What do you call a potential source of any harm or adverse effect to anyone?

• Danger

• Hazard

• Risk

• Threat

Which authorities does NOT involve in OSH?

• National Institute of Occupational Safety and Health (NIOSH)

• Department of Occupational Safety & Health (DOSH)

• Department of Social Welfare Malaysia

• Ministry of Health Malaysia (MoH)

Listed below are the sectors that covered under Occupational Safety and Health Act (OSHA), EXCEPT

• armed forces

• manufacturing

• hotels and restaurants

• public services and statutory authorities

In which year the Occupational Safety and Health Act was enforced?

• 1954

• 1964

• 1984

• 1994

Most accidents follow a three-step sequence, except

• Initiation

• Propagation

• Identification

• Termination

Which of these technique shows minimization technique based on inherent safety principle?

• Use solvent that are less toxic

• Change from large batch reactor to smaller continuous reactor

• Reduce process temperature and pressure

• Reduce storage inventory of raw materials

Toxicant enter biological organisms by the following route

• Inhalation

• Ingestion

• Injection

• Swimming

Which of this statement is TRUE about toxicology study?

• Toxicology test run on small population of sample

• The normal distribution represent the biological response to exposure of toxicant

• The age factor is the least factor to be considered in the study

• Toxicology study can only be done to animal

The following are the type of TLV, EXCEPT

• TLV-W

• TLV-C

• TLV-STEL

• TLC-TWA

The term LD in the response versus log dose curves means..

• Log Dose

• Lag dose

• Lethal dose

• Lethal diagram