Pharmacy Calculations
Caleb dropped off his prescription for his cholesterol. What is the strength of the medication in grams? Simvastatin 80mg 1 po qd #90
0.08g
How many mL of folic acid 5mg/mL must be drawn into a syringe to equal 3mg?
0.6mL
Calculate how many mL you will dispense for the following prescription. Magic Mouthwash Swish and spit 15mL po q4h x 12 days
1,080mL
You have 95g of active drug. How many grams of ointment base do you need to create a 1:15 ointment?
1,425g
Jamal is ordered acyclovir. The dosage range is 40-80mg/kg in 3 divided doses. He weights 37kg. What is the range in mg that Jamal can safely take per day?
1,480-2,960mg
The prescriber ordered ceftriaxone 250mg IM. How many mL will you need if you use ceftriaxone 500mg/2.4mL?
1.2mL
Calculate how many mL the patient will receive for the following order: Demerol 90mg IM solution On hand: Demerol 25mg/0.5mL solution
1.8mL
Mr. Smith brings in a prescription for his son: Augmentin ES 600mg/5mL 3.75mL po bid Disp: 75mL What days' supply would you input on this prescription?
10 days
The Arabic number for the Roman numeral C is:
100
Dr Joseph orders Biaxin 7.5mg/kg in two divided doses. If the child weighs 60lb, how many mg will the child get in each dose? Record to the nearest mg.
102mg
A patient is ordered potassium chloride 20mEq in 1,000mL normal saline. How many mL will you need for the order if your pharmacy stocks potassium chloride 2mEq/mL concentrated solution?
10mL
Acyclovir 200mg/5mL suspenseion 1 tbsp po kid x 5d How many ounces will be dispensed to the patient?
10oz
Mr. Parot weights 209 lbs and is prescribed a med with a dosage of 120mg/kg in 4 divided doses. How many mg will Mr. Parot receive per day?
11,400mg
A liquid contains 12.5mL of active ingredient and 2,000mL of product. What is the ratio strength for the liquid mixture?
12.5:2,000
If the pharmacy stocks sodium chloride 4mEq/mL, how many mEq of sodium chloride are in 30mL?
120mEq
Calculate how many mL of vancomycin you'll draw up for the following order: Order: Vancomycin Give 1,500mg IV prior to procedure On hand: Vancomycin 0.1g/mL
15mL
How many ounces are in 1 lb?
16oz
Alecia is ordered cefprozil 7.5mg/kg PO every 12 hours for 10 days. She weights 23kg. How many mg will Alicia receive per dose?
172.5mg
Ms. .Green uses Lantus U-100, 0.52mL at bedtime. How many days will one 10mL vial last?
19 days
Select the correct way to express 1:5 and 9:20 as a proportion
1:5 = 9:20
A 1:100 solution contains how much solid active ingredient in how much solution?
1g in 100mL
You receive the following order: Heparin 10,000units in 1L DSNS Your pharmacy is out of heparin 10,000units/mL. How many mL will you dispense of heparin 5,000units/mL?
2
You need 4.7g of solution. The pharmacy has in stock 10g/5mL solution. How many mL will you need?
2.35mL
Ms. Weatherford brings in a prescription to the pharmacy. Toujeo Max SoloStar 300units/mL 45 units SC QD 3mL pen How many days will the pen last?
20 days
A cream contains 20g of active ingredient in 60g of cream base. What are the ratio strength?
20:60
A drug is available as 175mg/5mL. If the doctor ordered 700mg, how many mL are needed per dose?
20mL
You receive a prescription for Clindamycin 300mg po q8h. How many mL will the patient receive per dose? If the pharmacy has Clindamycin 75mg/5mL in stock?
20mL
How many drams are in 3oz?
24
Triamcinolone 0.1% cream AAA bid Disp: 1 oz How many grams will be dispensed?
28.35g
The pharmacy has a 25g per 100g cream. You need to make the same cream with 75g of active drug. How many grams of crease base will be needed?
300
A 30:90 liquid contains how much liquid active ingredient in how much solution?
30mL in 90mL
A patient brings in the following prescription: Warfarin 7.5mg Take 1 tablet daily on days Sunday, Wednesday, Friday. Take 0.5 tablet on days Monday, Tuesday, Thursday, Saturday. What is the patient's weekly dose of warfarin?
37.5mg
Mrs. Shapiro brings the following prescription: Prednisone 10mg tabs Sig: iv tabs po qd Disp: 56 tabs How many tablets will the patient take per dose?
4
Ms. Garza is prescribed a med with a dosage of 2.5mg/kg BID. If she weights 176lb, how much mg will Ms. Garza receive per day?
400mg
Mr. .Larson dropped off his prescription for pick up later today.. Based on the following prescription, calculate the maximum amount of tablets you will dispense to Mr. Larson/ Metoclopramide 10mg 1 tab po q8-12h ac x 2 weeks
42 tablets
Calculate the day's supply for the following prescription. Zofran 4mg Sig: 1 po q4-6h pro nausea #30 tabs
5 days
Calculate the quantity to dispense for the following prescription Zithromax 250mg 2 tabs po QD for 3 days
6 tablets
A 6:240 cream contains how much solid active ingredient in how much cream base?
6g in 240g
What is the day's supply for the following prescription. Promethazine DM syrup 5mL po q4-6h prn Qty: 240mL
8 days
GoLytely Use as directed prior to colonoscopy #1 gallon How many pints are in 1-gallon container of GoLytely?
8 pints
A cream mixture contains 8g of active ingredient and 75g of cream base. What is the ratio strength for the cream mixture?
8:75
How many drams are in one ounce?
8drams
A patient brings in a prescription to take 5mL of a heartburn medication once daily. The bottle contains 480mL. How many total doses dose the bottle contain?
96
What is the Roman numeral for the Arabic number 507?
DVII
Mrs. Gold brings in a prescription for her daughter, Jessica. What question should you ask Mrs. Gold in order to calculate Jessica's dosage.
How much does Jessica weigh?
What is the Roman numeral for 60?
LX
Your pharmacy receives a bottle of 1,000 lisinopril 10mg tablets. What is the Roman numeral for the amount of lisinopril your pharmacy received?
M
Why is accurately calculating days' supply important?
ensure proper billing to the insurance