Dosage Calculations Exam 2
Total Questions : 69
Showing 25 questions, Sign in for moreA physician orders a medication 140 mcg/kg/min for a patient weighing 60 kg. The infusion rate is 10 mL/h. How many milligrams should the nurse administer to the patient?
A physician orders magnesium sulfate, 6 grams loading dose to be administered over 30 minutes. There are 40 grams of magnesium sulfate in 1 liter of lactated Ringers solution.
What is the rate per hour to administer the loading dose?
A patient is receiving an IV of esmolol 2.5 grams in 250 mL of D5W (dextrose 5% in water) infusing at 200 micrograms/kilogram/minute. The patient weighs 110 lb. What rate (in mL/hr) should the nurse program into the IV pump to deliver this dose?
Why is subcutaneous (SC) insulin usually administered into the abdomen as the preferred site?
A physician ordered magnesium sulfate 2 grams per hour for a maintenance dose. There are 40 grams of magnesium sulfate in 1 liter of lactated Ringers solution.
What is the rate per hour to administer the maintenance dose?
A nurse, via an infusion pump, sets up an infusion rate ratio of 2.75 mL/min for a continuous intravenous (IV) fluid for 7 hours.
What is the total volume of IV fluid being infused, in liters?
A primary healthcare provider prescribes 1.5 L of normal saline (NS) to be given over 24 hours for continuous intravenous (IV) infusion to a client who has diarrhea.
What should be the rate of infusion that is required to be set in the infusion pump?
A nurse needs to infuse esmolol to a patient weighing 65 kg. The dose on hand is 2,500 mg esmolol in 250 mL of fluid. The patient requires a dose of 200 mcg/kg/min to control a hypertensive crisis. Which rate should the nurse calculate to infuse this medication? Round to the nearest whole number.
A physician orders Dobutamine 10 mcg/kg/min for a patient. The patient is 110 lb. How many milligrams per hour should the patient receive?
A nurse is preparing to administer 1 L of 0.9% sodium chloride solution to a client over 6 hours. The intravenous (IV) fluid has a drop factor of 15 gt/mL. What will be the gt/min flow rate?
A healthcare provider orders nitroprusside (100 mg/1 mL) 3 mcg/kg/minute for a patient weighing 154 lb. What rate (mL/hr) should the nurse program into the IV pump?
A healthcare provider orders nitroprusside (100 mcg/1 mL) 3 mcg/kg/minute for a patient weighing 154 lb.
What rate (mL/hr) should the nurse program into the IV pump?
Under which circumstance should a pediatric medication dose calculated from an adult dose be avoided?
A patient is receiving an IV of 500 mL of D5W (dextrose 5% in water).
How many grams (g) of dextrose are contained in this IV solution?
A primary healthcare provider prescribes 14 units of insulin to a client.
What should a nurse do while administering this medication to the client?
A nurse will administer Zofran (ondansetron) 0.15 mg/kg over 15 minutes. The patient weighs 176 lb. The nurse receives the medication from the pharmacy mixed in 50 mL of normal saline.
How should the nurse set the IV pump to deliver the correct dose?
Nitroglycerin 125 mg diluted in 500 mL of D5W (dextrose 5% in water) is infusing at a rate of 42 mcg/minute for a patient with chest pain.
What rate (in mL/hr) should the nurse program into the IV pump to deliver this dose? Round your answer to the nearest tenth.
An order is received for Principen (ampicillin) 25 mg/kg IV for a toddler who weighs 22 lb. The dose is to be infused over 30 minutes. The ampicillin dose arrives from the pharmacy prepared in 50 mL of solution.
How many milliliters per hour should be administered?
A patient is ordered 5 mg of IV Lopressor (metoprolol tartrate) to be administered over 60 seconds. The concentration is 1 mg/1 mL.
How many milliliters per minute should the nurse administer to the patient?
A patient with deep vein thrombosis has heparin ordered. Heparin 25,000 units in 250 mL of D5W infuses at a rate of 12 mL/hr from 9:00 am to 11:00 am and 10 mL/hr from 11:00 am to 2:00 pm.
What is the total amount of heparin, in units, that the patient received from 9:00 am to 2:00 pm?
A patient is ordered 5 mg of IV Lopressor (metoprolol tartrate) to be administered over 2 minutes. The concentration is 1 mg/1 mL.
How many milligrams per minute should the patient receive?
After assessing a client, a primary healthcare provider prescribes diphenhydramine 25 mg IV STAT for anaphylaxis. The pharmacy supplies a vial with a concentration of 50 mg/mL.
How much and when should a nurse administer this medication?
What is the correct angle for giving an intradermal injection?
A client is receiving an intravenous infusion of 1.5 L of saline solution at a rate of 75 mL/hr.
How many hours will it take to finish the infusion at the current rate?
The patient needs both regular insulin and NPH insulin to be administered subcutaneously. The nurse will mix both insulins in the same syringe.
What is the correct technique for preparing this insulin order?
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