Cole's EHS NEHA Exam Study Guide Questions and Answers All Correct Latest Update
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Cole's EHS NEHA Exam Study Guide Questions and Answers All Correct Latest Update
Bacteria activity in soil ceases when - Answer- Moisture content is less than 14-16%
What is onchocerciasis? - Answer- river blindness, caused by a worm and transmitted by black flies
What is scabies? - Answ...
Cole's EHS NEHA Exam Study Guide
Questions and Answers All Correct
2024-2025 Latest Update
Bacteria activity in soil ceases when - Answer- Moisture content is less than 14-16%
What is onchocerciasis? - Answer- river blindness, caused by a worm and transmitted
by black flies
What is scabies? - Answer- Infectious disease of the skin caused by burrowing of the
female mite into the skin where it deposits its eggs
What is leptospirosis? - Answer- Bacterial disease caused by contaminated animal
urine. Symptoms; kidney damage and meningitis
What is enzootic? - Answer- Denoting a disease that regularly affects animals in a
particular district or season
Who are the primary stakeholders of a temporary food event? - Answer- Health
department or regulating authority and the food vendors and event planner
What is the best time for bat proofing? - Answer- Mid autumn through spring
Skimmers and gutters should receive what minimum percent of flow in a standard pool?
- Answer- 60%
What is soda ash used in pool water for? - Answer- To raise the ph
What is a high rate sand filter? - Answer- 12-20 dpm/ ft2
What is shell stock? - Answer- Raw, in shell, molluscum shellfish
What is slacking? - Answer- The gradual thawing of frozen food (increasing from -10 to
25 degrees F ) to prep it for deep-frying or to facilitate even heat penetration.
What is red squill? - Answer- Single dose rodenticide
What is the norway rat home range? - Answer- 100-150 feet
,How much food does an adult rat eat? - Answer- 1 oz of food per day
What is a ratite? - Answer- a flightless bird (emu, ostrich, rhea)
What are the problems of food technology? - Answer- Contamination, food spoilage,
canning spoilage
How does meat spoil? - Answer- Beef spoils from surface inward. Pork spoils bone
outward. Ground beef decomposes rapidly
What is Food Net? - Answer- Foodborne diseases active surveillance network. Has
been monitoring foodborne diseases in US since 1996
What are the holding temps to reduce foodborne illness? - Answer- Hot foods: 135-140
degrees F; cold foods: 40-45 degrees F
When must a priority violation be corrected? - Answer- At time of inspection
When must a priority foundation violation be corrected ? - Answer- Immediately or within
10 days
When must a core violation be corrected? - Answer- Within a 90 day timeframe
What is a core item? - Answer- general sanitation, operational controls, SSOPs,
facilities or structures, equipment design, general maitenance
What is a priority item? - Answer- Quantifiable measure to show control of hazards such
as cooking reheating cooling and handwashing
What is a priority foundation item? - Answer- Purposeful incorporation of specific
actions, equipment, or procedures by industry management. hACCP, record keeping,
labeling
What temperature is chlorine most effective at? - Answer- Per COMAR: 50 ppm @
75degrees F for more than 7 seconds. Per food code: about 75 degrees F
What level of methane is explosive in landfills? - Answer- Between 5-15%
When using liquid, unscented household chlorine bleach to disinfect water in an
emergency , how many drops per gallon should be added? - Answer- 8 drops per gallon
What are white goods? - Answer- Refrigerators, freezers, home appliances
What are the nonpotable uses of water? - Answer- Industrial purposes, agricultural
irrigation, GWr recharge, desert reclamation, fish farming, irrigation of lawns etc,
landscape and golf course watering, toilet flushing
, Where are photochemical oxidants produced? - Answer- The troposphere
Fluorides cause what damage in cattle? - Answer- Crippling skeletal damage
Contamination in a block of ice can be identified by - Answer- Discoloration in the
geometric center
What are the three stages of lakes? - Answer- Oligotrophic (young), mesotrophic,
eutrophic (mature)
What does ozone cause in plants? - Answer- Bleaching, frecks, stipple and growth
suppression
What is a Roentgen? - Answer- A unit of radiation or intensity (x-rays or gamma rays)
Excessive condensation, corrosion, and mildew occur when the relative humidity
exceeds - Answer- 60%
Who protects waterways? - Answer- EPA
What are the outbreak times? - Answer- Less than 1 hour : chemical poisoning
1-7 hours : staphylloccous food poisoning
8-14 hours: C Perfringeas food poisoning
Greater than 14 hrs: other infectious or toxic agents
What is the solid waste collection frequency? - Answer- Residential : 2 times per week
summer, 1 times per week min
Business: daily except sunday
When addressing the public on emergency situation - Answer- Be accurate and
authoritative
What is passive health surveillance? - Answer- Regular reporting of disease data by all
institutions that see patients (or test specimens) and are part of a reporting network
What is HIA ? - Answer- Health impact assessment. A combination of procedures,
methods, or tools by which a policy program or project may be judged as to its potential
effects on the health of a population and the distribution of those effects within the
populatiom
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