Safety and Infection ControlQuestion 1847 of 2368

A multi-dose vial was opened 30 days ago and has no manufacturer expiration date on the label. What should the nurse do?

  1. Discard it, because multi-dose vials are used for a maximum of 28 days
  2. Use it, because the vial is labeled with the opening date
  3. Use it after scrubbing the diaphragm with alcohol
  4. Use it if the medication appears clear and colorless
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Correct answer: Discard it, because multi-dose vials are used for a maximum of 28 days

A multi-dose vial may be used for up to 28 days after opening unless the manufacturer states another date.

Source: Nursing Advanced Skills (Open RN, Chippewa Valley Technical College, 2023), Administer IV Push Medications: Ampules, Vials, and Prefilled Syringes. Licensed under CC BY 4.0.

Practice the topic "Safety and Infection Control"

Questions last reviewed: 18 October 2026