Reconstitution Dosage Practice Questions
Powder vials, diluent volumes versus final total volumes, and label concentrations after mixing. The classic trap: dividing by the diluent volume instead of the final concentration.
Reconstitution questions test whether you read the label or the order.
Try 10 practice questions
Q1. A 1,000 mg vial is reconstituted to a concentration of 250 mg/mL. Order: 500 mg.
How many mL should the nurse draw up? (Round to 1 decimal if needed)
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Answer: 2 mL
Q2. A 2,000 mg vial is reconstituted to a concentration of 400 mg/mL. Order: 600 mg.
How many mL should the nurse draw up? (Round to 1 decimal if needed)
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Answer: 1.5 mL
Q3. A 1,000 mg vial is reconstituted to a concentration of 100 mg/mL. Order: 750 mg.
How many mL should the nurse draw up? (Round to 1 decimal if needed)
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Answer: 7.5 mL
Q4. A 500 mg vial is reconstituted to a concentration of 250 mg/mL. Order: 375 mg.
How many mL should the nurse draw up? (Round to 1 decimal if needed)
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Answer: 1.5 mL
Q5. A 1,000 mg vial is reconstituted to a concentration of 200 mg/mL. Order: 300 mg.
How many mL should the nurse draw up? (Round to 1 decimal if needed)
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Answer: 1.5 mL
Q6. A 2,000 mg vial is reconstituted to a concentration of 250 mg/mL. Order: 750 mg.
How many mL should the nurse draw up? (Round to 1 decimal if needed)
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Answer: 3 mL
Q7. A 500 mg vial is reconstituted to a concentration of 100 mg/mL. Order: 350 mg.
How many mL should the nurse draw up? (Round to 1 decimal if needed)
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Answer: 3.5 mL
Q8. A 1,000 mg vial is reconstituted to a concentration of 500 mg/mL. Order: 750 mg.
How many mL should the nurse draw up? (Round to 1 decimal if needed)
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Answer: 1.5 mL
Q9. A 250 mg vial is reconstituted to a concentration of 50 mg/mL. Order: 125 mg.
How many mL should the nurse draw up? (Round to 1 decimal if needed)
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Answer: 2.5 mL
Q10. A 2,000 mg vial is reconstituted to a concentration of 500 mg/mL. Order: 1,500 mg.
How many mL should the nurse draw up? (Round to 1 decimal if needed)
Show answer & worked solution
Answer: 3 mL
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