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A nurse is preparing to administer sumatriptan 6 mg subcutaneous to a client. Available is sumatriptan injection 6 mg/0.5 mL. How many mL should the nurse administer? (Round off 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 6 mg of sumatriptan.

Determine the volume per dose:

The sumatriptan injection contains 6 mg per 0.5 mL.

The nurse needs to administer 6 mg per dose.

To find the volume per dose, we can set up a proportion:

6 mg / 0.5 mL = 6 mg / x mL

Cross-multiplying gives us:

6x = 3

Dividing both sides by 6, we get:

x = 0.5 mL

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Correct Answer is C

Explanation

A) oz (ounce): Ounce is a unit of weight commonly used in the imperial system, particularly in the United States. It's often used to measure smaller weights in food and other household items, but it is not a metric unit.

B) lb (pound): Pound is another unit of weight in the imperial system. It is frequently used to measure body weight and heavier objects, but it is not a metric unit, making it unsuitable for standardized medical documentation in metric units.

C) mcg (microgram): Microgram is a metric unit of weight used to measure very small quantities, such as doses of medication or certain laboratory measurements. It's essential in medical and scientific contexts for its precision and standardization.

D) mL (milliliter): Milliliter is a metric unit, but it measures volume, not weight. It is often used in medical dosing and laboratory measurements to denote liquid quantities, ensuring accurate and consistent fluid measurements.

Correct Answer is ["0.8"]

Explanation

Convert the child's weight from pounds to kilograms:

There are 2.205 pounds in 1 kilogram.

68 lb = 68 lb / 2.205 lb/kg = 30.86 kg (rounded to two decimal places).

Determine the total dosage:

The child is prescribed 1.25 mg/kg of diphenhydramine.

The child weighs 30.86 kg.

The total dosage is 1.25 mg/kg x 30.86 kg = 38.575 mg.

Determine the volume per dose:

The diphenhydramine injection contains 50 mg per 1 mL.

The nurse needs to administer 38.575 mg per dose.

To find the volume per dose, we can set up a proportion:

50 mg / 1 mL = 38.575 mg / x mL

Cross-multiplying gives us:

50x = 38.575

Dividing both sides by 50, we get:

x = 0.7715 mL

Round the answer to the nearest tenth:

Rounding 0.7715 to the nearest tenth gives us 0.8 mL.

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A nurse is preparing to administer sumatriptan 6 mg subcutaneous to a client. Available is sumatriptan injection 6 mg/0.5 mL. How many mL should the nurse administer? (Round off 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 teaching a newly hired nurse about documentation in the medical record. Which of the following abbreviations should the newly hired nurse identify as a metric unit of weight?

Correct Answer is C

Explanation

A nurse is preparing to administer diphenhydramine 25 mg/kg IM to a child who weighs 66lb. Available is diphenhydramine injection 50 mg/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.)

Correct Answer is ["0.8"]

Explanation

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