ISA Utility Arborist Master (All Sections) FINAL EXAM CERTIFICATION *Q&A* (100% Correct) 2025/2026 |VERIFIED| True/False
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Course
Arborist
Institution
Arborist
ISA Utility Arborist Master (All Sections)
FINAL EXAM CERTIFICATION *Q&A*
(100% Correct) 2025/2026 |VERIFIED|
True/False
**1.** A high-reliability organization would always accept an employee's first request for personal
protective equipment.
**False**
**2.** The necessity of...
ISA Utility Arborist Master (All Sections)
FINAL EXAM CERTIFICATION *Q&A*
(100% Correct) 2025/2026 |VERIFIED|
True/False
**1.** A high-reliability organization would always accept an employee's first request for personal
protective equipment.
**False**
**2.** The necessity of performing safety meetings and work briefings is never questioned in a high-
reliability organization.
**False**
**3.** Published safety data for utility arboriculture is readily available.
**False**
**4.** Employers are required to create a safe workplace simply by eliminating all known hazards.
**False**
**5.** Providing personal protective equipment at no cost to employees is the recommended approach
for creating a safe workplace.
**False**
**6.** The best way for an employer to ensure a safe workplace is to grant employees full control over
their work environment.
**True**
**7.** Informing employees about their rights and responsibilities under the company's safety program
is part of creating a safe workplace.
1
,**False**
**8.** Unsafe acts can be caused by willful rule violations, malicious behavior, and human error.
**True**
**9.** Unsafe acts can include not following active listening techniques with customers and improperly
using personal protective equipment.
**False**
**10.** The term "accident" is avoided because it implies outcomes are due to equipment failure.
**False**
**11.** The term "accident" is no longer used because it suggests the outcome is due to ignorance.
**False**
**12.** The term "accident" is in disfavor because it implies outcomes are purely due to bad luck.
**False**
**13.** The term "accident" is avoided as it suggests outcomes result from a lack of training.
**False**
**14.** A worker who does not wear cut-resistant chaps while operating a chainsaw is committing an
unsafe condition, while the employer’s failure to provide chaps constitutes an unsafe act.
**True**
**15.** According to ANSI Z133, the minimum safe distance from a 7.2 kV line for qualified line-
clearance arborists is 10 feet/3.25 meters.
**True**
2
,**16.** Surface temperatures at the point of contact with high voltage can reach temperatures as high
as 2000°C/1832°F.
**False**
**17.** Indirect contact occurs when a person touches an energized fixture, while direct contact occurs
when someone touches a conductive object in contact with an energized fixture.
**False**
**18.** The zone directly under the transmission wires and extending outward about 10 feet/3 meters
on either side is called the wire zone.
**True**
**19.** The border zone refers to the section of transmission right of way not directly under the wires
but extending outward about 10 feet/3 meters on each side.
**True**
**20.** A substance is classified as a poison if its oral LD50 is lower than 50 milligrams per kg of body
weight, or its dermal LD50 is lower than 200 mg per kg of body weight.
**True**
**21.** Integrated Vegetation Management (IVM) targets plants that pose environmental, social, or
economic risks, including noxious weeds and invasive species.
**True**
**22.** SMART objectives for IVM are specific, measurable, achievable, relevant, and timely.
**True**
**23.** Level 1 risk assessments examine large tree populations to identify those with an imminent or
probable risk of failure.
**True**
3
, **24.** Vegetation management techniques that control vegetation based on specific action thresholds
include considerations for height, density, and other conditions.
**True**
**25.** Mechanical control methods are most effective and cost-efficient for clearing dense vegetation
during initial establishment or reclaiming overgrown rights of way.
**True**
**26.** When properly selected and applied, herbicides can promote diversity in plant life, wildlife, and
soil while reducing chronic disturbance.
**True**
**27.** Acute toxicity refers to the type of toxicity resulting from a single exposure or a short period of
exposure to a substance.
**True**
**28.** A safe buffer zone of 100 feet is required between a chemical mixing site and any body of water
or wetland.
**True**
**29.** Chemical side pruning involves applying non-translocatable herbicides to control specific
branches growing toward utility facilities.
**True**
**30.** Biological control uses natural competition, animals, insects, or pathogens to establish and
conserve stable, compatible plant communities.
**True**
**31.** The section of a utility transmission right of way under the wires and extending outward to a
specific distance is called the wire zone.
**True**
4
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