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A nurse preparing to administer heparin 10,000 units subcutaneous every 8 hr. Available i heparin injection 20,000 units/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["0.5"]

Determine the desired dosage:

The nurse needs to administer 10,000 units of heparin.

Determine the volume per dose:

The heparin injection contains 20,000 units per 1 mL.

The nurse needs to administer 10,000 units per dose.

To find the volume per dose:

20,000 units / 1 mL = 10,000 units / x mL

Cross-multiplying gives us:

20,000x = 10,000

Dividing both sides by 20,000, we get:

x = 0.5 mL

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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A "minim" is an outdated unit of measurement used in pharmacy and is typically associated with liquid volumes.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.

Correct Answer is ["2"]

Explanation

Determine the desired dosage per dose:

The client is prescribed 20 mg of nifedipine three times a day.

The dosage per dose is 20 mg.

Determine the number of capsules per dose:

Each capsule contains 10 mg of nifedipine.

The nurse needs to administer 20 mg per dose.

To find the number of capsules per dose:

10 mg / 1 capsule = 20 mg / x capsules

Cross-multiplying gives us:

10x = 20

Dividing both sides by 10, we get:

x = 2 capsules

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A nurse preparing to administer heparin 10,000 units subcutaneous every 8 hr. Available i heparin injection 20,000 units/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

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Naxlex Comprehensive Predictor Exams

A nurse is assisting an assistive personnel to document a client's weight in the medical record. Which of the following should the nurse identify as a metric unit?

Correct Answer is C

Explanation

A nurse is preparing to administer nifedipine 20 mg PO three times a day. Available is nifedipine 10 mg capsules. How many capsules should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["2"]

Explanation

A nurse is preparing to administer lidocaine 200 mg IM stat and repeat in 60 min. Available is lidocaine injection 300 mg/3 mL. How many mL should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading, zero if it applies. Do not use a trailing zero.)

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