Chapter 4 Practice Medication Problems

Question 1

Ordered is 0.75 g to be administered orally. Available is 125mg/2mL. How much do you administer?

Answer 1

12mL

Question 2

You have 1 g of medication in 3mL of solution. You need to administer 150mg. What volume should you adminster?

Answer 2

0.45mL

Question 3

The doctor has prescribed acetylsalicylic acid 900mg. You have 300mg in each tablet. How many tablets hould be administered?

Answer 3

3 tablets.

Question 4

The doctor has ordered 1500mL of 5% dextrose to be infused over 12 hours. The calibration of the giving set is 20 d/mL. How many mL/hr do you need to infuse?

Answer 4

125mL/hr

Question 5

A patient has been ordered 1 L of normal saline over 12 hours. You are using a line that has calibration of 20 d/mL. At what rate should you run this infusion?

Answer 5

28 d/mL

Question 6

A child who weighs 15kg is ordered roxythromycin 6mg/kg/day 12 hourly. How should you give this in a single dose?

Answer 6

45 mg

Question 7

Convert the following from mg to microg:

a: 20mg
b: 34mg
c: 700mg
d: 0.650mg

Answer 7

a: 20,000 mcg
b: 34,000 mcg
c: 700,000 mcg
d: 650 mcg

Question 8

Your patient is ordered nitroglycerine for chest pain. You have on hand 100mg in 250ml. The order states to begin infusion at a rate of 20 microg/min. What rate should you set in mL/hr?

Answer 8

3mL/hr

Question 9

You need to administer 375 mg. You have 125 mg in 5 mL. How much should you administer.

Answer 9

15mL

Question 10

The patient is ordered 500 mL of albumin over two hours. How many millilitres per hour should be administered?

Answer 10

250mL/hr

Question 11

The patient has returned from theatre and has 380 mL left to be infused. This has been ordered to be infused over four hours. The giving set is calibrated at 20 d/mL. At what rate should this now be set?

Answer 11

32 d/min

Question 12

Convert the following:

a: 3.1 L = ml
b: 650 mg = microg
c: 503 mL = L
d: 70mg = g
e: 2.0 g = mg
f: 315 microg = g
g: 1500 mL = L
h: 3.9 kg = g
i: 1325 g = kg
j: 0.0564 kg = microg

Answer 12

a: 3100 mL
b: 650, 000 mcg
c: 0.503 L
d: 0.07 g
e: 2900 mg
f: 0.000315 g
g: 1.5 L
h: 3900 g
i: 1.325 kg
j: 56 400 000 microg

Question 13

A child weighing 17.5kg is prescribed vancomycin (IV)

40 mg/kg/day 6 hourly. How much should you administer?

Answer 13

175mg

Question 14

A client is receiving 250 mL of 5% dextrose that contains 250mg of amiNOPHYLLine. The prescription is for 0.006mL/kg per minute and the client weighs 71 kg. Calculate the flow rate in mL/hr.

Answer 14

26mL/hr

Question 15

Ordered is 100 microg. The stock is 0.4 mg/mL. What is the volume to be administered?

Answer 15

0.25 mL