Texas Environmental Health Specialist Practice Exam Questions & Answers

Texas Environmental Health Specialist Pr
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actice Exam Questions And Correct Answ
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ers (Verified Answers) Plus Rationales
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2026|2027 Q&A | Instant Download Pdf b b b b b




1. Which agency is primarily responsible for environmental health
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regulation in Texas? b b




A. Texas Commission on Environmental Quality (TCEQ)
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B. Environmental Protection Agency (EPA) b b b



C. Texas Department of State Health Services (DSHS)
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D. Texas Water Development Board (TWDB)
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DSHS regulates environmental health services at the state level, including f
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ood safety, vector control, and sanitation.
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2. What is the maximum allowable contaminant level for nitrate in
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drinking water as per EPA standards?
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A. 5 mg/L
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B. 10 mg/L
b



C. 15 mg/L
b



D. 25 mg/L
b

,The EPA has set the Maximum Contaminant Level (MCL) for nitrate at 10 mg
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/L as nitrogen to protect infants from methemoglobinemia.
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3. Which of the following best describes the term "vector" in
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environmental health? b




A. A radioactive contaminant
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B. A pesticide used to kill insects
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C. An organism that transmits disease
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D. A microbial agent
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A vector is any organism, such as a mosquito or tick, that transmits pathoge
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ns from one host to another.
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4. The best method for preventing foodborne illness in restaurants is:
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A. Freezing foods b



B. Washing produce b



C. Maintaining proper food temperatures b b b



D. Using gloves b



Maintaining proper hot and cold holding temperatures is the most effective
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way to prevent bacterial growth in food.
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5. Which federal act governs safe drinking water standards?
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A. Clean Water Act b b



B. Safe Drinking Water Act b b b



C. Resource Conservation and Recovery Act b b b b



D. Comprehensive Environmental Response Act b b b



The Safe Drinking Water Act (SDWA) sets standards for drinking water quali
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ty and oversees states and water suppliers.
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6. Which of the following is the most effective way to eliminate c
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ockroach infestations? b

, A. Spraying with air freshener b b b



B. Burning infested areas b b



C. Removing food, water, and shelter sources b b b b b



D. Keeping windows open b b



Integrated pest management emphasizes removing access to food, water, a
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nd shelter to control pests like cockroaches.
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7. A septic system must be inspected:
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A. Once every ten yearsb b b



B. Only when problems occur
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C. Regularly as per local codes or every 3-5 years
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D. Only during property sales
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Regular inspection of septic systems helps prevent failures and protects pub
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lic health.
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8. What type of fire extinguisher should be used on grease fires?
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A. Class A b



B. Class K b



C. Class C b



D. Class B b



Class K extinguishers are specifically designed for kitchen fires involving coo
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king oils and fats.
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9. A major function of environmental health professionals is:
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A. Conducting surgeries b



B. Enforcing health codes b b



C. Writing environmental novels b b



D. Selling environmental products
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Environmental health specialists enforce public health and safety regulatio
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ns and inspect facilities for compliance.
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