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REHS Exam Review Questions and Complete Solutions Graded A+
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REHS Exam Review Questions and Complete Solutions Graded A+
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REHS ExamReview Questions
and Complete
Solutions Graded
A+
Denning [Date] [Course title]
,EBL - Answer: elevated blood level
iron MCL in water - Answer: 4ppm
radon source - Answer: uranium
pH of wastewater - Answer: 6-9 (6.5-8.5avg)
nematodes - Answer: ancylostoma/necator (hookworms), anisakiasis (roundworm), trichinella
(roundworm)
cestodes - Answer: taenia solium and saginata (tapeworms)
trematodes - Answer: schistosoma
12 hour incubation - Answer: Clostridium perfrigens
2 hour incubation - Answer: S. aureus
condemn - Answer: pronounce unfit for use, commonly by official action
embargo - Answer: impound or prohibit departure of a particular item
seizure - Answer: act of taking possession suddenly and lawfully
food associated with Staph. food intoxication - Answer: RTE custard pastries
preventing staph. - Answer: employee hygiene/refrigerating food after prep
,action after blue ring in milk test - Answer: draw blood sample for further testing
death rate when 80 people get infected and 5 die, from area of 8500. - Answer: 531.25 = 5/8 * 8500
what are hydrocarbons characterized by? - Answer: H-C bonding
Where should the vent of heating units be placed? - Answer: Near the heating unit.
Condition that will not contribute to good lighting in class? - Answer: Black board with dull finish.
Product when methane from a landfill leaches into soil and comes into contact with aquifer? - Answer:
hydrolysis of water
Section in hazardous waste for treatment and disposal? - Answer: Federal chapter 42
Primary function of septic tank? - Answer: sedimentation of solids and anaerobic bacteria digestion
sanitary landfill area geological qualities - Answer: location, land area, depth of lock and ground water,
cover material availability, and fire protection
soil depth definition - Answer: top of mineral soil to bedrock
soil profile definition - Answer: lateral face of soil horizon (what soil consists of); can indicate level of
ground water and soil composition materials.
landfill final cover - Answer: 24 inches
type of bacteria found in early stage of closed landfill - Answer: aerobic (saprophytic)
, RCRA resource conservation and recovery act - Answer: regulatory system for storage, treatment, and
disposal of hazardous wastes to protect human health and environment
first step of perc test - Answer: soil profile
veterinarian's and workers' disease - Answer: Brucellosis and anthrax
nickname for tetanus - Answer: lockjaw
fomite - Answer: inanimate object that can harbor infectious agents
purpose of Babcock test - Answer: test butter fats
substance body is more likely to absorb with alcohol in blood? - Answer: phenols
cold food vending machine temp rises above 45F - Answer: automatic cut-off takes place 30 minutes
past loading time
electrostatic precipitator - Answer: produces negatively charged ions to attract positively charged
particulates and settle them out via gravity.
ratio of two sound levels is 100:1, sounds differ by - Answer: 20db
sources of lead in house water supplies - Answer: lead solder joints, lead pipe goosenecks
minutes to hours FBIs - Answer: B. cereus (toxin), scombroid food poisoning, PSP
S. aureus incubation time - Answer: 2-4 hours
incubation time of encephalitis diseases? - Answer: 5-15 days
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