Question

a pharmacy technician should wear an n95 respirator when working with a patient who requires which of the following types of isolation precautions?

droplet
airborne
contact
bloodborne

question 9
after being turned off, how long must a horizontal laminar airflow hood be running before sterile compounding can resume?

30 min
15 min
1 hr

Explanation:

Analyze N95 respirator requirements

Using the Personal Protective Equipment and Isolation Precautions knowledge points:

• N95 respirators filter out at least 95% of very small (0.3 micron) airborne particles.
• They are specifically designed to protect against infectious agents transmitted via the airborne route (e.g., tuberculosis, measles, varicella).
• Droplet precautions require standard surgical masks, contact precautions require gowns and gloves, and bloodborne precautions require standard barriers like gloves and face shields.
• Therefore, an N95 respirator is required for airborne precautions.

Analyze laminar airflow hood startup time

Using the Laminar Airflow Hood and Sterile Compounding knowledge points:

• If a horizontal laminar airflow hood is turned off, it must run continuously to purge the compounding area of room air and establish a stable, sterile ISO Class 5 environment.
• Standard guidelines (such as USP <797>) require the hood to run for at least 30 minutes before compounding can begin.
• This ensures all non-sterile room air is swept out by the HEPA-filtered laminar air.

Answer:

Question 1

• (A) Droplet
• (B) Airborne (Correct answer)
• (C) Contact
• (D) Bloodborne

Question 2

• (A) 30 min (Correct answer)
• (B) 15 min
• (C) 1 hr