Environmental Geography Test 3

SARAH DE MELLO
Quiz by SARAH DE MELLO, updated more than 1 year ago
SARAH DE MELLO
Created by SARAH DE MELLO almost 6 years ago
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studying for final

Resource summary

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

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All of the following are considered to be cultural hazards, except
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  • working conditions
  • drought
  • unsafe highways
  • criminal assualt

Question 3

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All of the following are considered to be biological hazards, except
Answer
  • protozoa
  • parasites
  • diet
  • bacteria

Question 4

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All of the following are considered to be natural hazards, except
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  • driving
  • hurricanes
  • earthquakes
  • fires

Question 5

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A transmissible disease is not likely to be caused by a
Answer
  • bacterium
  • hazardous chemical
  • virus
  • parasite

Question 6

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All of the following are transmissible diseases, except
Answer
  • diabetes
  • flu
  • measles
  • HIV

Question 7

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A global outbreak of an infectious disease is called a(n)
Answer
  • threat
  • parademic
  • pandemic
  • epidemic

Question 8

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Tuberculosis is caused by
Answer
  • mosquitoes
  • viruses
  • bacteria
  • protozoa

Question 9

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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

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Malaria is spread by
Answer
  • flies
  • contaminated feces
  • certain types of mosquitoes
  • bacteria

Question 12

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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

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The top toxic substances in terms of human and environmental health include all of the following, except
Answer
  • lead
  • mercury
  • DDT
  • PCBs

Question 14

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The effects of neurotoxins can result in all of the following, except
Answer
  • behavioral changes
  • learning disabilities
  • hair loss
  • death

Question 15

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Teratogens
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  • cause birth defects
  • are fatal to humans in low doses
  • are harmful because they are irritating to skin or lungs
  • cause infections

Question 16

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Birth defects can be caused by all of the following, except
Answer
  • alcohol
  • angel dust
  • benzene
  • iodized sodium chloride

Question 17

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Carcinogens cause
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  • genetic defects
  • cancer
  • birth defects
  • allergic reactions

Question 18

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The system responsible for defense against disease and harmful substances is the
Answer
  • circulatory system
  • endocrine system
  • immune system
  • skeletal system

Question 19

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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

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___ 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

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The ability of a substance to cause injury, illness, or death to a living system, is
Answer
  • biomagnification
  • toxicity
  • response
  • dose

Question 22

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This term refers to a substance’s resistance to breakdown.
Answer
  • toxicity
  • biomagnification
  • persistence
  • response

Question 23

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The root cause of food insecurity is
Answer
  • war
  • poverty
  • corruption
  • climate change

Question 24

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The term undernutrition refers to people who consume
Answer
  • less than the basic number of daily calories
  • unbalanced meals
  • the wrong kinds of food
  • poor quality food

Question 25

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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

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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

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Anemia may be the result of a deficiency in
Answer
  • cobalt
  • iodine
  • iron
  • calcium

Question 28

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Approximately 26 million children each year suffer irreversible brain damage from lack of which of the following?
Answer
  • cobalt
  • iodine
  • iron
  • calcium

Question 29

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The term overnutrition refers to
Answer
  • when energy use is less than energy intake
  • eating unbalanced meals
  • eating poor quality foods
  • eating too much protein

Question 30

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Overnutrition and undernutrition both face all of the following health problems, except
Answer
  • lower productivity
  • higher rates of malaria
  • lower life expectancy
  • greater susceptibility to disease

Question 31

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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

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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

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Which of the following soil horizons is considered topsoil?
Answer
  • O
  • A
  • B
  • C

Question 34

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Irrigating crops creates a number of problems. Which of the following is not one of those problems?
Answer
  • boosts productivity on farms
  • salinization
  • depletes groundwater
  • waterlogging

Question 35

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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

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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

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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

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Four of the following are advantages of using aquaculture to produce fish; one is a disadvantage. Choose the disadvantage.
Answer
  • high yield in small volume of water
  • uses grain for feed for some species
  • low fuel use
  • high profits

Question 40

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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

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All of the following are alternatives to using pesticides, except
Answer
  • rotating crops planted in a field each year
  • provide homes for pest enemies
  • freeze the pests
  • bring in natural enemies

Question 42

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The best way to maintain soil fertility is through
Answer
  • applying animal manure
  • applying commercial inorganic fertilizer
  • soil conservation
  • using low till planting

Question 43

Question
It is more energetically efficient for us to eat more ________________
Answer
  • plant-based foods
  • herbivorous animals like cattle and chicken
  • food grown using IPM methods
  • GM foods

Question 44

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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

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Rachel Caron’s book Silent Spring focuses primarily on the environmental problems associated with
Answer
  • deforestation
  • overpopulation
  • pesticide toxicity
  • loss of biodiversity

Question 46

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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

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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

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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
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