Question

1. Allopurinol 400 mg IV is prescribed for the client with tumor lysis syndrome. The medication vial contains 500 mg per 25 ml. How many milliliters of medication should the nurse prepare?

2. The patient is to receive cefazolin 500 mg in 50 ml of NS IVPB. The medication is to be infused over 20 minutes. The nurse should set the infusion pump to deliver how many milliliters per hour?

3.The nurse prepares to administer naloxone 0.4 mg IV to the patient experiencing respiratory depression. Naloxone is supplied in a 1 mg/ml vial. How many milliliters should the nurse administer

4.The patient, admitted to the ED, is prescribed to receive 0.5 mg epinephrine subcutaneously for the treatment of a severe asthma attack. The medication for injection is supplied in a vial that contains 5 mg/ml. How many milliliters of epinephrine should the nurse administer?

5. The HCP prescribes 1200 ml of TPN solution be administered over 24 hours for the homebound client. The home health nurse should instruct the client to set the infusion pump to deliver how many ml per hour?

Answer 1

1.Prescribed Allopurinol = 400 mg iv

Available dose =500mg/25 ml

Amount of medicine to be given =( Desired dose$\div$ Available dose) x volume

= (400$\div$500) x 25

= 0.8 x 25 =20 ml

2.Prescribed dose = Cefazolin 500mg in 50 ml of NS

Time = 20 minutes =

ml/hour = Total iv volume $\div$ time in hours

= 50$\div$(20 $\div$ 60)

= 50 $\div$ 0.33 =151.15 ml/hour

3.Prescribed dose =0.4 mg Naloxone iv

Available dose = 1mg/ml

Amount of Naloxone to be given =( Desired dose$\div$ Available dose) x volume

=(0.4$\div$1) x 1

= 0.4 ml

4.Prescribed dose = 0.5 mg epinephrine subcutaneously

Available dose = 5 mg/ml

Amount of drug to be given = ( Desired dose$\div$​​​​​​​ Available dose) x volume

= (0.5$\div$5) x 1

= 0.1 ml

5.Prescribed dose = 1200ml in 24 hours

ml/hour =Total volume$\div$Time in hours

= 1200$\div$ 24

= 50 ml/hour