Question 1
Question
Risk is expressed as a probability of suffering from all of the following, except
Answer
-
disease
-
economic loss
-
prejudice
-
injury
Question 2
Question
All of the following are considered to be cultural hazards, except
Answer
-
working conditions
-
drought
-
unsafe highways
-
criminal assualt
Question 3
Question
All of the following are considered to be biological hazards, except
Answer
-
protozoa
-
parasites
-
diet
-
bacteria
Question 4
Question
All of the following are considered to be natural hazards, except
Answer
-
driving
-
hurricanes
-
earthquakes
-
fires
Question 5
Question
A transmissible disease is not likely to be caused by a
Answer
-
bacterium
-
hazardous chemical
-
virus
-
parasite
Question 6
Question
All of the following are transmissible diseases, except
Question 7
Question
A global outbreak of an infectious disease is called a(n)
Answer
-
threat
-
parademic
-
pandemic
-
epidemic
Question 8
Question
Tuberculosis is caused by
Answer
-
mosquitoes
-
viruses
-
bacteria
-
protozoa
Question 9
Question
Which of the following not a reason the incidence of tuberculosis is increasing?
Answer
-
too few TB screening and control programs
-
genetic resistance to antibiotics
-
effects of global warming
-
weakened immune systems from the spread of AIDS
Question 10
Question
All of the following are viral diseases, except
Answer
-
malaria
-
hepatitis B
-
AIDS
-
West Nile
Question 11
Question
Malaria is spread by
Question 12
Question
Since 1970 the occurrence of malaria has
Answer
-
remained at the same levels
-
increased then leveled off
-
greatly increased
-
decreased then increased slightly
Question 13
Question
The top toxic substances in terms of human and environmental health include all of the following, except
Question 14
Question
The effects of neurotoxins can result in all of the following, except
Answer
-
behavioral changes
-
learning disabilities
-
hair loss
-
death
Question 15
Question 16
Question
Birth defects can be caused by all of the following, except
Answer
-
alcohol
-
angel dust
-
benzene
-
iodized sodium chloride
Question 17
Question
Carcinogens cause
Answer
-
genetic defects
-
cancer
-
birth defects
-
allergic reactions
Question 18
Question
The system responsible for defense against disease and harmful substances is the
Answer
-
circulatory system
-
endocrine system
-
immune system
-
skeletal system
Question 19
Question
This term refers to the amount of a substance a person ingests, inhales, or absorbs through the skin.
Answer
-
toxicity
-
biological magnification
-
response
-
dose
Question 20
Question
___ relates to the increase in the amount of a potentially toxic substance as it passes through food chains and webs.
Answer
-
toxicity
-
biological magnification
-
dose
-
response
Question 21
Question
The ability of a substance to cause injury, illness, or death to a living system, is
Answer
-
biomagnification
-
toxicity
-
response
-
dose
Question 22
Question
This term refers to a substance’s resistance to breakdown.
Answer
-
toxicity
-
biomagnification
-
persistence
-
response
Question 23
Question
The root cause of food insecurity is
Answer
-
war
-
poverty
-
corruption
-
climate change
Question 24
Question
The term undernutrition refers to people who consume
Question 25
Question
Many of the world’s poor only have access to a low-protein, high-carbohydrate, vegetarian diet and suffer from
Answer
-
chronic malnutrition
-
chronic undernutrition
-
famine
-
hunger
Question 26
Question
A severe shortage of food leading to mass starvation, many deaths, economic chaos, and social disruption, is called
Answer
-
hunger
-
chronic undernutrition
-
famine
-
food security
Question 27
Question
Anemia may be the result of a deficiency in
Answer
-
cobalt
-
iodine
-
iron
-
calcium
Question 28
Question
Approximately 26 million children each year suffer irreversible brain damage from lack of which of the following?
Answer
-
cobalt
-
iodine
-
iron
-
calcium
Question 29
Question
The term overnutrition refers to
Question 30
Question
Overnutrition and undernutrition both face all of the following health problems, except
Question 31
Question
Today in America, four of the top ten causes of death are diseases related to diet including all of the following except
Answer
-
down's syndrome
-
type 2 diabetes
-
some forms of cancer
-
stroke
Question 32
Question
The major goal of industrialized agriculture for any crop has been to steadily increase its
Answer
-
tolerance to weeds
-
yield per unit of land
-
purity
-
aesthetic qualities
Question 33
Question
Which of the following soil horizons is considered topsoil?
Question 34
Question
Irrigating crops creates a number of problems. Which of the following is not one of those problems?
Question 35
Question
What is the largest cause of soil erosion?
Answer
-
moving water
-
still water
-
wind
-
sink holes
Question 36
Question
When the productive potential of soil, especially on arid or semiarid land, falls by 10% or more because of prolonged drought and human activities, it is called
Answer
-
salinization
-
desertification
-
soil erosion
-
overgrazing
Question 37
Question
Repeated irrigation in dry climates leads to accumulation of salts in the upper layers of the soil, a process called
Answer
-
salinization
-
soil erosion
-
desertification
-
waterlogging
Question 38
Question
Genetically modified crops and foods have all of the following advantages, except
Answer
-
needs less fertilizer
-
needs less water
-
increases yields
-
grows faster
Question 39
Question
Four of the following are advantages of using aquaculture to produce fish; one is a disadvantage. Choose the disadvantage.
Question 40
Question
One of the most important characteristics of a pesticide is how long it will stay deadly in the environment, a characteristic called
Answer
-
lethal dose
-
persistence
-
impact
-
usefulness
Question 41
Question
All of the following are alternatives to using pesticides, except
Question 42
Question
The best way to maintain soil fertility is through
Question 43
Question
It is more energetically efficient for us to eat more ________________
Question 44
Question
Carcinogens may be difficult to identify because
Answer
-
they are rare in nature
-
there is no way to measure the carcinogen potential of a substance
-
they are the least common toxicants
-
there is a long time lag between exposure to the agent and disease
Question 45
Question
Rachel Caron’s book Silent Spring focuses primarily on the environmental problems associated with
Answer
-
deforestation
-
overpopulation
-
pesticide toxicity
-
loss of biodiversity
Question 46
Question
If GMO crops can decrease pesticide use, why are environmentalists still concerned about them?
Answer
-
the government funds most GMO crop research
-
Trials involving biotech crops have increased dramatically in recent years
-
The FDA does not regulate them
-
Inserted genes can spread to nontarget species
Question 47
Question
The worldwise drop in sperm counts among men has been attributed to
Answer
-
endocrine disruptors
-
DDT
-
teratogens
-
radon
Question 48
Question
Synergistic effects of toxicants
Answer
-
re not numerous in the natural environment
-
are greater than the sum of the effects of the components
-
have effects of individual toxicants that tend to cancel one another out
-
lways involve synthetic toxicants
Question 49
Question
What are the properties of toxicants that are likely to build up in animals through bioaccumulation?
Answer
-
they are gases that readily carried by pesticide drift
-
they are non biodegradable and fat-soluble
-
hey are carcinogenic and mutagenic
-
they are biodgreadable and water soluble
Question 50
Question
Mercury is not readily excreted; it is stored in mammalian body tissues. This is best described as
Answer
-
toxification
-
synergism
-
distillation
-
bioaccumulation