Medical Math Final Exam Review

Ordered Lasix 10 g IV push now. Available: 13,000,000 mcg in 5 mL. How much will the nurse draw up?

• 2 mL

• 26000000 mL

• 26 mL

• 3.8 mL

Ordered 0.00079 kL D5W IV to infuse in 300 min by infusion pump. What is the IV flow rate in mL/hr?

• 158 mL/hr

• 2.63 mL/hr

• 0.237 mL/hr

• 237 mL/hr

Calculate the IV flow rate for 197,000 mcL of NS to be infused in 16 hr. The infusion set is calibrated for a drop factor of 20 gtts/mL. What is the IV flow rate in gtts/min?

• 0.24 gtts/min

• 4.1 gtts/min

• 157.6 gtts/min

• 157600 gtts/min

Give patient 20 mg of dopamine in 288 mL of D5W to be infused at a rate of 5 mg/hr. Calculate the flow rate in mL/hr.

• 5 mL/hr

• 14.4 mL/hr

• 57.6 mL/hr

• 72 mL/hr

Solumedrol 1.5 mg/kg is ordered for a child weighing 27 lb. Solumedrol is available as 75 mg / 2 mL is available. How many mL must the nurse administer?

• 0.49 mL

• 1.08 mL

• 1.5 mL

• 2 mL

Phenytoin (Dilantin), 0.012 kg PO, is ordered to be given through a nasogastric tube. Phenytoin is available as 16 g / 11 mL. How much would the nurse administer?

• .00825 mL

• 8.25 mL

• 11 mL

• 16 mL

Potassium chloride is available as 18,000 mg per tablet. Potassium Chloride (K-Dur), 18,000,000 mcg, is ordered. How many tablets would the nurse administer?

• 0.5 tablet

• 1 tablet

• 5 tablets

• 10 tablets

Solumedrol 2.5 mg/kg is ordered for a child weighing 21 kg. Solumedrol is available as 125 mg / 2 mL is available. How many mL must the nurse administer?

• 0.38 mL

• 0.84 mL

• 2 mL

• 2.5 mL

Metroprolol (Lopressor), 21 g PO, is ordered. Metropolol is available as 14,000,000 mcg tablets. How many tablets would the nurse administer?

• 0.5 tablet

• 1 tablet

• 1.5 tablets

• 2 tablets

Calculate the IV flow rate for 395 mL of 0.9% NaCl IV over 162 min. Infusion set has drop factor of 61 gtts/mL. What is the IV flow rate in gtts/min?

• 0.04 gtts/min

• 148.7 gtts/min

• 395 gtts/min

• 1049 gtts/min