Cole's EHS NEHA Exam Study Guide With Complete Solution 2023

Cole's EHS NEHA Exam Study Guide With Complete Solution 2023 How do you filter out giardia lambia? - Rapid sand filtration Pharmaceuticals in water treatment plants are - Both solid and liquid Which mosquito is the highest cause of encephalitis in the US? - Culex What is it called when milk is heated to 191-212 - Pasteurization Order of priority: power outage at restaurant, chlorine gas leak at pool, no hand sink at food festival - Chlorine gas, power outage, no hand sink What is an antibacterial agent used on skin tissue called ? - Antiseptic What is the most common cockroach in US? - German What type of cockroach is referred to as a water bug? - Either American or Oriental What is the minimum distance between a water line and a sewer line in a trailer park? - 10 ft What is the slope for ramps determined by the Americans with Disabilities Act (ADA) - 1:12 or less NSF and USL are organizations that - Certify food service equipment. What is the amount of soil you must put on a finished landfill - 24 inches What is most likely to carry Hantavirus? - Rodents Which is least likely to cause bites and itching in an urban setting - Ticks What does HACCP stand for? - Hazard Analysis and Critical Control Points Methemoglobinemia (a blood disorder) is caused by : - Nitrates Hazardous waste : CRIT - Corrosive, reactive, ignitable, toxic Organization that tests breathing apparatus - OSHA Who is the incident commander? - The person with jurisdiction, person responsible for all aspects of emergency response What is the calculation for pool turnover rate? - Turnover rate (hours)= pool volume (gallons) / flow rate (gallons per minute) x 60 (minutes per hour) Sous vide foods can lead to what foodborne illness? - Clostridium botulinum What can you use after a national disaster? - Canned goods Where do you store iced fish in the refrigerator? - Below ready to eat foods and above raw meats What is considered comminuted? - Hot dogs and hamburgers What is bacteria that cannot grow in oxygen called? - Anaerobic Which of these is different from the others? NSF, UL, ASNI, TLE - TLE Freezing a toxin will have what affect? - No affect True of false? Alpha particles are easily absorbable - True (easiest to absorb to hardest to absorb: gamma , beta, alpha), What can alpha particles be blocked by? - A sheet of paper (beta can pass through paper, stopped by aluminum. Gamma is difficult to stop, needs concrete or other heavy shielding What kind of respirator do you need in 15% oxygen - SCBA (self contained breathing apparatus Who regulates proper respirators? - OSHA (occupational safety and health administration) What is the gap in an ice machine for? - Air gap to prevent backflow contamination Giardia cyst concentration that causes disease - 500:1 What mosquito carries malaria? - Anopheles What cockroach is most common in urban areas - German What was modeled after the National Emergency Response - NIMS (national incident management system) The REHS did something that they knew was unlawful and they did it in an unapproved way - Malfeasance What role can REHS perform when helping with an ice machine to prevent contamination - Create a cleaning schedule There has been a flood and the septic tank has not been buried. What is a concern for pumping? - Floating of the tank Noscomial infections are most severe in - Hospitals Which airflow from hospitals is least critical? - Hallway to dirty laundry area What is NIMS? - National Incident Management System , a systematic proactive approach to guide departments and agencies at all levels of government What is ICS? - Incident Command System , a systematic tool for the command, control, and coordination of emergency response Depth to water table of six inches requires a - Sand mound Fast food facilities create the most - F.O.G (fats, oil, grease) Which bacteria does HACCP target? - Listeria monocytogenes Prevailing winds ... - Blow predominantly from a single direction over a particular point on earth's surface What is the first thing you do if you come across mold in a room? - Open a window What is the effect of adding co2 to a septic tank? - Lowers ph What disease is commonly spread through wastewater? - Hep A What guidance do you give a homeowner with a new septic tank? - Pump regularly What is the best system for a small community? - Rapid sand Nitrogen is transformed into what during conventional biological processes? - Ammonia and biological sludge A family complains of multiple bites and a rash. What is the least likely organism to cause it? - Tick There is a vacant lot that has been used for dumping of unwanted items. What is the correct action that REHS should perform? - Contact the owner and explain the public health dangers, including the harboring of rodents. Discuss measures to get the site cleaned up, as well as blocking the area/post no dumping signs During an emergency event, there is a worry about a hanta virus outbreak. What educational measures should be put into place to help the public - How to prevent rodents Define toxicity - Toxic wastes are harmful or fatal when ingested or absorbed Define Corrosivity - Corrosive wastes are acids or bases and are capable of corroding metal containers ex: battery acid Define reactivity - Reactive wastes are unstable under normal conditions. They can cause explosions, undergo violent reactions, generate toxic fumes, gas , or vapors when heated compressed or mixed with water. Example: lithiumsulfur batteries Define ignitability - Ignitable wastes can create fires under certain conditions, are spontaneously combustible, or have a flash point less than 60 degrees celcius. Ex: waste oils What is due process? - fair treatment through the normal judicial system, especially as a citizen's entitlement. Amend 5, 6 What is not a concern of silicosis? - Tiles containing asbestos What part of schools should be tested for radon? - First floor classrooms What is the biggest obstacle in communicating food inspection results? - Loud/busy kitchen What would be least likely to contain asbestos? - Ceramic tiles What type of soil is best for onsite wastewater systems? - Red, brown, or yellow soil How fast can chemical food poisoning symptoms occur? - One hour What is it called when you clean human skin? - Asepsis What is the ph range of staph - 4.0-9.8 Chemical sanitizer does what? - Kills some but not all bacteria. Usually reduces to a generally acceptable level for public health standards What are the three primary water pollutants? - Nutrients, sediments, chemicals? Which agency would you refer to for writing water policy? EPA, AWWA, NGWA, UsGS - Ngwa (national ground water association) What is the correct order of inspections based on priority? - Recalls, food inspection, failure of a residential septic system Come across a gasoline spill on the highway, what are the appropriate steps to take - Contain the spill Which is an example or a non-communicable disease? (Diabetes, cholera, influenza, measles - Diabetes