NEBOSH ND2 Hazardous Substances and Workplace Health Quiz S3

According to COSHH Regulation 7, what is the absolute primary duty of an employer when dealing with hazardous substances?

• Purchase expensive protective equipment
• Prevent exposure completely
• Conduct annual risk assessments
• Train employees about risks

In the hierarchy of controls for hazardous substances, what is considered the most preferred method of risk management?

• Personal Protective Equipment
• Engineering controls
• Elimination of exposure
• Substitution of substances

What does the term 'synergistic effect' mean when discussing chemical exposure?

• One chemical reduces another's toxicity
• Chemicals have no interaction
• One chemical increases the overall toxic effect beyond individual toxicities
• Chemicals cancel each other out

What is a respiratory sensitiser?

• A substance that causes lung cancer
• A substance that induces hypersensitivity of the airways
• A chemical that blocks oxygen intake
• A device that helps breathing

In the context of health surveillance, what does biological monitoring specifically examine?

• Overall employee health
• Workplace conditions
• Metabolites and biological products after chemical exposure
• Chemical storage procedures

What is the primary purpose of the Globally Harmonised System (GHS)?

• To create international trade agreements
• To harmonize chemical classification, labeling, and packaging worldwide
• To reduce chemical production
• To standardize chemical prices

What does a Category 1A carcinogen classification indicate?

• Suspected carcinogenic properties
• Potential future cancer risk
• Known to induce cancer in humans
• Minimal cancer risk

What is a key consideration when assessing individual susceptibilities to hazardous substances?

• Employee age
• Employee height
• Employee salary
• Employee nationality

Under COSHH regulations, when must a risk assessment be reviewed?

• Every month
• Only after a major incident
• When significant changes occur or new risk information is available
• Once per year

In the context of drugs and alcohol policy, what is a primary organizational benefit?

• Increased legal protection
• Reduced absenteeism and incidents
• Higher insurance premiums
• More complex HR procedures