EH RS test practice

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What is the correct order for warewashing?

Wash-rinse-sanitize-air dry

How long should employees wash their hands?

For a minimum of 20 seconds

What animal is most likely to carry rabies?

Bats

How often should a restaurant septic be inspected?

Annually

What are some degradable pollutants?

Oil and Grease, Organic Matter, Phenols, Cyanides, ammonia, nitrites, and organic nitrogen

What are some non-degradable pollutants?

Sulfates, Metallic Salts, Hard detergents

What is a physical cross connection?

A connection which may allow the flow from an unapproved water supply into a potable water supply

What is a flushometer valve?

A device that discharges a predetermined quantity of water into fixtures for flushing purposes and is actuated by direct water pressure

How is a flushometer valve protected?

By a non-pressure type vacuum breaker

Who is the senior emergency response official responding to an emergency?

An incident commander

Who are the first responders during a disaster?

Health personnel

How do you lower calcium hardness in water?

Add 1 pound of anhydrous trisodium phosphate per 10,000 gallons of water

What type of radiation cannot go through paper?

Alpha particles

What vector caused the Bubonic Plague?

Fleas

What are streams, lakes, and ponds classified as?

Surface water

What do cockroaches transmit?

Salmonella

What is giardiasis?

Person-to-person transfer of cysts from the feces of an infected individual

How often should a child be tested for lead poisoning?

Every 1-3 months

What raises the alkalinity and pH of water?

Baking soda (sodium bicarbonate)

What is soda ash?

Sodium carbonate, used to raise the pH in water

What type of acid keeps chlorine constant?

Cyanuric acid

What do muriatic acid and sodium bisulfate do to pool chemistry?

Lower alkalinity and pH

What is a pH of 6.8 considered?

Slightly acidic

What is the most common cause of bacterial meningitis in children 5 years of age and younger?

Haemophilus influenzae Type B

How far apart must beds be in disaster housing?

3 feet

Who declares a state of emergency?

The governor

Who is most affected by TB?

Urban areas or young adults entering the workforce

What is NTU?

Nephelometric Turbidity Units, a measure of the amount of light scattered by particles suspended in water

What is an epidemic?

The occurrence in a community or region of cases of an illness clearly in excess of expectancy

What is the most effective method to prevent ticks?

Pull your socks over your trousers

What portal of entry should a field sanitarian protect to avoid Lyme's Disease?

Skin (Dermal)

What test indicates human pollution?

Coliform

Biomedical wastes are classified as?

Infectious and Chemical

Used fats and oils are classified as what kinds of wastes?

Industrial

What is degradable in a septic tank?

Sodium

What is the seepage of water into a sewage system?

Infiltration

To lower the pH in a pool, what should be used?

Muratic acid

What is misfeasance?

Performance of an authorized act in an unauthorized manner

What is the Public Health Service responsible for?

Preparation of documents to guide environmental health administrators and planners

What type of bacteria contains the most pathogens?

Mesophilic

What is the minimum artificial lighting in a dry food storage room?

10-foot candles

What is a requirement of an industry's septic tank?

Have a grease trap

What species of fish eat mosquito larvae?

Goldfish, Koi, Guppies, Bass (Mosquitofish? Gambusia Affins)

What is a backflow prevention device used for?

To allow water to flow in one direction but never in the opposite

What causes hemolytic uremic syndrome?

Escherichia coli O157:H7

seizure order

Legal permission to confiscate, retain, or dispose of something

What are characteristics of NON-TCS foods?

Low water activity (aw < 0.85) and low pH (pH < 4.2)

What is the main goal of HACCP?

To prevent, eliminate, or reduce biological, chemical, or physical hazards to food

What human disease is related to aerosols in wastewater?

Related primarily to wastewater treatment processes

Who determines if a waste is hazardous?

RCRA (Resource Conservation and Recovery Association)

What are the two categories of hazardous wastes?

Characteristic and Listed

What disposal method places waste on the side of a hill or slope?

Area method

What respirator provides the greatest protection?

SCBA - Self Contained Breathing Apparatus

What do isotopes of the same element have different?

Mass numbers but the same atomic numbers

What are the four standards of OSHA?

Design, Performance, Vertical, and Horizontal

How do liquids become gases?

Evaporation

What is synergism?

When two pollutants are combined, the effects are greater than the sum of the individual effects

What two pollutants cause smog?

Sulphur Dioxide and Hydrogen Fluoride

What type of air pollution causes bleaching of leaves in plants?

Sulphur Dioxide

What is the most accepted form of cross connection?

An air gap

What is a cancer-causing mineral?

Asbestos

What is radon?

A carcinogenic gas that can enter homes through cracks in foundation

What should the drain line of an ice machine connect to?

The sewer system through an open receptacle with an air gap

What is a footing drain required to do?

Keep the foundation from slipping

What is a nosocomial infection?

Hospital-acquired infection

What is the definition of a biohazard?

A material or condition that is infective in nature and constitutes a threat to people and their environment

What is total residual chlorine?

The total concentration of residual free chlorine plus the residual of combined chlorine

What is combined chlorine?

Sum of chlorine and ammonia

What is stabilized chlorine?

Free chlorine combined with cyanuric acid

What is the generally prohibited swimming facility from a public health perspective?

Fill and draw pool

What does HAZWOPER training require?

40-hours off-site safety training and 3 days of supervised field experience

What key components of the HAZWOPER training exclude?

Sanitary requirements

Who is responsible for preparation of documents to guide environmental health administrators?

Public Health Service

Where is cleaning in place common?

Food, Dairy, and Beverage Industries

What does the acronym FATTOM stand for?

Food, Acidity, Temperature, Time, Oxygen, Moisture

How do you raise hardness in a pool?

Add calcium chloride (CaCl2)

What affects 76 million Americans each year?

Food borne illness

What is a leading cause of cancer?

Automobile fumes

How long can meatloaf be left out of the temperature danger zone?

No longer than 2 hours

Animal feeds are made out of what kinds of wastes?

Organic Wastes

How many times larger should the drain pipe in a swimming pool be than the intake pipe?

4 times

What should a water hose connected to a utility sink faucet be equipped with?

Backflow prevention device

What is a common disease to watch in daycare retention centers?

HEP A

What disease is capable of invoking an annual pandemic?

Influenza

What does the Safe Drinking Water Act do?

Sets maximum contaminant levels for pollutants that may have adverse effects on human health

Who collects field samples to determine if water is potable?

The EPA

What water activity is best to limit bacteria growth?

0.85

What is the first step in pest management?

Eliminate pest entry and harborage

What can treated municipal wastewater be used for?

Groundwater recharge

What is transpiration?

Evaporation of water from the leaves of a plant

What is well grouting used for?

To prevent contamination of the groundwater

What is a non-chemical water treatment system?

Filtration

What should be done with crustacean shells after serving?

Discard

What is the incident command system comprised of?

Command, Operations, Planning, Logistics, Finance

What administrative order is set by states?

Statutes

What does potable mean?

May be consumed in any desired amount without concern for adverse effects on health

What is the Colilert test?

A test to indicate contamination by coliform bacteria in drinking water

What is ozone?

The most powerful disinfectant used in water treatment

What should not be relied upon alone to produce bacterially safe water?

Filters

What types of contamination are found in water?

Biological, Chemical, and Physical