Practice Mode Assessment

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No.

1 : A nurse is planning to instruct a caregiver on the use ofphenytoin oral suspension. What information should the nurse include in the instruction?

The medication should be stored in a well-lit area.

The medication should be stored in a cool area.

The total volume in a unit dose container is 100 mL.

The unit dose container should be gently rolled before administration.

Hint : Many suspensions settle over time — gentle rolling ensures even dosing.

Correct Answers:

The unit dose container should be gently rolled before administration.

Rationale :

Phenytoin suspension should be gently mixed (not shaken vigorously) to ensure uniform distribution.

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2 : A nurse is set to administer 3 mg of haloperidol lactate 1M to a patient.Given that the available haloperidol injection is 5 mg/mL, how many mL should the nurse administer?

Hint : Dose ÷ concentration = volume to administer.

Correct Answers:

Rationale :

3 ÷ 5 = 0.6 mL

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3 : A nurse is preparing to administer phenytoin 100 mg PO every 8 hours.

If the available phenytoin suspension is 125 mg/5 mL, how many mL should the nurse administer per dose?

Hint : Use proportion or dosage formula to convert.

Correct Answers:

Rationale :

(100 ÷ 125) × 5 = 4 mL

Distractor Analysis :

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4 : A nurse is preparing to administer cefaclor 500 mg PO every 12 hours.

If the available cefaclor oral suspension is 250 mg/5 mL, how many mL should the nurse administer per dose?

Hint : Use a two-step proportion to solve.

Correct Answers:

Rationale :

(500 ÷ 250) × 5 = 10 mL

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5 : A nurse is reviewing new prescriptions for a newly admitted patient.

Which of the following prescriptions should the nurse seek further clarification from the provider?

Desvenlafaxine 50 mg PO daily.

Ketorolac nasal spray, one spray in each nostril every 6 hours as needed for moderate pain.

Oxycodone 10 mg PO every 4 hours as needed for severe pain.

Regular insulin 35 units subcutaneously 30 minutes before meals

Hint : Unusual insulin dose (35 units) and timing may require provider verification.

Correct Answers:

Regular insulin 35 units subcutaneously 30 minutes before meals

Rationale :

Unusual insulin dose (35 units) and timing may require provider verification.

Distractor Analysis :

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6 : A nurse is preparing to administer midazolam 0.07 mg/kg 1M to a patient who weighs 50 kg. If the available midazolam is 5 mg/mL, how many mL should the nurse administer?

Hint : Weight-based doses require multiplication, then conversion to volume.

Correct Answers:

Rationale :

0.07 × 50 = 3.5 mg 3.5 ÷ 5 = 0.7 mL

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7 : A nurse is preparing to administer codeine 20 mg PO every 6 hours as needed for pain.If the available codeine oral solution is 10 mg/5 mL, how many mL should the nurse administer per dose?

Hint : Divide dose by concentration, then multiply by mL per unit.

Correct Answers:

Rationale :

(20 ÷ 10) × 5 = 10 mL

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8 : A nurse is set to administer 4 mg of morphine 1M. If the available morphine injection is 10 mg/mL, how many mL should the nurse administer per dose? .

Hint : Direct division of dose by concentration.

Correct Answers:

Rationale :

4 ÷ 10 = 0.4 mL

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9 : A nurse is preparing to administer 40 mg of famotidine PO at bedtime.If the available famotidine is 20 mg/tablet, how many tablets should the nurse administer?

Hint : Total dose ÷ tablet strength = number of tablets.

Correct Answers:

Rationale :

40 ÷ 20 = 2 tablets

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10 : A nurse is set to administer 4 mg of morphine 1M. If the available morphine injection is 10 mg/mL, how many mL should the nurse administer per dose?

Hint : Redundant but reinforces dose-to-volume conversion.

Correct Answers:

Rationale :

4 ÷ 10 = 0.4 mL

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Total Questions: 10

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RN Fundamentals Dosage Calculation

No.

1 : A nurse is planning to instruct a caregiver on the use ofphenytoin oral suspension. What information should the nurse include in the instruction?

2 : A nurse is set to administer 3 mg of haloperidol lactate 1M to a patient.Given that the available haloperidol injection is 5 mg/mL, how many mL should the nurse administer?

3 : A nurse is preparing to administer phenytoin 100 mg PO every 8 hours.

If the available phenytoin suspension is 125 mg/5 mL, how many mL should the nurse administer per dose?

4 : A nurse is preparing to administer cefaclor 500 mg PO every 12 hours.

If the available cefaclor oral suspension is 250 mg/5 mL, how many mL should the nurse administer per dose?

5 : A nurse is reviewing new prescriptions for a newly admitted patient.

Which of the following prescriptions should the nurse seek further clarification from the provider?

6 : A nurse is preparing to administer midazolam 0.07 mg/kg 1M to a patient who weighs 50 kg. If the available midazolam is 5 mg/mL, how many mL should the nurse administer?

7 : A nurse is preparing to administer codeine 20 mg PO every 6 hours as needed for pain.If the available codeine oral solution is 10 mg/5 mL, how many mL should the nurse administer per dose?

8 : A nurse is set to administer 4 mg of morphine 1M. If the available morphine injection is 10 mg/mL, how many mL should the nurse administer per dose? .

9 : A nurse is preparing to administer 40 mg of famotidine PO at bedtime.If the available famotidine is 20 mg/tablet, how many tablets should the nurse administer?

10 : A nurse is set to administer 4 mg of morphine 1M. If the available morphine injection is 10 mg/mL, how many mL should the nurse administer per dose?

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RN Fundamentals Dosage Calculation

No.

1 : A nurse is planning to instruct a caregiver on the use ofphenytoin oral suspension. What information should the nurse include in the instruction?

2 : A nurse is set to administer 3 mg of haloperidol lactate 1M to a patient.Given that the available haloperidol injection is 5 mg/mL, how many mL should the nurse administer?

3 : A nurse is preparing to administer phenytoin 100 mg PO every 8 hours.If the available phenytoin suspension is 125 mg/5 mL, how many mL should the nurse administer per dose?

4 : A nurse is preparing to administer cefaclor 500 mg PO every 12 hours.If the available cefaclor oral suspension is 250 mg/5 mL, how many mL should the nurse administer per dose?

5 : A nurse is reviewing new prescriptions for a newly admitted patient.Which of the following prescriptions should the nurse seek further clarification from the provider?

6 : A nurse is preparing to administer midazolam 0.07 mg/kg 1M to a patient who weighs 50 kg. If the available midazolam is 5 mg/mL, how many mL should the nurse administer?

7 : A nurse is preparing to administer codeine 20 mg PO every 6 hours as needed for pain.If the available codeine oral solution is 10 mg/5 mL, how many mL should the nurse administer per dose?

8 : A nurse is set to administer 4 mg of morphine 1M. If the available morphine injection is 10 mg/mL, how many mL should the nurse administer per dose? .

9 : A nurse is preparing to administer 40 mg of famotidine PO at bedtime.If the available famotidine is 20 mg/tablet, how many tablets should the nurse administer?

10 : A nurse is set to administer 4 mg of morphine 1M. If the available morphine injection is 10 mg/mL, how many mL should the nurse administer per dose?

3 : A nurse is preparing to administer phenytoin 100 mg PO every 8 hours.

If the available phenytoin suspension is 125 mg/5 mL, how many mL should the nurse administer per dose?

4 : A nurse is preparing to administer cefaclor 500 mg PO every 12 hours.

If the available cefaclor oral suspension is 250 mg/5 mL, how many mL should the nurse administer per dose?

5 : A nurse is reviewing new prescriptions for a newly admitted patient.

Which of the following prescriptions should the nurse seek further clarification from the provider?