Safe Handling and Exposure Flashcards
7 cards from real WHMIS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Safe Handling and Exposure flashcards as text
Under WHMIS 2015, what is the correct hierarchy for controlling worker exposure to hazardous products?
Answer: Elimination, substitution, engineering controls, administrative controls, PPE
The hierarchy of controls prioritizes eliminating the hazard first, followed by substitution, then engineering controls, administrative controls, and PPE as a last resort.
A worker must handle a reproductive toxin. Which WHMIS document would contain information about its reproductive hazards?
Answer: Safety Data Sheet, Section 11: Toxicological Information
SDS Section 11 (Toxicological Information) provides detailed health effects data including reproductive toxicity.
In WHMIS, what does 'IDLH' stand for and why is it relevant to safe handling?
Answer: Immediately Dangerous to Life or Health — the concentration requiring immediate escape without respirator
IDLH is the airborne concentration at which a worker could suffer irreversible harm or be unable to escape, requiring supplied-air respiratory protection.
Which of the following is a key requirement when workers use reusable chemical-resistant gloves for handling hazardous products?
Answer: Inspect gloves for degradation or breakthrough before each use
Gloves must be inspected before each use for signs of chemical breakthrough or physical damage that could compromise protection.
A WHMIS label displays a flame-over-circle pictogram. What does this indicate about the product's handling requirements?
Answer: The product is an oxidizer and must be stored away from flammable or combustible materials
The flame-over-circle pictogram indicates an oxidizing substance that can intensify fires and must not be stored near flammables.
A new employee finds an unlabeled container of liquid in the workplace. Under WHMIS, the employee should:
Answer: Not use the container and notify the supervisor immediately
Unknown substances must be treated as potentially hazardous; workers should never handle unlabeled containers and must report them to a supervisor.
What is the primary purpose of biological monitoring in the context of WHMIS-regulated hazardous exposures?
Answer: To measure the actual amount of a substance absorbed into the worker's body through all exposure routes
Biological monitoring measures absorbed doses via blood, urine, or breath samples, capturing total exposure from inhalation, skin absorption, and ingestion combined.