The nurse is preparing 0900 medications for Patients A, B, C, and D.

Patient A: Order: vemurafenib 0.96 g PO daily; Available: 240 mg tablets

Patient B: Order: colchicine 1.2 mg PO today; Available: 0.6 mg tablets

Patient C: Order: citalopram 20 mg PO daily; Available: 10 mg/5 mL

Patient D: Order: ceftazidime 1 g IV every 12 hr; Available: 1 g/50 mL

Which of the following orders will require the nurse to do a conversion before administering the ordered 0900 medication?

Patient A

Patient B

Patient C

Patient D

Answer and Explanation

The Correct Answer is C

A. Patient A: The ordered dose is 0.96 g (960 mg) and the available tablets are 240 mg. The nurse can calculate the number of tablets needed directly (960 ÷ 240 = 4 tablets) without converting units, so no additional conversion is required.

B. Patient B: The order is 1.2 mg and the available tablets are 0.6 mg. The nurse can determine the number of tablets by simple division (1.2 ÷ 0.6 = 2 tablets) without unit conversion.

C. Patient C: The ordered dose is 20 mg, but the available medication is 10 mg/5 mL. The nurse must convert the desired dose into the corresponding volume (mL) to administer the correct amount orally, requiring a unit conversion.

D. Patient D: The order is 1 g IV, and the available concentration is 1 g/50 mL. Since the dose and available concentration are both in grams, the nurse can administer 50 mL directly, and no conversion between units is needed.

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Free Nursing Study Resources

Correct Answer is D

Explanation

A. Ondansetron 4 mg IVP stat: This is a standard antiemetic order with a clear dose, route, and timing. There is no ambiguity, so clarification is not required before administration.

B. Benadryl 50 mg PO PRN every 6 hr for itching: The dose, route, and frequency are clearly specified, and PRN parameters are provided. The order is safe to administer as written.

C. Enoxaparin 80 mg SUBQ every 12 hours: This is a typical prophylactic or therapeutic anticoagulant dose with a clear route and schedule. No immediate clarification is needed unless there are patient-specific concerns.

D. Regular insulin 5 u SUBQ now: Insulin orders, especially when written with “u” for units, carry a high risk of dosing errors. The nurse should clarify with the prescriber or pharmacy to confirm the dose and prevent potential hypoglycemia.

A. 500 B. 5,000 C. 0.005 D. 0.05

Correct Answer is B

Explanation

Given volume = 5 liters (L)

Conversion factor: 1 Liter (L) = 1,000 milliliters (mL)

Calculate the volume in milliliters (mL).

Volume (mL) = Volume in L x Conversion factor

= 5 L x 1,000 mL/L

= 5,000 mL

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Naxlex Comprehensive Predictor Exams

When practicing safety in the administration of medication, the nurse is correct to seek clarification prior to the administration of which of the following medication orders?

Correct Answer is D

Explanation

The patient receives 5 liters of fluid. The nurse correctly records that the patient has received ______ mL.

Correct Answer is B

Explanation

The order is for amoxicillin oral suspension 3 tsp every 12 hours. To help the patient take the medication using a medicine cup with household measurements, the nurse tells the patient that will provide the ordered dose.

The nurse informs the patient that 2,000 milliliters of fluid was given during the day shift. The amount that correctly reflects the total liters given is:

The nurse is preparing to record the patient's weight (80 lb) in kilogram (kg). Which of the following equivalent measurements would the nurse use to convert pounds to kilograms?

The medication order is to administer 0.1 mL of a drug intradermally. The nurse demonstrates proper administration of the drug when the drug is:

The nurse is reviewing the following equivalent measurements. Which of the following is a household to metric measurement? Household Measurements 3 tsp = 1 tbsp 6 tsp = 2 tbsp 2 tbsp = 1 oz 1 tbsp = 15 mL

The nurse reads the following abbreviations. Which abbreviation would the nurse question?

The medication order is for 325 mg of an oral suspension twice daily. The nurse correctly indicates that _________grams is the equivalent measurement.