Pretest: Fundamentals of CFHS - GC

Wed, 03/26/2025 - 17:53

A chemical fume hood is a primary engineering control. Which of the following describes how it works with the building exhaust system?

Which of the following types of protection does a fume hood provide?

Chemical fume hoods can be used to handle microbial pathogens.

True

False

Fume hoods should be located away from doorways, room air supply or air conditioning vents.

True

False

Which of the following describes how a fume hood provides protection?

Positive air pressure, relative to that in the room, is created inside the hood.
Neutralizes chemicals.
Negative air pressure, relative to that in the room, is created in the hood

While working in a fume hood, which factor may negatively impact proper airflow?

When the fume hood sash is opened up all the way, which of the following best describes what will happen?

Vapors will be contained within hood.
Proper airflow will be maintained to ensure a fume hood’s protective function.
The hood face velocity will slow down potentially allowing vapors to spill into the room air.
Airflow will stop.

Before using a fume hood you need to be sure the certification sticker is signed by your laboratory supervisor.

True

False

Before using a fume hood, which of the following should you do?

To maintain proper airflow while working in a fume hood, what position should the sash be kept?

Which of the following should you NOT do when working in a fume hood?

After finishing work in a fume hood, which of the following should you do?

Choose the correct answer.

Which of the following are part of the daily cleaning procedures for the work surface and airfoil sill?

You should continue to work when there is a loss of power.

True

False

If there is a hazardous material spill inside a fume hood, you should follow the established spill cleanup SOPs for your lab.

True

False