ATI Dosage Calculation and Safe Medication Administration 3.0 - Oral Medications

ATI Dosage Calculation and Safe
Medication Administration 3.0 - Oral
Medications
A nurse is preparing to administer fluoxetine 35 mg PO daily. Available is fluoxetine solution 20 mg/5 mL. How many mL should the nurse administer daily? (Round to the nearest tenth.) - ~ANSWER 8.8 mL
Rationale:
1. 20 mg/5 mL = 35 mg/x mL
2. 20x = 175
3. x = 8.75 mL
4. x = 8.8 mL (rounded)
A nurse is preparing to administer hydromorphone 4 mg PO every 4 hours PRN for
pain. Available is hydromorphone oral liquid 1 mg/1 mL. How many mL should the
nurse administer per dose? - ~ANSWER 4 mL
Rationale:
1. 1 mg/1 mL = 4 mg/x mL
2. 1x = 4
3. x = 4 mL
A nurse is preparing to administer potassium chloride 15 mEq PO every 12 hours. Available is potassium chloride liquid 20 mEq/15 mL. How many mL should the nurse administer per dose? (Round to the nearest whole number.) - ~ANSWER 11 mL
Rationale:
1. 20 mEq/15 mL = 15 mEq/x mL
2. 20x = 225
3. x = 11.25 mL
4. x = 11 mL (rounded)
A nurse is preparing to administer quinapril 40 mg PO daily. Available is quinapril 20 mg tablets. How many tablets should the nurse administer daily? - ~ANSWER
2 tablets
Rationale:
1. 20 mg/1 tablet = 40 mg/x tablets
2. 20x = 40
3. x = 2 tablets
A nurse is preparing to administer methadone 2.5 mg PO every 8 hours. Available is methadone 5 mg tablets. How many tablets should the nurse administer per dose? - ~ANSWER 0.5 tablet
Rationale:
1. 5 mg/1 tablet = 2.5 mg/x tablet
2. 5x = 2.5
3. x = 0.5 tablet