infused over 1 hour using an infusion set with a drop factor of 10. Calculate the flow rate in gtts/min. Round to the nearest drop.
17 gtts / min
A 1000 mL bag infused at the rate of 45 mL/h. Calculate the length of time required to infuse the following volumes.
22.2 hrs
A 1 L bag infused at the rate of 50 gtts/min using an infusion set with a drop factor of 15. Calculate the length of time required to infuse the following volumes.
5 hrs
13) A patient has an order for regular insulin at the rate of 18 units/hour. The solution is 100 mL with 100 units of regular insulin. An infusion set with a drop factor of 20 is being used. What will be the flow rate in gtts/min?
6 gtts/min
Convert the following percents to numbers. 3.5%
0.035
Convert the following percents to numbers. 99%
.99
Convert the following percents to numbers.3.35%
.0335
Convert the following percents to numbers. 3%
0.03
Convert the following numbers to percents. .98
98%
Convert the following numbers to percents. 3.99
399%
Convert the following numbers to percents. 1.25
125%
Convert the following numbers to percents.0.005
5%
Express the following as percent strength solution, and include the type of solution (w/w, w/v, v/v, v/w). 7 g KCl in 200 mL?
3.5 % w/v
Express the following as percent strength solution, and include the type of solution (w/w, w/v, v/v, v/w. 3.5 g NaCl in 1000 mL?
.35% w/v
Express the following as percent strength solution, and include the type of solution (w/w, w/v, v/v, v/w. 5 mg betamethasone in 10 g betamethasone ointment?
0.05% w/w
Express the following as percent strength solution, and include the type of solution (w/w, w/v, v/v, v/w. 40 mL ETOH in 100 mL ETOH solution?
40% v/v
13) How many mg of NaCl are in 10 mL of 0.9% NaCl (normal saline)?
90 mg
How many g of KCl are in 473 mL of 20% KCl?
94.6 g
How many mg of lidocaine are in 100 mL of 1% lidocaine?
1000 mg
How many mL of ETOH are in 60 mL of 80 proof (40% ETOH) tequila?
24 ml
How many grams of active ingredient are in 500 mL of a 1:10,000 solution?
.05 g
How many grams of active ingredient are in 600 g of a 1:25 w/w preparation?
24 g
You have a 10 mL vial which is labeled 1:10,000 and are asked to draw up 0.4 mg of drug. How many mL would you draw
4 ml
You are asked to make 200 g of a 1:100 HC ointment preparation. How many grams of HC powder and how many grams of ointment base would you use?
2 g HC
You have a solution which is 1:10,000 w/v. What is the percentage strength?
0.01 % w/v
You have a 100 mL vial which is labeled 1:1000. How many mg are in 25 mL of the solution?
25 mg
How many mEq are contained in 746 mg of KCl?
10 mEq
How many mEq of calcium chloride are contained in 2 g of calcium chloride?
36 mEq
How many mEq of NaCl are in 2 L of 0.9% NaCl?
307 mEq
Hydrogen atomic mass?
1.008
Magnesium atomic mass?
24.305
Potassium atomic mass?
39.098
Bicarbonate HCO3- Formula mass?
61.0
Potassium Chloride KCl formula mass?
74.6
Potassium Chloride KCl mg/mmol & mEq/ mmol?
74.6 mg/mmol 1 mEq/mmol
Magnesium Chloride MgCl2 mg/mmol & mEq/mmol
95.3 mg/mmol 2 mEq/mmol
An order calls for 600 mL of a 17% solution. You have a 43% solution on hand. How many mL of stock solution (43%) and how many mL of diluent are needed?
237.209 ml
The pharmacy stocks a 35% solution. A doctor writes an order for 40 mL of 250 mg/mL solution. How many mL of the stock solution and how many mL of diluent are needed? Note: You can use V1C1=V2C2 even if the concentrations of the two solutions are not in the same units. Give it a try.
V2= 28.6 ml
A prescription is written for 300 mL of a 16% solution. You have a 50% solution available in the pharmacy. How many mL of the stock solution and how many mL of diluent are needed?
V2= 96 ml
A patient brings in a prescription for 60 mL of a 50 mg/mL solution. Your pharmacy stocks a 360 mg/2 mL solution. How many mL of the stock solution and how many mL of diluent are needed?
16.7 ml
Your pharmacy has a 150 mL stock bottle of 1:1000 and a 200 mL stock bottle of 8% solution of the same drug. The pharmacist mixes both bottles together, for no reason other than to make your life difficult, and asks you to prepare 300 mL of a 30 mg/mL solution. How many mL of the mixed stock solution and how many mL of diluent are needed?
195 ml
The pharmacy stocks a 15% and a 75% alcohol solution. You receive a prescription for 300 mL of a 40% alcohol solution. How many milliliters of the 15% and 75% solutions are needed?
125 ml of 75% 175 ml of 15%
An order is written for 700 mL of a 34% solution. Your pharmacy stocks a 10% and a 45% solution. How many milliliters of the 10% and 45% solutions are needed?
280 ml of 45% 220 ml of 10%
What is the percentage strength of a mixture containing 60 mL of a 10% solution and 180 mL of a 35% solution?
28.75%
You are to prepare 200 mL of 19% dextrose solution from D10W and D40W. How much of each is required? (Note: D10W = 10% dextrose in water and D40W= 40% dextrose in water).
60 ml of 40% 140 ml of 10%
The same pharmacist in problem 5 mixes 100 mL of a 6% solution, 200 mL of a 100 mg/mL solution and 1 L of a 1:100 solution together, then he measures out 10 mL of that mixture and mixes it with 120 mL of diluent. What is the percent strength of the final solution?
.22%
The label of a vial states that it contains 3 g. It also says that to make the solution 100 mg/mL, you must add 15.3 mL. What is the powder volume? *chart*
14.7 ml
An oral suspension once reconstituted will have a concentration of 250 mg/5 mL. The A.I. is 5 g with a powder volume of 14.9 mL. How much water must be added?
85.1 ml
) A bottle of amoxicillin says to add 187 mL to the bottle to get a suspension of 125 mg/5 mL. The bottle contains 5 g of amoxicillin. What is the powder volume?
13 ml
If a physician writes an order for 400 mL of D5W to be infused over a 4-hour time period, and the IV drop factor is 12 gtt/mL, how many drops per minute should be delivered?
20 gtt
