REHS EXAMS BUNDLE | Questions with Correct Verified Answers

apeworm infection is probably due to: - ANSWER echinococcus most outdoor air emissions are derived from - ANSWER transportation indoor air quality depends on - ANSWER sources of air pollution in the building, sources of pollution outside the building, and the exchange of air between the inside an...

. A factor or agent which increases the risk of cancer is known as a a. teratogen b. mutagen c. carcinogen d. fomite - ANSWER carcinogen 2. The four major causes of death among all age groups of Americans include all of the following except. a. homicide b. accidents c. malignant neoplasms ...

2 types of waste - ANSWER Organic- can be broken down Inorganic- cannot be broken down Oraganic Load - ANSWER BOD(dissolved solids)/ TSS( solids you can see) What does a NPDES require? - ANSWER All WWTP's have to have secondary treatment with 80% BOD and TSS

unsanitary water related to ____% all morbidity in the world - ANSWER 80 ground water - saturated zone - ANSWER where water is pulled from gravity due to openings in soil and rock surface water - vadose zone - ANSWER part of unsaturated zone artesian well - ANSWER well that goes thru confining l...

Which of the following organisms are most resistant to unfavorable environmental conditions and indicate past of possibly intermittent pollution? a. fecal streptococci b. eschericha coli c. aerobacter aerogenes d. clostridium sporulates - ANSWER clostridium sporulates The presence of which of ...