PTCB Certified Pharmacy Technician (PTCE)MedicationsEasy
A pharmacy technician is preparing to reconstitute a powdered medication for oral suspension. Which of the following is the MOST critical step to ensure proper dosing and stability?
- AEnsuring the powder is completely dissolved before dispensing.
- BAdding the exact amount of purified water specified on the label.
- CShaking the bottle vigorously for at least 30 seconds after adding water.
- DStoring the reconstituted suspension in the refrigerator immediately.
Show answer & explanationAnswer & explanation
Correct answer: B. Adding the exact amount of purified water specified on the label.
Adding the exact amount of diluent is critical for achieving the correct concentration and ensuring the medication's stability and efficacy. Incorrect volume will lead to under- or over-dosing.
Why the other options are wrong
- A. Complete dissolution is important for homogeneity, but using the correct volume of diluent is paramount for concentration.
- C. Shaking is important for mixing, but not as critical as the correct volume for concentration.
- D. Refrigeration is often necessary but secondary to correct reconstitution for initial dosing accuracy.
Medication Reconstitution
The process of adding a liquid (diluent) to a powdered medication to create a solution or suspension for administration.
- Ensures correct concentration for dosing.
- Requires specific diluent and volume.
- Impacts stability and shelf-life.
Memory trick: Right Liquid, Right Amount, Right Dose.