1
NR 507 Midterm Exam – Advanced
Pathophysiology – (2026-2027) Actual Questions
& Answers (Chamberlain)
QUESTION 1
OSHA's 2024 HazCom final rule 1910.1200 requires manufacturers to update labels
within:
A) 30 days of new hazard info
B) 6 months of new hazard info
C) 1 year of new hazard info
D) No time limit
Rationale: The May 2024 HazCom final rule requires labels to be updated within 6
months after the manufacturer becomes aware of significant new hazard information. This
aligns with the UN GHS Revision 7 & 8 requirements .
QUESTION 2
Fall protection is required at what height for General Industry under 1910.28(b)(1)?
A) 4 feet
B) 6 feet
C) 8 feet
D) 10 feet
Sure pass
,2
Rationale: Under 1910.28(b)(1), fall protection is required at 4 feet in general industry.
This differs from construction, where the trigger height is 6 feet. The Walking-Working
Surfaces Subpart D was updated in 2017 .
QUESTION 3
The PEL for respirable crystalline silica in General Industry 1910.1053 is:
A) 100 μg/m³ TWA
B) 50 μg/m³ TWA
C) 25 μg/m³ TWA
D) 250 μg/m³ TWA
Rationale: 1910.1053(c) established 50 μg/m³ as the 8-hour TWA permissible exposure
limit (PEL) for respirable crystalline silica. The silica standard also requires medical
surveillance and exposure control plans .
QUESTION 4
Which NEP targets warehouses, processing facilities, and distribution centers?
A) Combustible Dust NEP
B) Warehousing and Distribution Centers NEP
C) Heat Illness NEP
D) Amputations NEP
Rationale: The Warehousing and Distribution Centers NEP was launched in July 2023. It
focuses on powered industrial trucks (PITs), material handling, egress, and ergonomics in
warehousing operations .
Sure pass
,3
QUESTION 5
OSHA's Heat NEP applies to:
A) Outdoor work only
B) Both indoor and outdoor work
C) Construction only
D) Agriculture only
Rationale: The Heat Illness NEP covers all industries where heat hazards exist, including
both indoor (foundries, bakeries, warehouses) and outdoor (construction, agriculture) work
environments .
QUESTION 6
Emergency action plans are required under 1910.38 for employers with:
A) 10 or more employees
B) 11 or more employees
C) 20 or more employees
D) 50 or more employees
Rationale: 1910.38(b) requires a written Emergency Action Plan when an employer has
11 or more employees. This plan must include evacuation procedures and emergency
contact information .
Sure pass
, 4
QUESTION 7
The action level for occupational noise 1910.95 is:
A) 80 dBA TWA
B) 85 dBA TWA
C) 90 dBA TWA
D) 100 dBA TWA
Rationale: 1910.95(c)(2) defines 85 dBA as the action level triggering a hearing
conservation program, which includes audiometric testing and hearing protection. The PEL
is 90 dBA .
QUESTION 8
Walking-Working Surfaces Subpart D was updated in:
A) 2010
B) 2017
C) 2020
D) 2024
Rationale: The Walking-Working Surfaces (Subpart D) was updated in 2017. Key changes
included updating fall protection trigger heights and ladder safety requirements .
QUESTION 9
Under OSHA's electronic recordkeeping rule, employers with 100+ employees in high-
hazard NAICS codes must submit OSHA 300, 300A, and 301 data by:
Sure pass
NR 507 Midterm Exam – Advanced
Pathophysiology – (2026-2027) Actual Questions
& Answers (Chamberlain)
QUESTION 1
OSHA's 2024 HazCom final rule 1910.1200 requires manufacturers to update labels
within:
A) 30 days of new hazard info
B) 6 months of new hazard info
C) 1 year of new hazard info
D) No time limit
Rationale: The May 2024 HazCom final rule requires labels to be updated within 6
months after the manufacturer becomes aware of significant new hazard information. This
aligns with the UN GHS Revision 7 & 8 requirements .
QUESTION 2
Fall protection is required at what height for General Industry under 1910.28(b)(1)?
A) 4 feet
B) 6 feet
C) 8 feet
D) 10 feet
Sure pass
,2
Rationale: Under 1910.28(b)(1), fall protection is required at 4 feet in general industry.
This differs from construction, where the trigger height is 6 feet. The Walking-Working
Surfaces Subpart D was updated in 2017 .
QUESTION 3
The PEL for respirable crystalline silica in General Industry 1910.1053 is:
A) 100 μg/m³ TWA
B) 50 μg/m³ TWA
C) 25 μg/m³ TWA
D) 250 μg/m³ TWA
Rationale: 1910.1053(c) established 50 μg/m³ as the 8-hour TWA permissible exposure
limit (PEL) for respirable crystalline silica. The silica standard also requires medical
surveillance and exposure control plans .
QUESTION 4
Which NEP targets warehouses, processing facilities, and distribution centers?
A) Combustible Dust NEP
B) Warehousing and Distribution Centers NEP
C) Heat Illness NEP
D) Amputations NEP
Rationale: The Warehousing and Distribution Centers NEP was launched in July 2023. It
focuses on powered industrial trucks (PITs), material handling, egress, and ergonomics in
warehousing operations .
Sure pass
,3
QUESTION 5
OSHA's Heat NEP applies to:
A) Outdoor work only
B) Both indoor and outdoor work
C) Construction only
D) Agriculture only
Rationale: The Heat Illness NEP covers all industries where heat hazards exist, including
both indoor (foundries, bakeries, warehouses) and outdoor (construction, agriculture) work
environments .
QUESTION 6
Emergency action plans are required under 1910.38 for employers with:
A) 10 or more employees
B) 11 or more employees
C) 20 or more employees
D) 50 or more employees
Rationale: 1910.38(b) requires a written Emergency Action Plan when an employer has
11 or more employees. This plan must include evacuation procedures and emergency
contact information .
Sure pass
, 4
QUESTION 7
The action level for occupational noise 1910.95 is:
A) 80 dBA TWA
B) 85 dBA TWA
C) 90 dBA TWA
D) 100 dBA TWA
Rationale: 1910.95(c)(2) defines 85 dBA as the action level triggering a hearing
conservation program, which includes audiometric testing and hearing protection. The PEL
is 90 dBA .
QUESTION 8
Walking-Working Surfaces Subpart D was updated in:
A) 2010
B) 2017
C) 2020
D) 2024
Rationale: The Walking-Working Surfaces (Subpart D) was updated in 2017. Key changes
included updating fall protection trigger heights and ladder safety requirements .
QUESTION 9
Under OSHA's electronic recordkeeping rule, employers with 100+ employees in high-
hazard NAICS codes must submit OSHA 300, 300A, and 301 data by:
Sure pass
