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A nurse is preparing to administer digoxin 0.25 mg PO to a school-age child. Available is digoxin elixir 50 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["0.005"]

1. Determine the desired dose and the available concentration:

Desired dose: 0.25 mg
Available concentration: 50 mg/mL

2. Set up the calculation:

We need to find out how many mL contain 0.25 mg of digoxin. We can use the following formula:
- (Desired Dose) / (Available Concentration) = Volume to Administer

3. Perform the calculation:

0.25 mg / 50 mg/mL = 0.005 mL

4. Round the answer:

The answer is 0.005 mL.
Since the question asks to round to the nearest whole number and use a leading zero if it applies, and not use a trailing zero, and since this number is less than 1, we add a leading zero.
The answer is 0.005mL.

Therefore, the nurse should administer 0.005 mL of digoxin elixir.

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Free Nursing Study Resources

Correct Answer is ["0.019"]

Explanation

Identify the given information:

Dose of haloperidol: 19,000 mcg

Use the conversion factor:

1 g = 1,000,000 mcg

Set up the conversion:

19,000 mcg x (1 g / 1,000,000 mcg)

Calculate the result:

19,000 mcg x (1 g / 1,000,000 mcg) = 0.019 g

Correct Answer is ["300"]

Explanation

Identify the given information:

Volume of lactated Ringer's solution: 150 mL

Infusion time: 30 minutes

Convert the infusion time to hours:

30 minutes = 30/60 hours = 0.5 hours

Calculate the infusion rate in mL/hr:

Infusion rate = Volume / Time

Substitute the values:

Infusion rate = 150 mL / 0.5 hr

Calculate the result:

Infusion rate = 300 mL/hr

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A nurse is preparing to administer digoxin 0.25 mg PO to a school-age child. Available is digoxin elixir 50 mg/mL. How many mL should the nurse administer? (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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Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer haloperidol 19.000 mcg PO to a school-age child who has Tourette's syndrome. The nurse should recognize that this is equivalent to how many g? (Round the answer to the nearest thousandth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["0.019"]

Explanation

A nurse is preparing to administer lactated Ringer's 150 mL IV to infuse over 30 min. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["300"]

Explanation

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