Practice Mode Assessment

End

No.

1 : A nurse is preparing to administer lactated Ringer's 250 mL IV to infuse over 15 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.). mL/hr.

Hint : Use the formula: (Volume ÷ Time in minutes) × 60 = mL/hr

Correct Answers:

1000

Rationale :

(250 ÷ 15) × 60 = 1000 mL/hr

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2 : A nurse is preparing to administer cefazolin lg intermittent IV bolus in 0.9% sodium chloride 250 mL over 30 min.

The drop factor on the manual IV tubing is 10 gtt/mL. The nurse should set the manual IV flow rate to deliver how many gtt/min? (Round the answer to the nearest whole number.Use a leading zero if it applies.Do not use a trailing zero.). gtt/min.

Hint : Use: (Volume ÷ Time in minutes) × Drop factor = gtt/min

Correct Answers:

Rationale :

(250 ÷ 30) × 10 = 83.3 ≈ 83 gtt/min

Distractor Analysis :

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3 : A nurse is preparing to reconstitute ampicillin for 1M administration to a client who has urethritis.

Which of the following information should the nurse interpret from the medication label? (Refer to the medication label below.). *This vial contains ampicillin sodium equivalent to 1 gram ampicillin.

For 1M use, add 3.5 ml diluent (read accompanying insert). Resulting solution contains 250 mg ampicillin per mL. Use solution within 1 hour.

Usage dosage: Adults-250 to 500 mg 1M q6h. READ

ACCOMPANYING INSERT.

T tor. detailed indications, 1M or IV dosage, and precautions.

Store the dry powder at 200 to 250 C (680 to 770 F) (See USP]). NDC 1234-1234-10. Ampicillin for Injection, USP. 1 gram per vial.

For 1M or Use.

End of label.

Instill 5 mL of diluent to the vial for reconstitution.

After reconstitution, the vial will contain a total of 500 mg of medication.

Administer the medication within 1 hr of reconstitution.

This medication can only be administered 1M.

Hint : Look for clear timing instructions on medication labels.

Correct Answers:

Administer the medication within 1 hr of reconstitution.

Rationale :

The label instructs to use the solution within 1 hour of reconstitution.

Distractor Analysis :

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4 : A nurse is preparing to administer ketorolac 30 mg 1M to a client.Available is ketorolac injection 15 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.)

Hint : Dose ÷ concentration = mL to administer.

Correct Answers:

Rationale :

30 ÷ 15 = 2 mL

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5 : A nurse is preparing to administer morphine oral solution 30 mg PO for breakthrough pain to a client who has cancer.Available is morphine oral solution 20 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.)

Hint : Always match units before dividing.

Correct Answers:

Rationale :

30 ÷ 20 = 1.5 mL

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6 : A nurse is teaching a client who has a new prescription for sucralfate 1 g PO BID.Available is sucralfate 1 g/10 mL. How many tsp should the nurse instruct the client to self-administer per dose? (Round the answer to the nearest whole number.Use a leading zero if it applies.Do not use a trailing zero.). tsp.

Hint : 1 tsp = 5 mL

Correct Answers:

Rationale :

10 mL ÷ 5 mL per tsp = 2 teaspoons

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7 : A nurse is preparing to administer dextrose 5% in 0.45% sodium chloride 1 L with magnesium sulfate 1 g to infuse IV bolus over 12 hr. 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.). mL/hr.

Hint : Volume ÷ time = rate.

Correct Answers:

Rationale :

1000 mL ÷ 12 = 83.3 ≈ 83 mL/hr

Distractor Analysis :

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8 : A nurse is reviewing medications prescribed for a client.For which of the following prescriptions should the nurse contact the provider for clarification?.

Meloxicam 15 mg Po daily.

Regular insulin 8 units subcutaneous before meals.

Docusate sodium 200 mg PO at bedtime.

Fentanyl 25 mcg/hr transdermal patch.

Hint : All med orders should include clear timing instructions.

Correct Answers:

Regular insulin 8 units subcutaneous before meals.

Rationale :

"Before meals" is vague; should specify timing (e.g., 30 min before meals).

Distractor Analysis :

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9 : A nurse is preparing to administer hydrochlorothiazide 150 mg Po daily in 3 equally divided doses.

Available is hydrochlorothiazide oral solution 50 mg/5 mL.How many mL should the nurse administer per dose? (Roundthe answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Hint : Find mg per dose, then convert to mL.

Correct Answers:

Rationale :

150 mg ÷ 3 = 50 mg/dose 50 mg ÷ 50 mg × 5 mL = 5 mL

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10 : A nurse is preparing to administer acetylcysteine 140 mg/kg PO stat to a client who weighs 178 lb. Available is acetylcysteine 200 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.)

Hint : Convert weight to kg, then calculate total dose, and divide by concentration.

Correct Answers:

Rationale :

178 ÷ 2.2 = 80.9 kg 140 × 80.9 = 11,326 mg 11,326 ÷ 200 = 56.63 ≈ 57 mL

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Total Questions: 10

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RN Dosage Calculation

No.

1 : A nurse is preparing to administer lactated Ringer's 250 mL IV to infuse over 15 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.). mL/hr.

4 : A nurse is preparing to administer ketorolac 30 mg 1M to a client.Available is ketorolac injection 15 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.)

8 : A nurse is reviewing medications prescribed for a client.For which of the following prescriptions should the nurse contact the provider for clarification?.

10 : A nurse is preparing to administer acetylcysteine 140 mg/kg PO stat to a client who weighs 178 lb. Available is acetylcysteine 200 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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