A nurse is preparing to administer furosemide 20 mg PO in 0.5 oz of apple juice. How many mL of apple juice will the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
15 mL
7.5 mL
5 mL
10 mL
The Correct Answer is A
Given volume = 0.5 oz
Conversion factor: 1 oz = 30 mL
- Calculate the volume in milliliters (mL).
Volume (mL) = Volume in oz x Conversion factor
= 0.5 oz x 30 mL/oz
= 15 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. 15 mL = 3 tsp/1 tbsp: This is a correct conversion. One teaspoon equals 5 mL, so 3 teaspoons equal 15 mL, which also equals 1 tablespoon. This measurement is accurate and safe for patient use.
B. 10 mL = 2 tsp: One teaspoon equals 5 mL, so 2 teaspoons equal 10 mL. This conversion is correct and aligns with standard household equivalents.
C. 30 mL = 6 tsp: Six teaspoons multiplied by 5 mL per teaspoon equals 30 mL. This conversion is accurate and does not require questioning.
D. 30 mL = ½ OZ: One ounce equals 30 mL, so ½ ounce equals 15 mL, not 30 mL. This conversion is incorrect and could result in a doubling of the prescribed dose, making it unsafe.
Correct Answer is C
Explanation
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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