Math and Calculation exam II

A patient has prescribed 5 mg of oxybutynin syrup every 12 hours. Oxybutynin syrup is available as 5 mg/5 mL. How much syrup should the nurse administer per dose?

The recommended subcutaneous dose of atropine for a child is 0.01 mg/kg, not to exceed 0.4 mg.

What is the recommended dose for a child who is 32 inches long and weighs 24 lb?

________mg

The recommended subcutaneous dose of atropine for a child is 0.01 mg/kg, not to exceed 0.4 mg.

Based on the recommended dose, what amount of drug should the nurse draw into the syringe if atropine is available as 0.5 mg/mL?

_____ ml dose

Pyridostigmine 210 mg is ordered by mouth 3 times a day. The pharmacy stocks 60-mg tablets. How many tablets should the nurse administer for one dose? _______ tablets per dose

Neostigmine is to be administered as a test for myasthenia gravis as a single dose of 0.02 mg/kg. The patient weighs 154 lb. Neostigmine is available as an injectable solution of 0.5 mg/mL. How much neostigmine should be administered to this patient?

________ mL of neostigmine

Dantrolene 2.5 mg/kg is prescribed STAT by rapid IV infusion for a 220-lb patient experiencing malignant hyperthermia after anesthesia with succinylcholine. How many mg should the nurse administer? ________ mg

A woman in cardiogenic shock is ordered an IV infusion of dopamine at a rate of 300 mcg/min. The patient weighs 154 lb. The dopamine infusion is available in a dilution of 200 mg/250 mL. The infusion pump is calculated in mL/hr. What is the flow rate that the nurse will program into the infusion pump?

Dobutamine HCl is available in a vial of 250 mg/20 mL. The prescribed dose for a patient weighing 110 lb is 250 mcg/min. What are the recommended dilution and administration rate?

Phentolamine 1 mg intravenous (IV) is ordered as prophylaxis of hypertension 1 hour prior to surgery for a child with pheochromocytoma. The drug is available in vial 5 mg/2 mL. How many mL will be administered? Is the drug administered rapidly or slowly?

Labetalol is prescribed by continuous intravenous infusion at 2 mg/min, to be adjusted by patient response. It is supplied as 200 mg/250 mL. The intravenous pump is calibrated in mL/hr. What rate will the nurse initially program into the pump? _______  mL/h

Reserpine, 500 mcg once a day, is prescribed. Available are 0.25-mg tablets. How many tablets should be administered?

Methyldopa for intravenous infusion 10 mg/mL is prepared in 5% dextrose in water. The 100-mL bag is to be infused in 30 minutes. What rate should the nurse program into the intravenous pump if it is calibrated in mL/hr?

Pramipexole 1.5 mg by mouth is prescribed. The hospital pharmacy stocks pramipexole 0.25 mg. How many tablets should the nurse administer?

Orally disintegrating selegiline 2.5 mg once a day is prescribed. Available is selegiline 1.25 mg. How many tablets will the nurse administer?

Memantine is prescribed as 5 mg by mouth in the morning (0800) and 10 mg by mouth in the evening (1800). The nurse is preparing to administer the 0800 doses. Available is memantine 2 mg/mL oral solution. How much memantine should the nurse administer, and how should the nurse measure this dose?

A patient has prescribed an initial subcutaneous dose of 8.8 mcg of interferon 1a for the first 2 weeks of therapy. The drug is supplied as 8.8 mcg/0.2 mL prefilled, single-use syringes. How much drug should the patient administer with each dose?

The nurse prepares natalizumab 300 mg/15 mL in 100 mL of normal saline solution for IV infusion. The drug is to be administered over 1 hour. How many solutions should infuse every 10 minutes of the hour?

Phenytoin mg is available as a suspension of 125 mg/mL. How much drug should be administered if the prescribed dose is 20 mg twice a day?

Diazepam 2 mg orally every 8 hours is prescribed for muscle spasms. The drug is available as 5 mg/mL. How much should the nurse administer at each dose? ______ mL

A patient is prescribed 3 mg of morphine by intravenous route every 3 hours as needed for postoperative pain. Available are vials containing 5 mg/mL. How many mL of morphine will the nurse administer at each dose?

Naloxone 10 mcg/kg is prescribed to treat respiratory depression for a 7-lb neonate. The drug is available as 0.4 mg/mL. What is the amount of naloxone that should be administered? ______ mL

Morphine 10 mg is prescribed via intravenous (IV) push. The drug book recommends administering at a rate of 4–5 mg/min. The drug is available as 10 mg/mL and has been further diluted in 10 mL normal saline. The nurse prepares to administer the drug. How much should the nurse administer every 15 seconds?

The prescriber orders 200 mg of an anti-infective medication. The dosage strength is 50 mg in 5 mL. The nurse should administer:

The prescriber orders 100 mL of magnesium sulfate 10% IV. How much magnesium will the nurse administer with this dose?

The patient has an IV 1,000 mL of D5NS infusing. Concerned about the patient’s history of diabetes, a family member asked the nurse to explain the IV solution’s components. The nurse correctly explains that the IV solution includes:

To administer to an adult Lactulose 20 g from a supply of 10 g/15 mL, the nurse should:

Dihydroergotamine mesylate is available in solution (1 mg/mL). Prescribed is 1000 micrograms intramuscular (IM). How much drug should the nurse administer? _______ mL.

Naratriptan 5 mg is prescribed. Available are 2.5-mg tablets. How many should the nurse administer?

_____ tablets

Chlorpromazine 100 mg IM three times a day is ordered. The drug will be administered in the ventrogluteal muscle. The drug is available as 25 mg/mL. How many mL should be injected at a dose?

Paroxetine CR 50 mg is prescribed once a day. Available are 25-mg and 62.5-mg CR tablets. What should the nurse administer?