Conversion problems
Order: Dilaudid (hydromorphone HCl) 0.75 mg IM q4h prn moderate pain. The strength on the vial is 1 mg/mL. How many milliliters will you administer?
0.75 mL
An IV of D5/NS (1,000 mL) is infusing at 50 mL/h. The infusion started at 1300h; what time will it finish?
0900 h the next day
Calculate how many grams of sodium chloride are in 250 mL of a 0.9% NaCl solution.
2.25 g
The prescriber ordered Cordarone (amiodarone HCl) 400 mg PO b.i.d. Each tablet contains 200 mg. How many tablets will you give the patient?
2 tablets
Order: heparin 8,000 units subcut q12h. The strength on the vial is 10,000 units/mL. How many milliliters will you administer?
0.8 ml
Calculate the dosage of calcium EDTA for a patient who has a BSA of 1.47 m^2. The recommended dose is 500 mg/m^2
735 mg
Order: D5W 500 mL IV, infuse over 5 hours. Calculate the flow rate in drops per minute. The drop factor is 15 gtt/mL
25 gtt/min
How would you prepare 400 mL of 10% Clorox solution from a 100% solution?
take 40 ml of 100% clorox solution and dilute to 400 ml
Order: Solu-Cortef (hydrocortisone sodium succinate) 150 mg IM stat. The strength on the label is 250 mg/2 mL. How many milliliters will the patient receive?
1.2 ml
Order: Ticar (ticarcillin disodium) 1 g IM q6h The package insert states to reconstitute each 1g vial with 2 mL of sterile water for injection. Each 2.5 mL = 1 g. How many milliliters will you administer?
2.5 ml
A patient has an IV of 250 mL D5RL with 25,000 units of heparin infusing at 20 mL/h. How many units of heparin is the patient receiving each hour?
2000 units per hour
Order: Trandate (labetalol HCl) 20 mg IVP, give slowly over 2 min. The label strength is 5 mg/mL. (a) How many milliliters will you prepare? (b) How many mL will you administer every 15 seconds?
4 ml
0.5 ml
Order: ascorbic acid (vitamin C) 350 mg IM daily for 4 weeks. The strength on the label is 500 mg/mL. How many milliliters will you administer?
0.7 ml
Calculate the number of grams of dextrose in 250 mL of D5W.
12.5 g
Order: Norvir (ritonavir) 250 mg/m2 PO B.I.D. How many milligrams are required for a child who weighs 15 kg and is 77 cm tall?
141.6 mg
An IV of 1,000 mL D5W is infused at a rate of 40 gtt/min. How long will it take to finish if the drop factor is 20 gtt/mL?
An IV bag of 500 mL solution started at 1900. The flow rate is 38 gtts per minute, and the drop factor is 10 gtts per mL. At what time (24-hour clock) will this infusion finish?
2112 hours
A 5% solution is prepared by dissolving 8g crystals in 100 mL of distilled water. How many g would be required to make a 5% solution in 70 mL of distilled water?
The prescriber ordered Azactam (aztreonam) 1 g IV q6h for a child who has cystic fibrosis. The recommended dosage range is 50–200 mg/kg q6h (maximum 8 g/day). Is the prescribed dose safe for a child who weighs 70 pounds?
A newborn has an order for Prostin VR (alprostadil) 0.15 micrograms IV per hour to maintain patency of the ductus arteriosus. The pharmacy prepared a Prostin drip with 25 mcg alprostadil in 50 ml of D5W. What hourly rate is needed to deliver the dosage of medication as ordered
0.3 ml/h
Order:Keflex (cephalexin) oral suspension 50 mg/kg PO q6h. The label reads 125 mg/5 mL. The patient weighs 33 pounds. How many milliliters will you give?
30 ml
The prescriber ordered dopamine 2 mcg/kg/min IV for a patient who weighs 110 pounds. The label on the IV bag reads dopamine 200 mg/250 mL D5W. At what rate will you set the infusion pump in mL/h?
7.5 ml/h
A patient is instructed to soak an infected area on the sole of the foot in 8% hydrogen peroxide solution. Available is a 10% concentration of hydrogen peroxide. How many L of the 10% solution should be diluted with water to result in 1 ¾ cup of 8% hydrogen peroxide? (Round to the nearest tenth)
0.3 L
Vibramycin (doxycycline hyclate) 4.4 mg/kg IVPB daily is ordered for a child who weighs 80 pounds. The premixed IV solution bag is labeled Vibramycin 200 mg/250 mL D5W to infuse in 4 hours. a) How many milligrams of Vibramycin will the patient receive? (b) Calculate the flow rate in mL/h.
160 mg
50ml/h
Order: Lanoxin (digoxin) elixir 0.15 mg PO q12h The child weighs 70 lb and the recommended maintenance dose is 7–10 mcg/kg/day. (a) What is the minimum daily maintenance dosage in mg/day? (b) What is the maximum daily maintenance dosage in mg/day? (c) Is the dose ordered safe?
0.22 mg/d
0.32 mg/d
yes