Practice quiz · 7 questions

ISO 45001 occupational health and safety

Hazards, the hierarchy of controls, worker participation and key ISO 45001:2018 clauses.

Practice questions, not official exam questions. Written by ISO Me to help you revise; real exams differ by scheme and provider.

Q1 Which control comes first in the hierarchy of controls?

Answer and explanation

Answer: C. The hierarchy runs: eliminate the hazard, substitute, engineering controls, administrative controls (including training), then PPE.

Reference: ISO 45001 clause 8.1.2

Q2 Which is the least preferred control in the hierarchy?

Answer and explanation

Answer: B. PPE relies on people using it correctly every time, so it is the last resort.

Reference: ISO 45001 clause 8.1.2

Q3 Consultation and participation of workers is clause:

Answer and explanation

Answer: A. 5.4 is a distinctive ISO 45001 requirement: workers (not just managers) are consulted and take part in the system.

Reference: ISO 45001:2018 clause 5.4

Q4 What was ISO 45001’s revision status on iso.org in October 2026?

Answer and explanation

Answer: B. iso.org lists ISO 45001:2018 as to be revised, to be replaced by ISO/DIS 45001 (under development).

Reference: iso.org, checked 3 October 2026

Q5 Management of change in ISO 45001:2018 is clause:

Answer and explanation

Answer: B. 8.1.3 Management of change covers planned temporary and permanent changes that affect OH&S performance.

Reference: ISO 45001:2018 clause 8.1.3

Q6 In ISO 45001:2018, continual improvement is:

Answer and explanation

Answer: C. The 2018 edition has 10.1 General, 10.2 Incident, nonconformity and corrective action, 10.3 Continual improvement.

Reference: ISO 45001:2018 clause 10

Q7 Contractors and outsourcing are addressed under:

Answer and explanation

Answer: A. Procurement (8.1.4) includes coordinating with contractors and controlling outsourced functions.

Reference: ISO 45001:2018 clause 8.1.4