Conversion problems
Order: Toradol (ketorolac tromethamine) 15 mg IM q6h prn pain. The strength on the label is 30 mg/mL. How many milliliters will you administer?
0.5 mL
The nurse has prepared 7 mg of dexamethasone for IV administration. The label on the vial reads 10 mg/mL. How many milliliters did the nurse prepare?
0.7 ml
Order: Atropair (atropine sulfate) 0.4 mg IVP 30 minutes before surgery. The strength on the vial is 0.5 mg/ml. How many milliliters of this anticholinergic drug will you prepare?
0.8 ml
Order: heparin 5,000 units subcutaneous q12h The multidose vial label reads 10,000 units/mL. How many milliliters will you give the patient?
0.5 ml
The prescriber ordered Abilify (aripiprazole) 2 mg PO daily, increase to 5 mg after 2 days, and 10 mg after 2 more days. How many milligrams of this antipsychotic medication will the patient have received in one week?
44 mg
Order: lactulose 2.5 g/d PO prn. The strength on the label is 10 g/15 mL. How many milliliters will you prepare?
3.75 mL
An IV of 250 mL NS is infusing at 25 mL/h. The infusion began at 1800h. What time will it be completed?
0400 h the next day
How many grams of sodium chloride are needed to prepare 500 mL of a 5% solution?
25 g
Calculate the BSA of a child who is 44 inches and weighs 72 pounds.
1 m^2
The prescriber ordered Synthroid (levothyroxine sodium) 0.05 mg PO daily. The strength on the label is 25 mcg/tab. Calculate how many tablets you will administer
Order: heparin 1,000 units in 500 mL 0.9% NaCl, infuse at 100 mL/h. How many units per hour is the patient receiving?
200 units / hr
Your patient has an IV of Humulin R insulin 50 units in 500 mL of NS infusing at 12 units per hour. Calculate the flow rate in mL/h.
120 mL/h
A minimum of 1 liter is required of a 15% solution for a surgical procedure. On hand is 750 mL of a 25% solution. How many mL of sterile water must be combined with the 25% solution to produce the 1 liter needed?
250 ml
Order: vancomycin HCl 1500 mg IVPB q6h. The recommended dosage is 40 mg/kg/d. Is the prescribed dose safe for a child who weighs 77 pounds?
no
Order: Mepron (atovaquone) 750 mg oral suspension PO B.I.D for 21 days. The label reads 750 mg/5 mL. How many grams of this antiprotozoal drug will the patient receive when the dose is completed?
31.5 g
Order: Lanoxicaps (digoxin solution in capsules) 0.1 mg PO daily. The strength on the label is 50 mcg /cap. How many capsules will you administer?
2 capsules
Order: Prinivil (lisinopril) 0.07 mg/kg PO daily. The label reads 1 mg/mL. Calculate the number of milliliters of this ACE inhibitor you will administer to a child who weighs 70 pounds.
2.2 ml
A 10% KCL solution was poured into a test tube already containing a diluent. The total volume of the mixed solution in the test tube is 150 mL and the concentration is 3%. How many mL of 10% KCL solution were poured into the flask?
45 ml
Order: Dynapen (dicloxacillin sodium) mg 500 mg PO q6h. The recommended dosage range for a child with a severe infection is 50–100 mg/kg/day divided into doses given q6h. Is the prescribed dose of this antibiotic safe for a child who weighs 77 pounds?
yes
The prescriber ordered Claforan (cefotaxime) 750 mg IM q12h. The 1 g vial of Claforan is in a powder form. The package insert states for IM injection, add 3 mL of sterile water for injection for an approximate volume of 3.4 mL containing 300 mg/mL. How many milliliters will you give the patient?
2.5 ml
Order: Heparin 25,000 units IV in D5W 1,000 mL, infuse at 1,000 units/h. What is the flow rate in mL/h?
40 ml/h of heparin
The prescriber ordered ReoPro (abciximab) 0.125 mcg/kg/min IV in 250 mL NS to be infused in 12 hours for a patient who weighs 75 kg. The abciximab label reads 2 mg/mL. Calculate the flow rate in milliliters per hour.
21 ml/h
Mix 75 g of a drug in 500 mL D5W and administer 50 mg/kg/hr using an administration set of 15 gtts/mL to a patient that weighs 225 pounds. What is the concentration of the IV solution in mg per ml?
150 mg/ml
Order: D10W 1,000 mL to infuse at 75 mL/h The drop factor is 20 gtt/mL. (a) What is the rate of flow in ml/min (b) How many drops per minute will you set the IV to infuse? (c) How long will it take for the infusion to be complete?
1.25 ml/min
25 ggt/min
13 hours and 20 min
Order: Levaquin (levofloxacin) 500 mg in 100 mL D5W IVPB daily for 14 days to infuse in 1 h Calculate the flow rate in drops per minute if the drop factor is 15 gtt/mL.
25 gtt/min