PPE and Entry Modes
Name one of the four modes of entry for harmful substances into the body.
inhalation, absorption, ingestion, or injection
What does HHPS stand for
Hazardous Household Product Symbols
What does WHMIS stand for
Workplace Hazardous Materials Information System
What does a triangle around a flame mean in HHPS
Caution flammable
Why should you wear safety goggles in the lab
To protect your eyes from splashes.
Give an example of PPE that prevents entry through the skin.
Gloves
Name one HHPS classification symbol
poison/corrosive/explosive/flammable
Name one WHMIS symbol
compressed gas/corrosive/flame over circle/etc.
What does a circle with flames above it mean in WHMIS
Oxidizing material
Why should long hair be tied back
To prevent it from catching fire or contaminating experiments.
Which PPE is best to prevent entry through inhalation?
mask/respirator
Which HHPS shape is the most dangerous
octagon
Why are WHMIS symbols used worldwide
To provide clear, universal hazard communication
Why are images used instead of words
They can be understood in any language
What should you do if you spill a chemical on your skin?
Wash immediately with plenty of water and inform the teacher.
List all four modes of entry
inhalation, absorption, ingestion, and injection
Explain why the octagon is the most dangerous shape
It represents danger, the highest warning level
List 3 things you must know before using a chemical.
Proper use, hazards, and safe handling/storage/disposal
Match this description: “An octagon with a skull and crossbones.”
Danger poisonous.
Identify one unsafe action in a lab.
Eating or drinking in the lab.
Match each mode of entry with one correct PPE
Inhalation–mask, Absorption–gloves, Ingestion–wash hands, Injection–sharps container.
Describe the HHPS symbol for “Warning corrosive.”
A diamond with a skeleton hand.
Compare HHPS and WHMIS — what’s one difference
HHPS is for household products, WHMIS is for workplace/lab chemicals
Name one symbol that looks similar in both HHPS and WHMIS.
Flame (flammable).
Explain why broken glassware is a safety risk.
It can cause cuts and contamination.