Rehs stuvia - Study guides, Class notes & Summaries

REHS Exam: Review Questions &Answers 100% Correct(Rated A) REHS Exam: Review Questions &Answers 100% Correct(Rated A) REHS Exam: Review Questions &Answers 100% Correct(Rated A) REHS Exam: Review Questions &Answers 100% Correct(Rated A) REHS Exam: Review Questions &Answers 100% Correct(Rated A) REHS Exam: Review Questions &Answers 100% Correct(Rated A) REHS Exam: Review Questions &Answers 100% Correct(Rated A) REHS Exam: Review Questions &Answers 1...

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-coli...

Tapeworm 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 a black light is used by food insp...

1. 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 3. In recent years, the largest number of rabies cases were associated with a. skunks b. bats c. dogs d. raccons. - ANSWER-skunks 4. Asbes...

What is the depth at which flies can emerge from a landfill? - ANSWER-6 inches compacted and 5 inches noncompacted Why is the use of cooper sulfate crystals recommended for some septic tanks systems - ANSWER-It will destroy roots that the solutions comes in contact with What is the overall purpose of bar screens, comminutors, and grit chambers when it comes to wastewater treatment? - ANSWER-It removes larger solid What is the most plentiful form of available water? - ANSWER-Groundwater ...

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 - ANSWERSan 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 st...

What is an emetic? Describe a few examples observed in Environmental Health. - ANSWER-It is a chemical that induces vomiting. In E.H. emetics are used in Vector Control for rodent control, Red Squill What does USDA stamp on meat signify? - ANSWER-The meat products have been processed and inspected by the USDA (United State Department of Agriculture) and has passed food quality inspections Mobile Home parks are monitored by what Federal agency? - ANSWER-Housing and Urban Development (HUD) ...

Which of the following soil conditions is the most favorable for removal of viruses? - ANSWER-Fine loamy sand over course sand & gravel Which of the following organisms are most resistant to unfavorable env. conditions & indicates past or possibly intermittent pollution? - ANSWER-Clostridium sporulates Which of the following wells is considered the most dependable source of water & is less likely to become contaminated? - ANSWER-Drilled wells Which of the following is NOT considered a s...

A Cohert Study is characterized by: - ANSWER-Group of exposed individuals who can easily be identified Allows for comparison of risk by what was and was not eaten ex: wedding A Case-Control Study is characterized by: - ANSWER-Exposed group that is very large or not easily identified Compares ill with non-ill to determine the likelihood of having eaten a specific food ID's possible causes of disease by seeing how two groups differ w/r/to some exposure factor When do we generally determ...

What are the treatment processes in PRELIMINARY Wastewater Treatment? - ANSWER-Screening Comminution Grit Removal Pre-Aeration Flow Metering / Sampling What are the treatment processes in PRIMARY Wastewater Treatment? - ANSWER-Sedimentation / Flotation What are the treatment processes in SECONDARY Wastewater Treatment? - ANSWER-Biological Treatment (ie activated sludge, trickling filters, rotating biological contactor (RBC)) Sedimentation What are the treatment processes in TERTI...