Safety Quiz

All lab participants must remain prepared to use safety equipment in case of emergency. Identify the components of effective preparation. (3 things)

- Understanding where the safety equipment is located - Being familiar with how safety equipment is used - Knowing what safety equipment is available

Which THREE types of signs are posted to convey information about chemical storage?

1- Hazard signs such as "Flammable," "Oxidizer," and "Corrosive" 2- National Fire Protection Association (NFPA) diamond 3- Gas Cylinder sign

Identify the equipment best suited for extinguishing each type of fire. 1- Clothing fire 2- large fire on floor 3- small benchtop fire

1- fire blanket 2- fire extinguisher 3- overturned beaker

What information does not need to be included a chemical waste label?

A description of the experiment the chemicals were used for

What are the best practices for safely handling waste in the lab?

Always wear appropriate Personal Protective Equipment. Check labels or instructions before any disposal.

Determine when to put on disposable gloves for work in the lab

Before handling any glassware or chemicals for the experiment

Which chemical waste situation should always be supervised or performed by an instructor? Note that you still may need to alert your instructor about the described incident, even if you clean it up yourself.

Cleaning up a broken mercury thermometer

has a flash point below room temp

Identify the description that applies to the substance represented by each NFPA diamond.

moderately unstable or reactive

Identify the description that applies to the substance represented by each NFPA diamond.

oxidizer, non flammable

Identify the description that applies to the substance represented by each NFPA diamond.

stable, has health risks but no special hazards

Identify the description that applies to the substance represented by each NFPA diamond.

It is often helpful to remember the acronym PASS when using a fire extinguisher. Fill in the word that corresponds with each letter to complete the steps needed for operation of this device.

P- Pull A- Aim S- Squeeze S- Sweep

What should you do every time before you leave the lab? ( 3 things)

remove gloves wash hands remove lab coat, if you are wearing one

Changing gloves often will minimize the spread of chemicals. To properly remove gloves, first, ____________________. Then, __________________. Then insert, ____________________________, between the interior edge of the second glove and the skin, and remove the second glove.

- grasp the exterior of one glove with a gloved hand - peel off the first glove - a bare finger

If you drop or break glassware in lab, first ___________________. Then, _________________________________. Finally, place all that material into the __________________________.

1- get thick gloves or dustpan 2- carefully collect all the broken glassware 3- broken glass container

Identify the precautions to take with exits in the lab. Select one or more: Locate the exits prior to the start of lab. Do not block a door with an EXIT sign. Keep the exit door locked at all times. Make sure lab windows are always open.

Locate the exits prior to the start of lab. Do not block a door with an EXIT sign.

Under what conditions should a student inform the instructor of a lab injury? Select one: The instructor must be informed of all laboratory injuries. The instructor should be alerted only if the lab injury appears different from injuries the student has experienced previously. The instructor needs to be alerted only if he or she needs to call 911. The instructor should be alerted only if the injury involves broken skin.

The instructor must be informed of all laboratory injuries.

Determine when you should remove your goggles in the lab room.

When everyone in the room is done handling any chemicals or glassware

When should you start a new chemical waste container in the lab?

When the contents of the current container are a couple inches below the brim of the container

A- Funnel B- Primary container C- waste label D- secondary container

Using the letters on the image, identify each component of the liquid waste set-up.

What is the main precaution to take if a Gas Cylinder sign is present in the lab?

Visually check that the gas cylinder is restrained but keep a safe distance from it.

Move to the safety shower if you spill hazardous chemicals on your ______________. Stand under the shower and ______ the lever. Remove clothing and continue flushing the area for_________________

skin or clothing pull 15 minutes