Incident Investigation and Reporting Flashcards
7 cards from real CHST practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Incident Investigation and Reporting flashcards as text
Which analytical method uses a diagram shaped like a fish skeleton to systematically display causes of an incident?
Answer: Ishikawa (fishbone) diagram
The Ishikawa or fishbone diagram visually maps cause-and-effect relationships, organizing contributing factors into categories such as personnel, equipment, environment, and procedures.
Under OSHA recordkeeping rules, which of the following injuries is NOT recordable on the OSHA 300 log?
Answer: First aid treatment only
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.
When applying change analysis to an incident, the investigator compares the accident situation to:
Answer: The normal or standard condition before the change
Change analysis identifies what was different from the normal operating condition and evaluates whether that deviation contributed to the incident.
A worker slips on spilled hydraulic fluid and fractures a wrist. Which barrier failed in this scenario according to barrier analysis?
Answer: Physical barrier preventing fluid from reaching the floor
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.
Which OSHA standard requires employers in general industry to report an in-patient hospitalization of one or more employees within 24 hours?
Answer: 29 CFR 1904.39
29 CFR 1904.39 mandates that employers report work-related in-patient hospitalizations, amputations, and losses of an eye to OSHA within 24 hours.
What is the PRIMARY purpose of conducting a post-incident critique or after-action review immediately following a significant construction incident?
Answer: Capture time-sensitive information and identify immediate corrective actions
Post-incident critiques conducted quickly preserve fresh witness recollections and physical evidence, enabling prompt identification and implementation of corrective actions.
During a CHST incident investigation, a witness refuses to provide a written statement. The BEST approach is to:
Answer: Document the refusal and interview other witnesses while noting the gap
Investigators should document a witness's refusal, continue gathering information from available sources, and note the evidentiary gap without drawing unwarranted conclusions.