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NEHA Chapter 2 Study Guide – Complete Questions & Answers (2026/2027)

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This NEHA Chapter 2 Study Guide (2026/2027 Edition) provides actual exam‑style questions and answers graded A+. Designed for NEHA students preparing for certification, it covers stress reactions and burnout, hepatitis B immunization, PPE and infection control, tuberculosis protection (N95 respirators), reflective garment standards, emotional stages of dying, CISD (Critical Incident Stress Debriefing), multisystem trauma protocols, pathogen types, and stress management strategies. Perfect for quick revision and guaranteed success, this guide ensures mastery of essential environmental health and EMS safety concepts tested on NEHA exams.

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,COMPREHENSIVE NEHA CHAPTER 2 REHS HAZWOPER ICS NIMS
CERTIFICATION QUESTIONS AND ANSWERS GRADED A+



⩥ How do you filter out giardia lambia? Answer: · Rapid sand filtration


⩥ What agencies respond to bioterrorism attacks? Answer: · First
responders: fire fighters and hazmat, emergency medical personnel, law
enforcement officers, public health officials, health care workers, public
works personnel


· The local Federal Bureau of Investigation (FBI) Weapons of Mass
Destruction (WMD) Coordinator and/or FBI Joint Terrorism Task Force
(JTTF)


⩥ 1. Pharmaceuticals in water treatment plants are:
· Solid
· Liquid
· Both
· Neither Answer: Both


⩥ What mosquito carries malaria? Answer: Anopheles


⩥ Which mosquito is the highest cause of encephalitis in the US?
Answer: Culex

,⩥ What is it called when milk is heated to 191°-212°F? Answer:
Pasteurization


⩥ What is an antibacterial agent used on human skin tissue called?
Answer: Antiseptic


⩥ What is the process of countering microbial infections with the use of
antiseptics? Answer: Antisepsis


⩥ What is the most common cockroach in the US? Answer: German
cockroach


⩥ What type of cockroach is referred to as a water bug? Answer: Either
American or Oriental cockroach


⩥ What is the minimum distance between a water line and a sewer line in
a trailer park? Answer: 10 feet


⩥ What is the slope for ramps determined by the ADA? Answer: 1:12 or
less


⩥ 1. NSF and UL are organizations that do what? Answer: Certify food
equipment

, ⩥ What is the amount of soil you must put on a finished landfill?
Answer: 24 inches


⩥ What is most likely to carry Hantavirus? Answer: Rodents


⩥ What pest is LEAST likely to cause bites and itching in an urban
setting? Answer: Ticks


⩥ What does HACCP stand for? Answer: Hazard Analysis Critical
Control Point


⩥ Methemoglobinemia is caused by what in water? Answer: Nitrates


⩥ What is the first thing you do if you suspect several workers ill from
sick building syndrome? Answer: Interview complainant(s)


⩥ How many tips of healthy housing are there? Answer: 7


⩥ What should an ice machine disposal hook up to? Answer: Floor drain
with air gap


⩥ What bacteria is used as an indicator for sterilization in an autoclave?
Answer: Bacillus sternothermophilus at 10^6

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