PTCB Practice Test #6 2 Flashcards
6 cards from real Pharmacy practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 PTCB Practice Test #6 2 flashcards as text
A laminar flow hood must be operated for how long before use to ensure a clean environment?
Answer: 30 minutes
According to USP 797 guidelines, laminar airflow workbenches (LAFWs) must be operated for at least 30 minutes before being used for sterile compounding to ensure adequate air purging.
Which of the following is the correct ISO class for a horizontal laminar airflow workbench (LAFW) used for IV compounding?
Answer: ISO Class 5
The critical zone (where sterile products are prepared) in a LAFW must meet ISO Class 5 (formerly Class 100), with no more than 3,520 particles ≥ 0.5 µm per cubic meter of air.
What is the correct technique for withdrawing medication from a single-dose vial?
Answer: Inject air equal to the volume you will withdraw, then pull back on the syringe
When withdrawing from a vial, inject a volume of air equal to the volume to be withdrawn to create positive pressure, facilitating fluid withdrawal. For multi-dose vials, this prevents creation of a vacuum.
How should a pharmacy technician respond if they discover a medication error after dispensing?
Answer: Report it immediately to the pharmacist
Medication errors must be reported immediately to the pharmacist, who determines patient safety risk and notifies the prescriber if needed. Transparency is essential for patient safety and error prevention programs.
Which of the following describes the "right" way to document a controlled substance wastage?
Answer: Wastage must be witnessed and co-signed by a second licensed healthcare provider
Controlled substance wastage must be witnessed by a second authorized healthcare provider and co-signed on the appropriate documentation to ensure accountability and prevent diversion.
What information is NOT required on a medication label for a compounded sterile preparation (CSP)?
Answer: Prescriber's home phone number
A CSP label must include patient name/ID, drug name, strength, volume, route of administration, beyond-use date, storage conditions, and pharmacy info. The prescriber's home phone number is NOT a required element.