Math

Question 1

Convert 5,000 mcg to mg

Answer 1

mcg → mg → g → kg ( ÷ by 1,000 )

5,000 mcg ÷ 1,000 = 5 mg

Question 2

Convert 44 lb to kg.

Answer 2

lb → kg ( ÷ by 2.2 )

44 lb ÷ 2.2 = 20 kg

Question 3

Convert 0.003 L to mcL

Answer 3

mcL ← mL ← L ← kL ( x by 1,000 )
0.003 L x 1,000 = 3 mL
3 mL x 1,000 = 3,000 mcL

Question 4

Convert 5 hours to minutes

Answer 4

min ← hr ( x by 60 )

5 hr x 60 = 300 min

Question 5

Metroprolol (Lopressor), 25 mg PO, is ordered. Metropolol is available as 50 mg tablets. How many tablets would the nurse administer?

Answer 5

Ordered
Have
 =  Y (Tablets Required)
25 mg
50 mg
 =  0.5 tablets

Question 6

Potassium chloride is available as 10 mg per tablet. Potassium Chloride (K-Dur), 40 mg, is ordered. How many tablets would the nurse administer?

Answer 6

Ordered
Have
 =  Y (Tablets Required)
40 mg
10 mg
 =  4 tablets

Question 7

Question: Solumedrol 2.5 mg/kg is ordered for a child weighing 21 kg. Solumedrol is available as 125 mg / 3 mL is available. How many mL must the nurse administer?

Answer 7

Your answer:
Correct answer: 1.26 mL

Go to Next Question

Did you remember to include the correct units? The following shows how to answer this Dosage By Weight Question.

Solumedrol 2.5 mg/kg is ordered for a child weighing 21 kg. Solumedrol is available as 125 mg / 3 mL is available. How many mL must the nurse administer?

Question 8

What volume is required for an injection if 750mg are ordered and stock ampules contain 200mg/ml?

Answer 8

What volume is required for an injection if 750mg are ordered and stock ampules contain 200mg/ml? 3.8mL

Question 9

A dose of 2g of medication has ordered for a patient. The medication comes in 4g/0.4mL. What volume will you give the patient?

Answer 9

A dose of 2g of medication has ordered for a patient. The medication comes in 4g/0.4mL. What volume will you give the patient? 0.2mL

Question 10

A dose of 4500mg of medication has ordered for a patient. The medication comes in 5g/0.3mL. What volume will you give the patient?

Answer 10

A dose of 4500mg of medication has ordered for a patient. The medication comes in 5g/0.3mL. What volume will you give the patient? 0.270.3mL

Question 11

A dose of 3500mg of medication has ordered for a patient. The medication comes in 5g/2mL. What volume will you give the patient?

Answer 11

A dose of 3500mg of medication has ordered for a patient. The medication comes in 5g/2mL. What volume will you give the patient? 1.4mL

Question 12

A patient weighs 45kg and is prescribed a medication for 3mg/kg/dose. The stock strength is 2mg/0.5mL. What volume will you give the patient?

Answer 12

A patient weighs 45kg and is prescribed a medication for 3mg/kg/dose. The stock strength is 2mg/0.5mL. What volume will you give the patient? 33.7533.8mL

Question 13

A patient needs 2g of a medication. It comes in 250mg doses. How many doses need to be administered? How many hours will it take if the patient can have one dose every 6 hours?

Answer 13

8 doses, 48

hours

Question 14

A patient needs 3g of a medication that comes in 15mg/mL. How much
6 of the solution will be given?

Answer 14

A patient needs 3g of a medication that comes in 15mg/mL. How much of the solution will be given?

Question 15

The dose to be given of a medication is 5mg. The stock strength is 1mg/4mL. Calculate the mL needed to deliver the medication.

Answer 15

20mL