Question

8. The physician prescribes Stadol 1 mg IV g4 h for a patient with a below-the-knee amputation. Stadol, 2 mg per mi, is available. How many milliliters will the nurse administer? 9. The physician orders heparin 2500 U SQ 912 h for your patient with a jejunostomy. You have heparin, 5000 U per mL, available. How many milliliters will you administer? 10. The physician has ordered Gantrisin 2 g po stat. Gantrisin is supplied in 500-mg tablets. How many tablets will the nurse administer? 1286 GANTRISIN EXPIRES E USUAL DOSAGE: For dosage recommendations and other important prescribing information, read accompanying insert Dispense in tight, light-resistant containers as defined in USP/NE STORE AT 59" TO B ROCHE LOT 11. A patient with an infection has Timentin 3.1 g q6h IVPB ordered. The Timentin is dissolved in 100 mL of DSW and is to be infused over 1 hour. The tubing drop factor is 20 gtt/mL. At what rate, in drops per minute, should the IVPB be programmed?

Answer 1

8.Given

Order:Stadol

Dose:1 mg

Route:IV

Frequency:4 hourly

Available:2mg/ml (that is 2mg=1ml)

When 2mg=1 ml

Then 1mg=??ml

Cross multiply and divide

=1×1÷2

=1÷2

=0.5

Ans:The nurse should administer 0.5ml

9.Given

Order:Heparin

Dose:2500U

Route:SQ

Frequency:Twice a day

Available:5000U/ml(that is 5000 U =1 ml)

When 5000 U =1 ml

Then 2500 U =??ml

Cross multiply and divide

=2500×1÷5000

=2500÷5000

=0.5

Ans:0.5 ml should be administered

10.Given

Order:Gantrisin

Dose:2 g (2000mg =1000×2)

Route:oral

Frequency:stat

Available:500mg tablets (that is 500mg=1 tablet)

When 500mg=1 tablet

Then 2000mg=? tablet

Cross multiply and divide

=2000×1÷500

=2000÷500

=4

Ans:The nurse will administer 4 tablets

11.Given

Order:Timentin

Dose:3.1g

Route:IVPB

Frequency:six hourly

Drop factor:20gtt/ml

Volume:100ml

Time 1 hour (60 minutes)

Flow rate(drops per min)=volume (ml)÷Minutes×drop factor

=100÷60×20

=1.66×20

=33

Ans:The IVPB should be programmed at 33 drops per minute