CHST CHST - Construction Health and Safety Technician Incident Investigation and Reporting Questions and Answers 3

Question 1

Which analysis tool uses a diagram shaped like a fish skeleton to identify multiple root causes of an incident?

Accepted Answer

Ishikawa (fishbone) diagram

Answer

The Ishikawa or fishbone diagram visually maps cause-and-effect relationships to identify multiple contributing factors to an incident.

Question 2

Under OSHA's recordkeeping rule, which of the following is NOT considered a 'first aid' treatment and therefore makes a case recordable?

Accepted Answer

Use of prescription medications

Answer

Use of prescription medications (beyond a single dose on the day of injury) exceeds first aid and makes the case OSHA recordable.

Question 3

A construction worker fractures a finger on a Monday and is placed on restricted work duties for the remainder of the week. How should this be classified on the OSHA 300 Log?

Accepted Answer

Restricted work or job transfer case

Answer

When an injury results in restricted work or job transfer rather than days away, it is recorded as a restricted work case on the OSHA 300 Log.

Question 4

Which incident investigation technique involves repeatedly asking 'why' until the fundamental system failure is identified?

Accepted Answer

5-Whys analysis

Answer

The 5-Whys technique iteratively asks 'why' at each level of cause until the root systemic failure is uncovered.

Question 5

When investigating a near-miss event involving a scaffold plank failure, the investigator should FIRST:

Accepted Answer

Photograph and preserve the scene before disturbance

Answer

Preserving the scene through photographs and physical evidence before any disturbance is the critical first step in a valid incident investigation.

CHST - Construction Health and Safety Technician Practice Test

CHST - Construction Health and Safety Technician Practice Test

CHST CHST - Construction Health and Safety Technician Incident Investigation and Reporting Questions and Answers 3