Texas Environmental Health Specialist
Exam With Actual Questions & Verified
Answers, Plus Explained
Rationales/Expert Verified For
Guaranteed 100% Pass 2026/Latest
Update/Instant Download Pdf
1. Which of the following is the primary federal agency responsible
for enforcing environmental laws in the United States?
A. CDC
B. USDA
C. EPA
D. OSHA
Rationale: The Environmental Protection Agency (EPA) is the primary
federal agency tasked with enforcing environmental laws and
regulations.
2. What is the most effective method to prevent the spread of
waterborne diseases in a community?
A. Boiling water
B. Proper water treatment and sanitation
C. Using antibiotics
D. Regular hand washing
Rationale: Ensuring safe drinking water through treatment and proper
sanitation is the most effective way to prevent waterborne diseases.
, 3. Which bacteria is commonly associated with foodborne illness in
improperly stored poultry?
A. Listeria monocytogenes
B. Salmonella
C. Clostridium tetani
D. Escherichia coli O157:H7
Rationale: Salmonella is a leading cause of foodborne illness,
especially in undercooked or improperly stored poultry.
4. What is the maximum allowable lead concentration in drinking
water under EPA standards?
A. 5 ppb
B. 10 ppb
C. 15 ppb
D. 20 ppb
Rationale: The EPA sets the action level for lead in drinking water at
15 parts per billion (ppb).
5. Which vector is primarily responsible for transmitting Lyme
disease?
A. Mosquito
B. Flea
C. Tick
D. Rodent
Rationale: Lyme disease is transmitted primarily through the bite of
infected black-legged ticks.
6. In environmental health, the term “dose-response relationship”
refers to:
A. The relationship between water usage and pollution
B. The correlation between the amount of exposure to a hazard
, and the severity of the health effect
C. The speed at which pathogens grow in food
D. The response of the public to health campaigns
Rationale: Dose-response relationship measures how the severity or
probability of a health effect changes with the level of exposure to a
hazard.
7. The primary purpose of the Resource Conservation and Recovery
Act (RCRA) is to:
A. Protect endangered species
B. Regulate the generation, transportation, treatment, and
disposal of hazardous waste
C. Monitor air quality
D. Provide clean water
Rationale: RCRA governs the management of hazardous and
nonhazardous solid waste to protect human health and the
environment.
8. Which of the following is considered a physical hazard in the
workplace?
A. Asbestos
B. Noise
C. Mercury
D. Salmonella
Rationale: Physical hazards include factors like noise, vibration,
temperature extremes, and radiation that can cause injury or illness.
9. What is the main health risk of prolonged exposure to radon gas?
A. Skin cancer
B. Lung cancer
Exam With Actual Questions & Verified
Answers, Plus Explained
Rationales/Expert Verified For
Guaranteed 100% Pass 2026/Latest
Update/Instant Download Pdf
1. Which of the following is the primary federal agency responsible
for enforcing environmental laws in the United States?
A. CDC
B. USDA
C. EPA
D. OSHA
Rationale: The Environmental Protection Agency (EPA) is the primary
federal agency tasked with enforcing environmental laws and
regulations.
2. What is the most effective method to prevent the spread of
waterborne diseases in a community?
A. Boiling water
B. Proper water treatment and sanitation
C. Using antibiotics
D. Regular hand washing
Rationale: Ensuring safe drinking water through treatment and proper
sanitation is the most effective way to prevent waterborne diseases.
, 3. Which bacteria is commonly associated with foodborne illness in
improperly stored poultry?
A. Listeria monocytogenes
B. Salmonella
C. Clostridium tetani
D. Escherichia coli O157:H7
Rationale: Salmonella is a leading cause of foodborne illness,
especially in undercooked or improperly stored poultry.
4. What is the maximum allowable lead concentration in drinking
water under EPA standards?
A. 5 ppb
B. 10 ppb
C. 15 ppb
D. 20 ppb
Rationale: The EPA sets the action level for lead in drinking water at
15 parts per billion (ppb).
5. Which vector is primarily responsible for transmitting Lyme
disease?
A. Mosquito
B. Flea
C. Tick
D. Rodent
Rationale: Lyme disease is transmitted primarily through the bite of
infected black-legged ticks.
6. In environmental health, the term “dose-response relationship”
refers to:
A. The relationship between water usage and pollution
B. The correlation between the amount of exposure to a hazard
, and the severity of the health effect
C. The speed at which pathogens grow in food
D. The response of the public to health campaigns
Rationale: Dose-response relationship measures how the severity or
probability of a health effect changes with the level of exposure to a
hazard.
7. The primary purpose of the Resource Conservation and Recovery
Act (RCRA) is to:
A. Protect endangered species
B. Regulate the generation, transportation, treatment, and
disposal of hazardous waste
C. Monitor air quality
D. Provide clean water
Rationale: RCRA governs the management of hazardous and
nonhazardous solid waste to protect human health and the
environment.
8. Which of the following is considered a physical hazard in the
workplace?
A. Asbestos
B. Noise
C. Mercury
D. Salmonella
Rationale: Physical hazards include factors like noise, vibration,
temperature extremes, and radiation that can cause injury or illness.
9. What is the main health risk of prolonged exposure to radon gas?
A. Skin cancer
B. Lung cancer
