Cole's EHS NEHA Exam Study Guide 2023 with complete
solution
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
solution
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
