Question 1
2 out of 2 points
An example of a malicious food additive is
Answers:
A.
Parabens
B.
Olestra
C.
Algin
D.
Calcium silicate
E.
Endrin
Question 2
2 out of 2 points
As of 2010, according to the National Ambient Air Quality Standards, the standard for carbon monoxide levels during an 8-hour period is
Answers:
A.
0.15 ppm
B.
0.053 ppm
C.
35 ppm
D.
9 ppm
E.
None of the above

Question 3

2 out of 2 points

Methods for prevention of unintentional injuries among children include

Answers:	A. Installing fences around pools
	B. Use of soft surfaces in playgrounds
	C. Safe packaging of pharmaceuticals
	D. Use of car safety seats by small children
	E. All of the above

Question 4

2 out of 2 points

The term garbage denotes

Answers:	A. By-products of society that can pose a hazard to human health
	B. Items that people discard such as yard trimmings, plastics, and glass
	C. Materials that are perceived to be of negative value
	D. Water that collects contaminants as it trickles through wastes
	E. Introduction into the natural environment by humans of potentially harmful substances, materials, or energy

Question 5

2 out of 2 points

The Clean Air Act of 1970 required

Answers:	A. The states to set up air quality standards
	B. The EPA to set up air quality standards
	C. Industry to install catalytic converters on cars
	D. The use of scrubbers on coal-fired installations
	E. All the above

Question 6
2 out of 2 points
One of the agents responsible for many publicized outbreaks of gastrointestinal illness on cruise ships is
Answers:
A.
Salmonella
B.
Shigella
C.
Hepatitis A virus
D.
Norovirus
E.
None of the above

Question 7

2 out of 2 points

The advantages of genetically modified foods do not include

Answers:	A. Increased resistance of food animals to disease
	B. Development of herbicide resistance
	C. Increased crop yields
	D. Reduction in genetic diversity
	E. Increased nutritional value of foods

Question 8
2 out of 2 points
OSHA recommended permissible noise standards are
Answers:
A.
90 dBA/ 4hrs
B.
81 dBA/ 3 hrs
C.
85 dBA/ 4hrs
D.
85 dBA/ 8hrs
E.
50 dBA/8hrs
Question 9
2 out of 2 points
One of the human health effects of sulfur dioxide is
Answers:
A.
Bronchoconstriction
B.
Brain/CNS damage
C.
Lung cancer
D.
Carboxyhemoglobin formation
E.
None of the above

Question 10

2 out of 2 points

A justification for the hazard analysis of critical control points is that

Answers:	A. Health hazards can be introduced at any point from harvest to consumption.
	B. Chemical additives are the most dangerous food-associated health hazards at present.
	C. Food-associated illness is almost exclusively due to Salmonella.
	D. Poor canning practices cause the greatest number of food-related intoxications.
	E. None of the above.

Question 11
2 out of 2 points
The most favored method for waste management is
Answers:
A.
Source reduction
B.
Recycling
C.
Waste combustion
D.
Landfilling
E.
Offsite composting
Question 12
2 out of 2 points
The U.S. agency tasked generally with providing leadership in control of foodborne illness is the
Answers:
A.
TTB
B.
FAO
C.
FDA
D.
USDA
E.
CDC
Question 13
2 out of 2 points
Naturally occurring sources of air pollution include
Answers:
A.
Wind storms
B.
Salt evaporation
C.
Organic materials from plants
D.
Volcanic eruptions
E.
All of the above

Question 14

2 out of 2 points

Acid rain is

Answers:	A. Dust, soot, and other finely divided solid and liquid particles
	B. The precipitation of acidic compounds formed when components of air pollution interact with other components in the air
	C. A mixture of pollutants, principally ground-level ozone
	D. An atmospheric condition during which a warm layer of air stalls above a cool layer
	E. A condition associated with smog that causes eye irritation, irritation of the respiratory tract, and chest pains

Question 15
0 out of 2 points
Very small particles can be removed from drinking water by
Answers:
A.
Boiling
B.
Sand filtering
C.
Use of activated charcoal
D.
All of the above
E.
B and C
Question 16
2 out of 2 points
Potential water hazards that are not controlled by current treatment methods are
Answers:
A.
Solvents
B.
Salmonella
C.
Giardia lamblia
D.
Shigella
E.
All of the above

Question 17

2 out of 2 points

Threshold Limit Values are

Answers:	A. Airborne concentrations of substances that represent conditions under which nearly all workers may be unaffected
	B. A measure of the amount of a chemical absorbed into the body
	C. An allowable exposure level in the workplace air that is averaged over an eight-hour shift
	D. Permissible levels of exposure to chemicals
	E. None of the above

Question 18
0 out of 2 points
To ensure the safety of all drinking water from the public water supply in the United States, standards are set by
Answers:
A.
Local government
B.
State agencies
C.
None of above
D.
The ATSDR
E.
The EPA

Question 19

2 out of 2 points

The methods for investigating a foodborne outbreak include

Answers:	A. Case identification
	B. Descriptive epidemiologic study
	C. Listing the foods served
	D. Collecting samples of blood, stools, vomitus
	E. All of the above

Question 20
2 out of 2 points
Acute health effects of air pollution include
Answers:
A.
Breathlessness and burning eyes
B.
Cough and chest pains
C.
Nausea and headache
D.
Airway resistance and asthma
E.
All of the above
Question 21
2 out of 2 points
The advantages of recycling include
Answers:
A.
Reduces greenhouse gas emissions
B.
Prevents water pollution
C.
Preserves raw materials
D.
Decreases burden on landfills
E.
All of the above

Question 22

2 out of 2 points

Hazards associated with sanitary landfill operations include

Answers:	A. Spreading of disease by scavenging animals
	B. Leaching of nutrients into adjacent waterways
	C. Air pollution
	D. Release of VOCs
	E. All of the above

Question 23

2 out of 2 points

The highest costs for medical expenditures for treatment of injuries in the U.S. were incurred by

Answers:	A. Females aged 65 and older
	B. Males aged 20-29
	C. Females aged 20-29
	D. Males aged 45-64
	E. Females aged 45-64

Question 24
2 out of 2 points
The sound vibrations picked up by the eardrum are translated into nerve impulses in the
Answers:
A.
Cochlea
B.
Ossicles
C.
Tympanic membrane
D.
Ear canal
E.
None of the above

Question 25

2 out of 2 points

Which of the following methods for classifying injuries organizes injury data into helpful groupings for making international and national comparisons?

Answers:	A. Medical Expenditure Panel Survey System
	B. CDC morbidity classification system
	C. NHTSA system for motor vehicle crashes
	D. ICD Injury Matrices
	E. National Vital Statistics System

Question 26
2 out of 2 points
The mad hatter’s disease refers to
Answers:
A.
Mercury poisoning
B.
Pneumoconiosis
C.
Decompression disease
D.
Silicosis
E.
Dermatitis

Question 27

2 out of 2 points

Source reduction involves the following activities

Answers:	A. Production of new bottles from used bottles
	B. Offsite composting
	C. Less wasteful package designs
	D. Reprocessing of aluminum cans
	E. All of the above

Question 28
2 out of 2 points
The U.S. agency tasked with assuring the safety of meat, poultry, and dried and liquid eggs is the
Answers:
A.
USDA
B.
FDA
C.
FAO
D.
TTB
E.
CDC

Question 29

2 out of 2 points

The least likely explanation for global warming is that it is due to

Answers:	A. The release of greenhouse gases
	B. Normal variations in the earth’s temperature
	C. Anthropogenic activities
	D. Widespread deforestation
	E. Depletion of the ozone layer

Question 30

2 out of 2 points

Finished water is defined as

Answers:	A. The water that is delivered to the distribution system after treatment
	B. A layer or section of earth that contains freshwater
	C. An annual supply of renewable freshwater between 1,000 and 1,700 cubic meters per person
	D. The natural cycle by which water evaporates from water bodies
	E. An annual supply of renewable freshwater less than 1,000 cubic meters per person

Question 31
2 out of 2 points
The most frequently reported injury among participants in women’s volleyball in the U.S. is
Answers:
A.
Ankle injury
B.
Carpal tunnel syndrome
C.
Traumatic brain injury
D.
Fractured clavicle
E.
Concussion

Question 32

2 out of 2 points

The term hazardous waste denotes

Answers:	A. Introduction into the natural environment by humans of potentially harmful substances, materials, or energy
	B. Items that people discard such as yard trimmings, plastics, and glass
	C. Materials that are perceived to be of negative value
	D. By-products of society that can pose a hazard to human health
	E. Water that collects contaminants as it trickles through wastes

Question 33

2 out of 2 points

Drinking water treatment involves all the following except

Answers:	A. Removal of organic materials
	B. Destruction of microorganisms
	C. Removal of large inorganic particles
	D. Removal of all dissolved chemicals
	E. None of the above

Question 34

0 out of 2 points

The main difference between the sick building syndrome and building-related illness is that

Answers:	A. SBS can be related to specific pollutants and BRI cannot.
	B. SBS is temporary and BRI is a diagnosable illness.
	C. BRI can be related to specific pollutants and SBS cannot.
	D. B and C.
	E. A and C.

Question 35

2 out of 2 points

Acute chemical toxicity transmitted by food still exists for all the reasons listed below except

Answers:	A. Some people are ignorant about naturally toxic foods.
	B. Toxic chemicals are occasionally added to food by accident.
	C. Government laws are not adequate to control toxic additives.
	D. Food preparers may use equipment improperly.
	E. None of the above.

Question 36
2 out of 2 points
Infection with Taenia saginata is associated with eating
Answers:
A.
Raw pork
B.
Raw beef
C.
Raw fish
D.
Raw poultry
E.
None of the above

Question 37

2 out of 2 points

Water stress is defined as

Answers:	A. An annual supply of renewable freshwater between 1,000 and 1,700 cubic meters per person
	B. A layer or section of earth that contains freshwater
	C. The water that is delivered to the distribution system after treatment
	D. The natural cycle by which water evaporates from water bodies
	E. An annual supply of renewable freshwater less than 1,000 cubic meters per person

Question 38
2 out of 2 points
Particularly at risk for waterborne pathogens are
Answers:
A.
Young children
B.
Elderly persons
C.
Patients who have HIV/AIDS
D.
Persons taking steroids
E.
All of the above

Question 39

2 out of 2 points

Which of the following methods is not recommended for prevention of motor vehicle crashes among older drivers

Answers:	A. Turning up the volume on the radio
	B. Encouraging older drivers to exercise
	C. Completing a driver’s training course
	D. Reviewing the use of medications
	E. All of the above

Question 40

2 out of 2 points

The primary stage of sewage processing involves

Answers:	A. Reduction of nitrates and phosphates
	B. Disinfection with chlorine
	C. Screening of large solids
	D. Bacterial breakdown of sewage
	E. Settlement of suspended solids

Question 41
2 out of 2 points
Coagulation during water treatment is designed to remove
Answers:
A.
Pathogenic microorganisms
B.
Particles suspended in water
C.
Sand and gravel
D.
Bad smells
E.
None of the above

Question 42

2 out of 2 points

Food additives are used to achieve all the following except

Answers:	A. Keep food free from rodent filth
	B. Make the food more attractive
	C. Keep certain products such as table salt from caking
	D. Protect the nutritional quality of foods
	E. Provide effective protection from microbial growth in storage

Question 43

2 out of 2 points

In the U.S., motor vehicle crashes

Answers:	A. Were the leading cause of unintentional deaths in 2006
	B. Have not declined greatly in frequency since the early 2000s
	C. Vary according to demographic characteristics of the victims
	D. Are most likely to involve young male drivers
	E. All of the above

Question 44

2 out of 2 points

The term pollution denotes

Answers:	A. Materials that are perceived to be of negative value
	B. Water that collects contaminants as it trickles through wastes
	C. By-products of society that can pose a hazard to human health
	D. Items that people discard such as yard trimmings, plastics, and glass
	E. Introduction into the natural environment by humans of potentially harmful substances, materials, or energy

Question 45

2 out of 2 points

An aquifer is defined as

Answers:	A. The water that is delivered to the distribution system after treatment
	B. The natural cycle by which water evaporates from water bodies
	C. An annual supply of renewable freshwater less than 1,000 cubic meters per person
	D. A layer or section of earth that contains freshwater
	E. An annual supply of renewable freshwater between 1,000 and 1,700 cubic meters per person

Question 46
2 out of 2 points
Chemical hazards that may be present in food include
Answers:
A.
Marine toxins
B.
Heavy metals
C.
Monosodium glutamate
D.
Mushroom toxins
E.
All of the above
Question 47
2 out of 2 points
Allergies caused by industrial chemicals often exhibit the following symptoms
Answers:
A.
Dermatitis (extensive skin eruptions)
B.
Fibrosis of the lungs
C.
Death
D.
Brain lesions
E.
None of the above

Question 48

2 out of 2 points

Among children (0 to 19 years of age) in the U.S., which racial/ethnic group has the highest risk for injury death?

Answers:	A. American Indians and Alaska Natives
	B. Both whites and African Americans
	C. Asians or Pacific Islanders
	D. Whites
	E. African Americans

Question 49

2 out of 2 points

The job classification that involves the highest percentage of anxiety, stress, and neurotic disorders is

Answers:	A. Technical, sales, and administrative support
	B. Operators, fabricators, and laborers
	C. Managerial and professional
	D. Farming, forestry, and fishing
	E. Service

Question 50

0 out of 2 points

The abbreviation GRAS stands for

Answers:	A. Greatly Researched Additives that are Safe
	B. Generally Regarded As Safe chemical additives
	C. Grossly Reported As Sanitary
	D. Gently Resolved As Suitable chemicals
	E. None of the above

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