14). A physician orders 2 g of an antibiotic to be placed in 1000 mL of D5W. Usi

Question

14). A physician orders 2 g of an antibiotic to be placed in 1000 mL of D5W. Using an injection that contain 300 mg of the antibiotic per 2 mL, how many milliliters should be added to the dextrose injection in preparing the medication order?

17). A medication order calls for acyclovir, 355 mg, to be administered by intravenous infusion over 60 minutes. A 500-mg vial of acyclovir is available that must be mixed with sterile water for injection to prepare 10 mL of injection. The proper amount is then admixed with 100 mL of normal saline solution. Calculate a). the volume to be taken from the vial of mixed acyclovir, b) the rate of infusion in mL/min, and c). the drops/minute if using an intravenous set that delivers 20 drops/mL.

19). A medication order calls for a dopamine drip at 5 mcg/min for a 185-Ib patient. The Pharmacy adds 400 mg dopamine in 250 mL of D5W. Calculate the drip rates per minute when using administration sets delivering a) 15 drops/mL, b) 20 drops/mL, and c) 60 drops/mL.

Explanation / Answer

2 g =2000 g in 1000 ml

Approximately 13.3 milliliters should be added to the dextrose injection in preparing the medication order

13.3 ml *300 mg /2ml

=1995 g

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