CHESP (Certified Healthcare
Environmental Services Professional)
Exam
Questions And Correct Answers
(Verified Answers) Plus Rationales
2025/2026 Q&A | Instant Download
1.
Which organization primarily regulates worker exposure to
bloodborne pathogens in healthcare facilities?
A. EPA
B. OSHA
C. CDC
D. FDA
Answer: B. OSHA
Rationale: OSHA's Bloodborne Pathogens Standard protects
workers from occupational exposure.
2.
The primary goal of environmental services (EVS) in
healthcare is to:
A. Reduce utility costs
B. Improve patient satisfaction only
,C. Maintain a safe, clean, and sanitary environment
D. Manage food services
Answer: C. Maintain a safe, clean, and sanitary environment
Rationale: EVS programs focus on reducing environmental
contamination and supporting patient safety.
3.
Which pathogen transmission route is most associated with
contaminated surfaces?
A. Airborne
B. Contact
C. Vector-borne
D. Waterborne
Answer: B. Contact
Rationale: Many healthcare-associated infections spread
through contact with contaminated surfaces.
4.
A disinfectant's "contact time" refers to:
A. Employee training time
B. Surface drying time
C. Required wet exposure time on a surface
D. Inspection frequency
Answer: C. Required wet exposure time on a surface
,Rationale: The disinfectant must remain wet for the
manufacturer's specified time to achieve effectiveness.
5.
The term "terminal cleaning" means:
A. Cleaning performed at discharge or transfer
B. Cleaning only hallways
C. Equipment maintenance
D. Daily patient room cleaning
Answer: A. Cleaning performed at discharge or transfer
Rationale: Terminal cleaning removes contaminants before
admitting another patient.
6.
Which waste category includes blood-soaked materials?
A. Municipal waste
B. Recyclable waste
C. Regulated medical waste
D. Hazardous chemical waste
Answer: C. Regulated medical waste
Rationale: Blood-contaminated materials require special
handling and disposal.
7.
, The primary purpose of an Infection Control Risk Assessment
(ICRA) is to:
A. Determine staffing levels
B. Evaluate construction-related infection risks
C. Budget supplies
D. Schedule inspections
Answer: B. Evaluate construction-related infection risks
Rationale: ICRA identifies and mitigates infection risks during
construction projects.
8.
HEPA filtration removes particles at approximately:
A. 50% efficiency
B. 75% efficiency
C. 99.97% efficiency at 0.3 microns
D. 100% efficiency
Answer: C. 99.97% efficiency at 0.3 microns
Rationale: HEPA filters are highly effective for airborne
infection control.
9.
Which color bag is commonly used for regulated medical
waste?
A. Blue
B. Clear
Environmental Services Professional)
Exam
Questions And Correct Answers
(Verified Answers) Plus Rationales
2025/2026 Q&A | Instant Download
1.
Which organization primarily regulates worker exposure to
bloodborne pathogens in healthcare facilities?
A. EPA
B. OSHA
C. CDC
D. FDA
Answer: B. OSHA
Rationale: OSHA's Bloodborne Pathogens Standard protects
workers from occupational exposure.
2.
The primary goal of environmental services (EVS) in
healthcare is to:
A. Reduce utility costs
B. Improve patient satisfaction only
,C. Maintain a safe, clean, and sanitary environment
D. Manage food services
Answer: C. Maintain a safe, clean, and sanitary environment
Rationale: EVS programs focus on reducing environmental
contamination and supporting patient safety.
3.
Which pathogen transmission route is most associated with
contaminated surfaces?
A. Airborne
B. Contact
C. Vector-borne
D. Waterborne
Answer: B. Contact
Rationale: Many healthcare-associated infections spread
through contact with contaminated surfaces.
4.
A disinfectant's "contact time" refers to:
A. Employee training time
B. Surface drying time
C. Required wet exposure time on a surface
D. Inspection frequency
Answer: C. Required wet exposure time on a surface
,Rationale: The disinfectant must remain wet for the
manufacturer's specified time to achieve effectiveness.
5.
The term "terminal cleaning" means:
A. Cleaning performed at discharge or transfer
B. Cleaning only hallways
C. Equipment maintenance
D. Daily patient room cleaning
Answer: A. Cleaning performed at discharge or transfer
Rationale: Terminal cleaning removes contaminants before
admitting another patient.
6.
Which waste category includes blood-soaked materials?
A. Municipal waste
B. Recyclable waste
C. Regulated medical waste
D. Hazardous chemical waste
Answer: C. Regulated medical waste
Rationale: Blood-contaminated materials require special
handling and disposal.
7.
, The primary purpose of an Infection Control Risk Assessment
(ICRA) is to:
A. Determine staffing levels
B. Evaluate construction-related infection risks
C. Budget supplies
D. Schedule inspections
Answer: B. Evaluate construction-related infection risks
Rationale: ICRA identifies and mitigates infection risks during
construction projects.
8.
HEPA filtration removes particles at approximately:
A. 50% efficiency
B. 75% efficiency
C. 99.97% efficiency at 0.3 microns
D. 100% efficiency
Answer: C. 99.97% efficiency at 0.3 microns
Rationale: HEPA filters are highly effective for airborne
infection control.
9.
Which color bag is commonly used for regulated medical
waste?
A. Blue
B. Clear
