Rehs exam stuvia - Study guides, Class notes & Summaries

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...

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...

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...

When conducting a food inspection, you want to look for ___________________ first - ANSWER-foodborne illness factors first Define Good Retail Practice (GRP) - ANSWER-housekeeping stuff that is not a foodborne illness factor A thin probe thermometer is used to measure what type of temperature? - ANSWER-Internal food temperature When measuring the pH of sushi rice, what type of meter do we use? - ANSWER-probe type, bulk type (liquid solutions) A rating of Satisfactory means ___________...

REHS Exam: Water (Water supply, water treatment, water standards, water contaminants, wells, surface water) with Complete SolutionsREHS Exam: Water (Water supply, water treatment, water standards, water contaminants, wells, surface water) with Complete SolutionsREHS Exam: Water (Water supply, water treatment, water standards, water contaminants, wells, surface water) with Complete Solutions Around what percent of Earth's water is freshwater? - ANSWER-1-3% What is the saturated zone? - ANS...

in collecting a water sample for volatile organic compounds, you need - ANSWERSa 40ml glass vial with septum seal and an acid preservative in choosing a laboratory, health departments must make sure - ANSWERSthey are NJDEPE certified for the test you want performed good public health management requires - ANSWERSintelligence, organizational behavior, human resources, firm knowledge in health and epidedemiology. (all of the above) mixed construction/demolition material consisting of wood...