Study guides, Class notes & Summaries

Question 1 An action authorized by law to restrict or prevent the movement of goods for the protection of public health, safety and welfare is called Choose one answer. a. an injunction b. an embargo c. an order to cease and desist d. a subpoena - an embargo Question 2 Field observations are not always reported in total because Choose one answer. a. the reported forms are usually inadequate b. the significance of the data is not understood c. the field staff are instructed to limit ...

1. A factor or agent which increases the risk of cancer is known as a a. teratogen b. mutagen c. carcinogen d. fomite - 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 d. heart disease - homicide

QUESTIONS AND ANSWERS

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 the following is most easily identified by laboratory analysis in water contaminated by feces? a. shigella dysenteriae b. coliform c. entamoeba histolytica d. salmonella typhosa - ANSWER coliform

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 layer flowing artesian well - ANSWER water above ground level due to pressure that makes it pass limiting layer

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

Saturated zone - ANSWER all pore spaces filled with water allows water to travel Water table - ANSWER top of saturated zone Vadose zone - ANSWER part of unsaturated zone Flowing artesian well - ANSWER pressure causes water to rise above ground level Aquaclude - ANSWER Confining layer, rock or clay

An action authorized by law to restrict or prevent the movement of goods for the protection of public health, safety and welfare is called Choose one answer. a. an injunction b. an embargo c. an order to cease and desist d. a subpoena - ANSWER an embargo Field observations are not always reported in total because Choose one answer. a. the reported forms are usually inadequate b. the significance of the data is not understood c. the field staff are instructed to limit observations d. ...

. 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 d. heart disease - ANSWER homicide

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 and outside the total amount of oxygen demand in a sample (in mg/L) as measured by a specific strong chemical oxidation procedure is called the: - ANSWER COD

What is the most common mosquito borne disease in the USA today? - ANSWER Encephalitis What is the primary vector and the infectious agent for Eastern Equine Encephalitis? - ANSWER Culisita species mosquito; Viral What is the primary vector for St. Louis Encephalitis, Western Equine Encephalitis, and West Nile Virus? - ANSWER Culex species mosquito