Math 1
Take 1 tablet PO BID. Dispense #60. What is the days’ supply?
30 DAYS
A patient weighs 176 lb. Approximately how many kilograms does the patient weigh?
80 kg
A child weighs 10 kg. The prescribed dose is 10 mg/kg. How many mg should the child receive?
100 mg
A 5 mL bottle contains approximately 20 drops per mL.
Directions: 1 drop in each eye BID.
What is the approximate days’ supply?
25
An inhaler contains 120 puffs.
SIG: Inhale 2 puffs BID.
What is the days’ supply?
30 days
prescription requires 2.5 g of medication. How many milligrams is this?
2500mg
A medication is ordered at 10 mg/kg. The patient weighs 44 lb. How many milligrams should the patient receive?
200 mg
A 1,000 mL IV bag must infuse over 8 hours. What is the flow rate in mL/hr?
125 mL/hr
A 500 mL IV bag must infuse over 4 hours.
What is the rate in mL/hr?
125
A patient receives 2 inhalers, and each inhaler contains 120 puffs.
SIG: Inhale 2 puffs BID.
What is the total days’ supply?
60 days
Take 5 mL PO TID. Dispense 150 mL. What is the days’ supply?
10 days
Amoxicillin suspension contains 250 mg/5 mL. The prescription calls for 500 mg per dose. How many mL should be given per dose?
10 mL
A 1,000 mL IV bag must infuse over 12 hours. What is the flow rate in mL/hr? Round to the nearest whole number.
Answer: 83 mL/hr
An inhaler contains 200 puffs.
Directions: 2 puffs BID.
What is the days’ supply?
50 days
Prednisone directions:
Take 3 tablets daily for 3 days, then 2 tablets daily for 3 days, then 1 tablet daily for 3 days.
How many tablets should be dispensed?
18 tablets
Take 1.5 tablets PO BID for 10 days. How many tablets should be dispensed?
30 tablets
A patient injects 25 units of insulin daily. One vial contains 1,000 units. What is the calculated days’ supply?
40 days
A 250 mL IV bag must infuse over 2.5 hours. What is the flow rate in mL/hr?
100 mL/hr
Question: A 500 mL IV is to infuse over 4 hours. The tubing has a drop factor of 15 gtt/mL. What is the flow rate in gtt/min?
31 gtt/min
A child weighs 66 lb. The prescription is:
Amoxicillin 30 mg/kg/day divided TID × 10 days
Available: Amoxicillin 250 mg/5 mL
How many mL should be dispensed for the entire prescription?
66 ÷ 2.2 = 30 kg
30 × 30 = 900 mg/day
900 ÷ 3 = 300 mg/dose
300 mg ÷ 250 mg × 5 mL = 6 mL/dose
6 mL × 3 doses/day × 10 days = 180 mL
A 10 mL bottle contains approximately 20 drops/mL. The directions are 1 drop in each eye BID. Approximately how many days will the bottle last?
50 days
Take 2 tsp PO BID for 7 days.
140 mL
A child weighs 66 lb. The prescribed dose is 15 mg/kg/day divided into 3 equal doses.
How many milligrams should the child receive PER DOSE?
150 mg per dose
66 ÷ 2.2 = 30 kg
30 kg × 15 mg/kg/day = 450 mg/day
450 ÷ 3 = 150 mg per dose
A child weighs 44 lb. The medication is ordered at 10 mg/kg per dose. The pharmacy has 250 mg/5 mL.
How many mL should be given per dose?
4ml
44 ÷ 2.2 = 20 kg
20 × 10 = 200 mg
250 mg/5 mL = 50 mg/mL
200 ÷ 50 = 4 mL
A child weighs 33 lb. The medication is ordered at 30 mg/kg/day divided TID. The pharmacy has 150 mg/5 mL.
How many mL should be given per dose?
Answer: 2.5 mL
33 ÷ 2.2 = 15 kg
15 × 30 = 450 mg/day
450 ÷ 3 = 150 mg/dose
150 mg = 5 mL