ISA Certified Arborist Chapter 15 (Tree
Worker Safety) questions and answers
2024\2025 A+ Grade
As used in many standards and regulations, the term _______ denotes a mandatory requirement, and
the term _______ denotes an advisory recommendation.
- correct answer shall
should
Name five pieces of personal protective equipment that are generally required for all tree workers.
- correct answer hard hat
eye protection
hearing protection, when applicable
leg protection, when applicable
sturdy work boots and appropriate clothing
True/False - All communications wires and cables shall be considered to be energized with potentially
fatal voltages and shall never be touched directly or indirectly.
- correct answer True
True/False - OSHA regulates industrial safety and health issues in the United States (OHSA, in Canada)
- correct answer True
The safety standard for tree care operations in the United States is the ______.
- correct answer ANSI Z133
True/False - Head protection need only be worn while there are climbers in the trees.
- correct answer False
, True/False - Eye protection is not required for tree work.
- correct answer False
True/False - Hearing protection may be in the form of ear plugs or ear-muff-type devices.
- correct answer True
True/False - Workers must not wear gauntlet-type gloves while chipping brush.
- correct answer True
If a climber warns, "Stand clear," he or she must not proceed until hearing the acknowledgement,
_______ _______.
- correct answer "all clear"
Each job should begin with a _______ _______, which coordinates the activities of every worker.
- correct answer job briefing
The voice _______ and _______ system ensures that warning signals are heard, acknowledged, and
acted on.
- correct answer command
response
All workers should receive some education and training in _______ _______ procedures including CPR,
first aid, and aerial rescue.
- correct answer emergency response
True/False - Any tree workers who work in proximity to electrical conductors must receive training in
electrical hazards.
- correct answer True
True/False - "Electrical conductor" is defined as any overhead or underground electrical device,
including wires and cables, power lines, and other such facilities.
- correct answer True
Worker Safety) questions and answers
2024\2025 A+ Grade
As used in many standards and regulations, the term _______ denotes a mandatory requirement, and
the term _______ denotes an advisory recommendation.
- correct answer shall
should
Name five pieces of personal protective equipment that are generally required for all tree workers.
- correct answer hard hat
eye protection
hearing protection, when applicable
leg protection, when applicable
sturdy work boots and appropriate clothing
True/False - All communications wires and cables shall be considered to be energized with potentially
fatal voltages and shall never be touched directly or indirectly.
- correct answer True
True/False - OSHA regulates industrial safety and health issues in the United States (OHSA, in Canada)
- correct answer True
The safety standard for tree care operations in the United States is the ______.
- correct answer ANSI Z133
True/False - Head protection need only be worn while there are climbers in the trees.
- correct answer False
, True/False - Eye protection is not required for tree work.
- correct answer False
True/False - Hearing protection may be in the form of ear plugs or ear-muff-type devices.
- correct answer True
True/False - Workers must not wear gauntlet-type gloves while chipping brush.
- correct answer True
If a climber warns, "Stand clear," he or she must not proceed until hearing the acknowledgement,
_______ _______.
- correct answer "all clear"
Each job should begin with a _______ _______, which coordinates the activities of every worker.
- correct answer job briefing
The voice _______ and _______ system ensures that warning signals are heard, acknowledged, and
acted on.
- correct answer command
response
All workers should receive some education and training in _______ _______ procedures including CPR,
first aid, and aerial rescue.
- correct answer emergency response
True/False - Any tree workers who work in proximity to electrical conductors must receive training in
electrical hazards.
- correct answer True
True/False - "Electrical conductor" is defined as any overhead or underground electrical device,
including wires and cables, power lines, and other such facilities.
- correct answer True
