A healthcare provider orders 0.4 mg of a medication to be administered subcutaneously. The medication is available at 1 mg/mL concentration. How much should the nurse administer?
0.8 ml
1.0 mL
0.4 mL
0.6 mL
The Correct Answer is C
Calculation:
Ordered Dose: 0.4 mg
Available Concentration: 1 mg/mL
- Calculate the volume to administer
Volume to administer = Ordered Dose ÷ Concentration
Volume to administer = 0.4 ÷ 1
Volume to administer = 0.4 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. 2 tablespoons: Two tablespoons equal 30 mL, which would double the prescribed dose. Giving this amount could lead to overdosing and increase the risk of adverse effects.
B. 1 teaspoon: One teaspoon is equivalent to 5 mL. This would provide only one-third of the prescribed 15 mL dose, resulting in underdosing and reduced therapeutic effect.
C. 1/2 tablespoon: Half a tablespoon equals 7.5 mL, which is only half of the ordered dose. This amount would not meet the prescribed medication requirement.
D. 1 tablespoon: One tablespoon is equal to 15 mL. This directly matches the prescribed dose and is the correct household measurement for accurate medication administration.
Correct Answer is A
Explanation
Calculation:
Concentration: 200 mg/mL
Ordered Dose: 600 mg
- Calculate the volume to administer
Volume to administer = Ordered Dose ÷ Concentration
Volume to administer = 600 ÷ 200
Volume to administer = 3 mL
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