COLE'S EHS NEHA EXAM STUDY GUIDE Questions and Correct Solutions 2024/2025

COLE'S EHS NEHA EXAM STUDY GUIDE Questions and Correct Solutions 2024 How do you filter out giardia lambia? - Answer -Rapid sand filtration Pharmaceuticals in water treatment plants are - Answer -Both solid and liquid Which mosquito is the highest cause of encephalitis in the US? - Answer -Culex What is it called when milk is heated to 191-212 - Answer -Pasteurization Order of priority: power outage at restaurant, chlorine gas leak at pool, no hand sink at food festival - Answer -Chlorine gas, power outage, no hand sink What is an antibacterial agent used on skin tissue called ? - Answer -Antiseptic What is the most common cockroach in US? - Answer -German What type of cockroach is referred to as a water bug? - Answer -Either American or Oriental What is the minimum distance between a water line and a sewer line in a trailer park? - Answer -10 ft What is the slope for ramps determined by the Americans with Disabilities Act (ADA) - Answer -1:12 or less NSF and USL are organizations that - Answer -Certify food service equipment. What is the amount of soil you must put on a finished landfill - Answer -24 inches What is most likely to carry Hantavirus? - Answer -Rodents Which is least likely to cause bites and itching in an urban setting - Answer -Ticks What does HACCP stand for? - Answer -Hazard Analysis and Critical Control Points Methemoglobinemia (a blood disorder) is caused by : - Answer -Nitrates Hazardous waste : CRIT - Answer -Corrosive, reactive, ignitable, toxic Organization that tests breathing apparatus - Answer -OSHA Who is the incident commander? - Answer -The person with jurisdiction, person responsible for all aspects of emergency responseWhat is the calculation for pool turnover rate? - Answer -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? - Answer -Clostridium botulinum What can you use after a national disaster? - Answer -Canned goods Where do you store iced fish in the refrigerator? - Answer -Below ready to eat foods and above raw meats What is considered comminuted? - Answer -Hot dogs and hamburgers What is bacteria that cannot grow in oxygen called? - Answer -Anaerobic Which of these is different from the others? NSF, UL, ASNI, TLE - Answer -TLE Freezing a toxin will have what affect? - Answer -No affect True of false? Alpha particles are easily absorbable - Answer -True (easiest to absorb to hardest to absorb: gamma , beta, alpha), What can alpha particles be blocked by? - Answer -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 - Answer -SCBA (self contained breathing apparatus Who regulates proper respirators? - Answer -OSHA (occupational safety and health administration) What is the gap in an ice machine for? - Answer -Air gap to prevent backflow contamination Giardia cyst concentration that causes disease - Answer -500:1 What mosquito carries malaria? - Answer -Anopheles What cockroach is most common in urban areas - Answer -German What was modeled after the National Emergency Response - Answer -NIMS (national incident management system) The REHS did something that they knew was unlawful and they did it in an unapproved way - Answer - Malfeasance What role can REHS perform when helping with an ice machine to prevent contamination - Answer - Create a cleaning schedule There has been a flood and the septic tank has not been buried. What is a concern for pumping? - Answer -Floating of the tank Noscomial infections are most severe in - Answer -HospitalsWhich airflow from hospitals is least critical? - Answer -Hallway to dirty laundry area What is NIMS? - Answer -National Incident Management System , a systematic proactive approach to guide departments and agencies at all levels of government What is ICS? - Answer -Incident Command System , a systematic tool for the command, control,