7.2 Assessment of health risks

Written by Imran Qureshi (NEBOSH)

NEBOSH IGC · Workplace hazards · 15 questions

Name: ____________________ Date: ____________

Which is a route of entry of hazardous substances into the body?
- A Radiation
- B Inhalation
- C Reflection
- D Vibration
A safety data sheet is provided by the:
- A Supplier
- B Local council
- C Doctor
- D Inspector
A limitation of safety data sheets is that:
- A They contain no first aid information
- B They may not cover how a substance is actually used
- C They never include hazards
- D They are always out of date
Which of these is a route of entry of substances into the body?
- A Light
- B Absorption through the skin
- C Vibration
- D Sound
A needlestick injury is an example of entry by:
- A Injection
- B Ingestion
- C Absorption
- D Inhalation
Eating with contaminated hands is an example of entry by:
- A Radiation
- B Ingestion
- C Injection
- D Inhalation
The body's defence in the airway includes:
- A Sneezing at noise
- B Blinking only
- C Filtering and coughing
- D Sweating
The liver and kidneys help the body to:
- A Process and remove toxins
- B Block noise
- C Control temperature only
- D Feel pain
Who must give a user of a chemical the safety data sheet for it?
- A The supplier
- B The insurer
- C The enforcement agency
- D The customer
A worker needs to know what to do if a chemical splashes in the eye. Where should they look first on the safety data sheet?
- A The composition section
- B The first aid section
- C The supplier address
- D The disposal section
A limitation of an SDS is that it:
- A Replaces the risk assessment
- B May not cover mixtures or how the substance is actually used
- C Is always complete
- D Is always up to date
A product label gives:
- A The assessed exposure of every worker
- B Hazard information at the point of use
- C A guarantee of safety
- D Audit results
A health risk assessment considers:
- A Only the supplier
- B Only the cost of the substance
- C Only the packaging
- D The form of the substance, routes of entry and amount and duration of exposure
Air sampling gives:
- A A permanent guarantee of safety
- B The exposure of every future day
- C A measure of noise
- D A snapshot of exposure at a particular time and place
Which is an existing control to consider in an assessment?
- A The cost of lunch
- B Local exhaust ventilation already fitted
- C The workers' birthdays
- D The company logo

Answer key

1. B, 2. A, 3. B, 4. B, 5. A, 6. B, 7. C, 8. A, 9. A, 10. B, 11. B, 12. B, 13. D, 14. D, 15. B

Inhalation, ingestion, skin absorption and injection.
Suppliers must provide SDSs.
They are general information.
Routes are inhalation, ingestion, absorption and injection.
Sharps can introduce blood-borne viruses.
Hygiene reduces ingestion.
These can be overcome by high or repeated exposure.
They are defence organs.
It gives hazard and safety information.
An SDS gives identification, hazards, composition, first aid, firefighting, handling and storage, exposure controls and disposal.
It may be general.
Labels and SDS are the main information sources.
Who is exposed and existing controls are also considered.
It has limits.
The effectiveness of existing controls is part of the assessment.