Cole's EHS NEHA Exam Study Guide 100% Complete Latest Version 2023 A family complains of multiple bites and a rash. What is the least likely organism to cause it? - CORRECT ANSWER Tick
A hydropneumatic tank typically contains what percent of its volume of water? - CORRECT ANSWER 20% or 1/5
A minimum of_______ feet squared of sleeping area per person is required in the APHA appraisal method - CORRECT ANSWER 40
Acceptable sludge disposal? - CORRECT ANSWER Agriculture, landfill, incineration, ocean dumping
Any person who violates any of the health or quarantine laws may be guilty of - CORRECT ANSWER A misdemeanor
Are employers required to provide training in hazardous materials? - CORRECT ANSWER Yes, it is required by OsHA
At what temperature is chlorine most effective? - CORRECT ANSWER 78 degrees F
At what temperature would you store a pool chemical test kit? - CORRECT ANSWER 36-85 degrees F
At what temperatures are shell eggs received? - CORRECT ANSWER 45 degrees F or less
Bacteria activity in soil ceases when - CORRECT ANSWER Moisture content is less than 14-16%
Before REHS begins a community project - CORRECT ANSWER Meetings of the community group must be called to identify problems
By how many millions of people is the population increasing? - CORRECT ANSWER 80 million per year
Chemical sanitizer does what? - CORRECT ANSWER Kills some but not all bacteria.Usually reduces to a generally acceptable level for public health standards
Come across a gasoline spill on the highway, what are the appropriate steps to take - CORRECT ANSWER Contain the spill
Contamination in a block of ice can be identified by - CORRECT ANSWER Discoloration in the geometric center 1 / 3
Decontamination of a radioactive spill should occur from - CORRECT ANSWER The least contaminated areas to the most contaminated areas
Define Corrosivity - CORRECT ANSWER Corrosive wastes are acids or bases and are
capable of corroding metal containers ex: battery acid
Define ignitability - CORRECT ANSWER Ignitable wastes can create fires under certain conditions, are spontaneously combustible, or have a flash point less than 60
degrees celcius. Ex: waste oils
Define malfeasance - CORRECT ANSWER Wrongful conduct, doing something unlawful and in an unapproved way
Define misfeasance - CORRECT ANSWER Doing a proper act in an improper manner
Define nonfeasance - CORRECT ANSWER Not acting when you should. Ex: not
closing a restaurant when an imminent health hazard is observed
Define reactivity - CORRECT ANSWER Reactive wastes are unstable under normal conditions. They can cause explosions, undergo violent reactions, generate toxic fumes, gas , or vapors when heated compressed or mixed with water. Example: lithiumsulfur batteries
Define toxicity - CORRECT ANSWER Toxic wastes are harmful or fatal when ingested or absorbed
Depth to water table of six inches requires a - CORRECT ANSWER Sand mound
Dichloroethylene: - CORRECT ANSWER 1.1: solvents 1,2: cleaning fluid
Drainline of an icecream machine should connect to - CORRECT ANSWER A sewer by an open receptacle with an air gap
During an emergency event, there is a worry about a hanta virus outbreak. What educational measures should be put into place to help the public - CORRECT ANSWER How to prevent rodents
Dusts are formed by what mechanism? - CORRECT ANSWER Mechanical disintegration
Excessive condensation, corrosion, and mildew can occur when relative humidity exceeds - CORRECT ANSWER 60%
Excessive condensation, corrosion, and mildew occur when the relative humidity exceeds - CORRECT ANSWER 60% 2 / 3
External contamination of radiation can be reduced by what percent by removing external clothing? - CORRECT ANSWER 90%
Fast food facilities create the most - CORRECT ANSWER F.O.G (fats, oil, grease)
Flu virus is mainly passed via - CORRECT ANSWER HumCORRECT ANSWER
Fluorides cause what damage in cattle? - CORRECT ANSWER Crippling skeletal damage
Freezing a toxin will have what affect? - CORRECT ANSWER No affect
Giardia cyst concentration that causes disease - CORRECT ANSWER 500:1
Ham sandwich prepared by caterer must be discarded after how many hours? - CORRECT ANSWER 4 hours
Hazardous waste : CRIT - CORRECT ANSWER Corrosive, reactive, ignitable, toxic
How do you dispose of an animal carcass? - CORRECT ANSWER Burial, incineration, composting
How do you filter out giardia lambia? - CORRECT ANSWER Rapid sand filtration
How does meat spoil? - CORRECT ANSWER Beef spoils from surface inward. Pork spoils bone outward. Ground beef decomposes rapidly
How fast can chemical food poisoning symptoms occur? - CORRECT ANSWER One hour
How frequently are emergency response plCORRECT ANSWER , nuclear power plCORRECT ANSWER , reviewed? - CORRECT ANSWER Every two years
How is E. coli 0157: H7 spread? - CORRECT ANSWER By direct contact and under-
cooked food
How is Hep A contracted? - CORRECT ANSWER Fecal-Oral
How many tips of healthy housing are there? - CORRECT ANSWER 7
How much air do humCORRECT ANSWER breathe? - CORRECT ANSWER 35 lbs per day
How much food does an adult rat eat? - CORRECT ANSWER 1 oz of food per day
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