CHST Incident Investigation and Reporting 4

Question 1

Which analytical method uses a diagram shaped like a fish skeleton to systematically display causes of an incident?

Accepted Answer

Ishikawa (fishbone) diagram

Answer

The Ishikawa or fishbone diagram visually maps cause-and-effect relationships, organizing contributing factors into categories such as personnel, equipment, environment, and procedures.

Question 2

Under OSHA recordkeeping rules, which of the following injuries is NOT recordable on the OSHA 300 log?

Accepted Answer

First aid treatment only

Answer

Cases requiring only first aid (as defined by 29 CFR 1904.7) are not recordable; medical treatment beyond first aid, restricted work, or lost workdays trigger recordability.

Question 3

When applying change analysis to an incident, the investigator compares the accident situation to:

Accepted Answer

The normal or standard condition before the change

Answer

Change analysis identifies what was different from the normal operating condition and evaluates whether that deviation contributed to the incident.

Question 4

A worker slips on spilled hydraulic fluid and fractures a wrist. Which barrier failed in this scenario according to barrier analysis?

Accepted Answer

Physical barrier preventing fluid from reaching the floor

Answer

Barrier analysis examines controls placed between a hazard and a target; here, a physical containment barrier (drip pan, berm, or housekeeping protocol) failed to prevent fluid accumulation on the walking surface.

Question 5

Which OSHA standard requires employers in general industry to report an in-patient hospitalization of one or more employees within 24 hours?

Accepted Answer

29 CFR 1904.39

Answer

29 CFR 1904.39 mandates that employers report work-related in-patient hospitalizations, amputations, and losses of an eye to OSHA within 24 hours.

CHST - Construction Health and Safety Technician Practice Test

CHST - Construction Health and Safety Technician Practice Test

CHST Incident Investigation and Reporting 4