Dosage Calculations
27. A baby weighs 3.2 kg. The dose calls for 0.4 mg/kg. What is the dosage?
Drug Calculations
28. How much active ingredient in 20 cc of a 15% solution?
29. You have 1:1000 concentration of epinephrine. How many mLs do you need to draw up if you want to
give 45 mg of the drug?
30. How many mg of an active ingredient are in 4 mL of a 0.4% solution?
31. How many mLs do you need to give to get 20 mg of a 350mg/20mL dose?
32. Albuterol syrup is available in 2mg/5 mL. How much do you take if 6 mg is ordered?
33. Promazine HCL comes as 500 mg/10 mL. How many milliliters are needed to give a 150 mg dose?
34. 4 mg of morphine sulfate is ordered. you have a vial with 10mg/mL. How many mLs do you need to
deliver?
35. Albuterol syrup is available in a 2 mg/ 5 mL concentration. If a dose schedule of 0.1 mg/kg is used, how
much syrup is needed for a 30 kg. child?
36. A pediatric dose of oxytetracycline of 100 mg is ordered. The dosage form is an oral suspension
containing 125 mg/5cc. How much of the suspension contains a 100 mg does?
37. Epinephrine 1:100 is available. How many milliliters of epinephrine would be needed to contain 30 mg
of active ingredient?
Pharmacology
Drug Calculation
38. A dose of 0.4 mL of epinephrine HCl 1:100 is ordered. This dose contains how many milligrams of
epinephrine HCl?
39. If you administer 3 mL of a 0.1% strength solution, how many milligrams of active ingredient have you
given?
40. A drug is available as a 1:200 solution and the max dose that may be given by aerosol is 3 mg. What is
the maximal amount of solution that may be used?
41. The doctor orders 25 cc of 8% Mucomyst. You have a 20% vial of Mucomyst. How many mL do you
withdraw from the 20% vial and how many mL of normal saline do you add?
Drug Calculations
Identify the letter of the choice that best completes the statement or answers the question.
____ 42. 30 mL of an ordered drug contains 20 mg of active ingredient. If the physician ordered 12 mg to be
delivered, how many milliliters would you need to give?
a. 12 c. 20
b. 18 d. 30
____ 43. A physician orders 5 mL of a drug to be given to a patient. The drug is supplied in a dose of 10 mg in 20
mL of a solution. How many milligrams would you be delivering?
a. 2.5 c. 7.5
b. 5.0 d. 10
____ 44. Exosurf, a surfactant agent, is administered on a dosage schedule of 5 mL per kilogram of body weight. If
a premature infant weighs 1400 g, how many milliliters should be administered?
a. 5 c. 9
b. 7 d. 11
Pharmacology
Drug Calculation
____ 45. A 0.5% Albuterol solution means:
a. 0.5 g in 1 mL c. 0.5 g in 100 mL
b. 0.5 mg in 10 mLd. 0.5 g in 10 mL
____ 46. Bronkosol comes in a 1% solution. If you deliver 0.5 mL of Bronkosol, how many milligrams are you
delivering?
a. 0.5 c. 10
b. 5 d. 25
____ 47. Alupent comes in a 5% solution. If the physician orders 10 mg to be delivered per treatment, how many
cc would you use?
a. 0.1 c. 0.3
b. 0.2 d. 0.5
____ 48. Atrovent is supplied in a 0.02% solution. If you deliver 2.5 mL to your patient, how many milligrams are
you giving?
a. 0.02 c. 1.0
b. 0.5 d. 2.0
____ 49.
Dopamine is used in shock to maintain blood pressure and increase cardiac output. In the ICU, dopamine is being given
IV at a dose of 12 µg/kg/min. The patient weighs 75 kg and the solution used is 200 mg of dopamine in 250 mL of 5%
dextrose in H2O (D5W). The drop factor is 16 drops/mL. What drip rate needs to be set?
a. 16 c. 20
b. 18 d. 22