CPhT Sterile Preparations Flashcards

What is the correct method to clean a laminar airflow hood before use?

Answer: Wipe with 70% isopropyl alcohol using side-to-side motions from back to front

The LAFW should be wiped with 70% isopropyl alcohol using overlapping side-to-side strokes working from back to front to push contaminants out of the hood.

What is an IV piggyback (IVPB)?

Answer: A small-volume IV bag containing medication given through a secondary IV line

An IV piggyback (IVPB) is a small-volume parenteral solution (50–250 mL) containing medication that is infused through a secondary IV line.

What is the correct needle angle when drawing medication from a vial?

Answer: 45 degrees, bevel up

When drawing from a vial, the needle should be inserted at a 45-degree angle with the bevel up to reduce coring and maintain the integrity of the rubber stopper.

What PPE is required for sterile compounding?

Answer: Gown, gloves, hair cover, face mask, and shoe covers

Sterile compounding requires full PPE including a gown, sterile gloves, hair and beard covers, face mask, and shoe covers to maintain the clean room environment.

What is a total parenteral nutrition (TPN) solution?

Answer: A sterile IV mixture providing complete nutrition including proteins, lipids, dextrose, vitamins, and electrolytes

TPN is a sterile IV admixture that provides complete nutritional support for patients who cannot eat, including amino acids, dextrose, lipids, electrolytes, and vitamins.

Why is air pressure kept positive in clean rooms and negative in hazardous drug areas?

Answer: Positive pressure keeps out contaminants; negative pressure contains hazardous particles inside

Positive air pressure in clean rooms prevents outside contaminants from entering, while negative pressure in hazardous drug areas prevents dangerous particles from escaping.