A nurse is preparing administer valproic acid 125 mg PO. Available is valproic acid syrup 250 mg/5 mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["2.5"]
Determine the desired dosage:
The nurse needs to administer 125 mg of valproic acid.
Determine the volume per dose:
The valproic acid syrup contains 250 mg per 5 mL.
The nurse needs to administer 125 mg per dose.
To find the volume per dose:
250 mg / 5 mL = 125 mg / x mL
Cross-multiplying gives us:
250x = 625
Dividing both sides by 250, we get:
x = 2.5 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.6"]
Explanation
Determine the desired dosage:
The nurse needs to administer 3 mg of haloperidol.
Determine the volume per dose:
The haloperidol injection contains 5 mg per 1 mL.
The nurse needs to administer 3 mg per dose.
To find the volume per dose:
5 mg / 1 mL = 3 mg / x mL
Cross-multiplying gives us:
5x = 3
Dividing both sides by 5, we get:
x = 0.6 mL
Correct Answer is C
Explanation
A. Minim:
A "minim" is an outdated unit of measurement used in pharmacy and is typically associated with liquid volumes. It is not a metric unit. In the metric system, volume is measured in milliliters (mL) or liters (L), not in minims. Therefore, "minim" is not the correct answer for weight or mass measurement.
B. Pound:
A "pound" (lb) is an imperial unit of weight commonly used in the United States. It is not part of the metric system. In the metric system, weight is typically measured in grams (g) or kilograms (kg). Pounds are not considered a metric unit of weight.
C. Kilogram:
A "kilogram" (kg) is the correct metric unit for measuring weight or mass. It is part of the International System of Units (SI), and 1 kilogram is equivalent to 1,000 grams. Kilograms are the standard metric unit used worldwide for weight, making it the appropriate choice in this context.
D. Ounce:
An "ounce" (oz) is also an imperial unit of weight, not a metric unit. Like pounds, ounces are used in the United States and some other countries but are not part of the metric system. In the metric system, weight is measured in grams (g) or kilograms (kg), not ounces. Therefore, this is not the correct answer for a metric unit of weight.
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