Question

Dosage Calculations question #1

Order: Zafilukast 0.02g by mouth bid. Read the label and calculate one dose Label Zafirlukast 10mg tablets

Question #2 Order Furosemide 100mg PO now. Use the label below and calculate one dose

Label

Furosemide Oral Solution 40mg/5ml

Question #3 Prescribed is testosterone 40mg IM three times a week. The testosterone is supplied as a concentration of 100mg/2ml. calculate what the nurse should administer per dose.

Answer 1

#1.Given

Order:Zafilukast

Dosage:0.02g(0.02×1000=20mg)

Available:10mg/tablet

To get a dose of 20mg multiply 10 by 2

=10*2=2

Ans:2 tablets has to be given in each dose

#2.Given

Order: Furosemide

Dosage:100mg

Route:Oral

Available:40mg/5ml

When 40mg=5ml

Then 100mg=??ml

Cross multiply and divide

=100×5÷40

=500÷40

=12.5

Ans:12.5ml has to be given

#3.Given

Order: Testosterone

Frequency:Three times a week

Dose:40mg

Route:IM

Available:100mg/2ml

When 100mg=2ml

Then 40mg=??ml

Cross multiply and divide

=40×2÷100

=80÷100

=0.8

Ans:The nurse should administer0.8ml per dose.