Bridging The Gap (BTG) 40 Hour Practice Exam

A nurse has stock strength 10 mg/mL. If the ordered dose is 2 mg, how many milliliters should be administered?

0.2 mL 2 mL 0.02 mL 1 mL

Correct Answer:

0.2 mL

Explanation:

The key idea is converting a required dose into a volume using the concentration. The medicine is 10 mg per 1 mL, so to get 2 mg you need 2/10 of a milliliter. That equals 0.2 mL. So the correct administered volume is 0.2 mL. Always confirm with the appropriate syringe because 0.2 mL is a small dose.

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