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Exam Review

CTO1 Dosage Calculations

Total Questions : 66

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Question 1:

A physician gives the following order: "Infuse LR, 500 ml over 2 hours."

At what rate should the nurse set the IV pump to deliver this infusion (mL/hr)?

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Question 2:

Why is subcutaneous (SC) insulin usually administered into the abdomen as the preferred site?

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Question 3:

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?

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Question 4:

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?

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Question 5:

A physician gives the following order: "Infuse 0.9% sodium chloride solution, 2.5L over 15 hours."
What is the mL/hr flow rate for continuous infusion?

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Question 6:

A nurse needs to infuse esmolol into a client weighing 65 kg. The dose on hand is 2,500 mg esmolol in 250 mL of fluid. The client 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

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Question 7:

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?

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Question 8:

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?

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Question 9:

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?

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Question 10:

Under which circumstance should a pediatric medication dose calculated from an adult dose be avoided?

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Question 11:

A physician orders a medication of 140 mcg/kg/min for a patient weighing 176 lb. The infusion will last 6 min.
How many milligrams should the nurse administer to the patient?

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Question 12:

A primary healthcare provider has instructed a nurse to give 100 fl oz of fluids to a client with renal calculi. What should the nurse do while caring for this client?

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Question 13:

A mother calls a nurse to say that she lost the measuring cup that comes with the cough syrup bottle.

How many teaspoons should the nurse recommend for the child if the dose is 10 mL?

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Question 14:

How many milliliters of mouthwash does a patient use in 1 tablespoon?

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Question 15:

Which abbreviation is on the official "Do Not Use" list of the Joint Commission?

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Question 16:

Which numeric form is appropriate, according to the Joint Commission?

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Question 17:

A client weighing 60 kg reports shortness of breath, wheezing, and chest discomfort. The client is prescribed 5 mg/kg ipratropium every 12 hours. In a recall visit, the client reports taking 300 mg/day ipratropium.
What instruction should be given to the client for the effective management of asthma?

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Question 18:

Which actions should a nurse take to prevent medication errors?
Select all that apply.

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Question 19:

A physician orders Garamycin (gentamicin) 4 mg/kg/dose IV piggyback every 12 hours for a newborn
weighing 7 lb, 11.2 oz. After reconstitution, the dosage is 20 mg/10 mL.

How many milliliters should the nurse administer to the patient?

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Question 20:

Haldol (haloperidol) 5.0 mg po tid was ordered for a patient who is agitated. Which action should a nurse take before administering the medication?

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Question 21:

The nurse is confirming a pediatric dose from an adult dose sent from the pharmacy. What is an accurate
method for calculating the child's dose?

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Question 22:

A nurse documenting a wound assessment in a computer notices a client's wound measurement must be entered in inches instead of centimeters. How many inches (in.) is equal to 2.54 centimeters?

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Question 23:

Which number should be multiplied by inches in order to convert a patient's height measurement from inches to centimeters?

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Question 24:

Amoxicillin 500 mg is ordered for a patient with a sinus infection. Amoxicillin oral suspension 200 mg per 5
mL is available. How many mL should the nurse administer?

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Question 25:

A nurse-midwife orders Stadol (butorphanol) 1 mg IV push every 3-4 hours as needed for pain. The nurse
has Stadol available as 2 mg/mL injection. How many milliliters should the nurse administer to the patient?

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