Environmental Geography Test 3

Descrição

studying for final
SARAH DE MELLO
Quiz por SARAH DE MELLO, atualizado more than 1 year ago
SARAH DE MELLO
Criado por SARAH DE MELLO mais de 8 anos atrás
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Resumo de Recurso

Questão 1

Questão
Risk is expressed as a probability of suffering from all of the following, except
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  • disease
  • economic loss
  • prejudice
  • injury

Questão 2

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

Questão 3

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

Questão 4

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

Questão 5

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

Questão 6

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

Questão 7

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

Questão 8

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

Questão 9

Questão
Which of the following not a reason the incidence of tuberculosis is increasing?
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  • too few TB screening and control programs
  • genetic resistance to antibiotics
  • effects of global warming
  • weakened immune systems from the spread of AIDS

Questão 10

Questão
All of the following are viral diseases, except
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  • malaria
  • hepatitis B
  • AIDS
  • West Nile

Questão 11

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

Questão 12

Questão
Since 1970 the occurrence of malaria has
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  • remained at the same levels
  • increased then leveled off
  • greatly increased
  • decreased then increased slightly

Questão 13

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

Questão 14

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

Questão 15

Questão
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

Questão 16

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

Questão 17

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

Questão 18

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

Questão 19

Questão
This term refers to the amount of a substance a person ingests, inhales, or absorbs through the skin.
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  • toxicity
  • biological magnification
  • response
  • dose

Questão 20

Questão
___ relates to the increase in the amount of a potentially toxic substance as it passes through food chains and webs.
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  • toxicity
  • biological magnification
  • dose
  • response

Questão 21

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

Questão 22

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

Questão 23

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

Questão 24

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

Questão 25

Questão
Many of the world’s poor only have access to a low-protein, high-carbohydrate, vegetarian diet and suffer from
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  • chronic malnutrition
  • chronic undernutrition
  • famine
  • hunger

Questão 26

Questão
A severe shortage of food leading to mass starvation, many deaths, economic chaos, and social disruption, is called
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  • hunger
  • chronic undernutrition
  • famine
  • food security

Questão 27

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

Questão 28

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

Questão 29

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

Questão 30

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

Questão 31

Questão
Today in America, four of the top ten causes of death are diseases related to diet including all of the following except
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  • down's syndrome
  • type 2 diabetes
  • some forms of cancer
  • stroke

Questão 32

Questão
The major goal of industrialized agriculture for any crop has been to steadily increase its
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  • tolerance to weeds
  • yield per unit of land
  • purity
  • aesthetic qualities

Questão 33

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

Questão 34

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

Questão 35

Questão
What is the largest cause of soil erosion?
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  • moving water
  • still water
  • wind
  • sink holes

Questão 36

Questão
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
Responda
  • salinization
  • desertification
  • soil erosion
  • overgrazing

Questão 37

Questão
Repeated irrigation in dry climates leads to accumulation of salts in the upper layers of the soil, a process called
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  • salinization
  • soil erosion
  • desertification
  • waterlogging

Questão 38

Questão
Genetically modified crops and foods have all of the following advantages, except
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  • needs less fertilizer
  • needs less water
  • increases yields
  • grows faster

Questão 39

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

Questão 40

Questão
One of the most important characteristics of a pesticide is how long it will stay deadly in the environment, a characteristic called
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  • lethal dose
  • persistence
  • impact
  • usefulness

Questão 41

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

Questão 42

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

Questão 43

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

Questão 44

Questão
Carcinogens may be difficult to identify because
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  • 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

Questão 45

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

Questão 46

Questão
If GMO crops can decrease pesticide use, why are environmentalists still concerned about them?
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  • 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

Questão 47

Questão
The worldwise drop in sperm counts among men has been attributed to
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  • endocrine disruptors
  • DDT
  • teratogens
  • radon

Questão 48

Questão
Synergistic effects of toxicants
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  • 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

Questão 49

Questão
What are the properties of toxicants that are likely to build up in animals through bioaccumulation?
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  • 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

Questão 50

Questão
Mercury is not readily excreted; it is stored in mammalian body tissues. This is best described as
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  • toxification
  • synergism
  • distillation
  • bioaccumulation

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