A prescription orders 5 tablespoons of a medication. Convert this to milliliters.
50 mL
60 ml
100 mL
75 mL
The Correct Answer is D
Calculation:
Ordered Dose = 5 tablespoons
Conversion: 1 tablespoon = 15 mL
Volume in mL = Number of tablespoons × 15 mL
= 5 × 15
= 75 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Calculation:
Ordered Dose = 125 mg
Available Dose = 250 mg
Available Volume = 5 mL
Volume to administer = (Ordered Dose / Available Dose) × Available Volume
= (125 / 250) × 5
= 0.5 × 5
= 2.5 mL
Correct Answer is B
Explanation
Rationale:
A. The total amount of medication required: This represents the desired dose (D) in the formula, not 'H'. It is the amount the provider has prescribed for the patient.
B. The dosage strength available: 'H' stands for the dosage strength available, such as milligrams per tablet or milliliters per vial. Knowing this allows the nurse to calculate how many units of the drug form to administer to meet the prescribed dose.
C. The frequency of administration: Frequency refers to how often a medication is given, which is not part of the D/H × Q calculation for a single dose.
D. The patient's weight in kilograms: Weight may be used to calculate a weight-based dose, but it is not represented by 'H'; it may be used in determining 'D' for pediatric or weight-dependent dosing.
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