Env. Health Exam #1 – Flashcards
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Why do children in comparison with adults represent a group that is especially vulnerable to environmental hazards? Choose the incorrect answer. A: Their immune systems are still developing B: They may be exposed more often to toxins in the outdoor air C: They may be exposed more often to toxins in the soil D: They spend more time indoors E: They may inadvertently ingest toxic substances
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D: They spend more time indoors
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Prevalence measures aid in: A: assessing the variations in disease occurrence B: The development of hypotheses C: Determining the risk of disease D: Describing the scope of health problems E: A, B, & D only
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E: A, B, & D only
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which of the following activities characterizes the epidemiologic approach (as opposed to the clinical approach) A: Description of a single individuals symptoms B: Study of cancer occurrence in populations C: Treatment of a patient with lung cancer D: Diagnosis of a disease in a single individual E: A, C, & D only
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B: Study of cancer occurrence in populations
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Environmental health comprises those aspects of human health that are determined by: A: Physical factors B: Biological factors C: Social factors D: Psychosocial factors E: All of the above
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E: All of the above
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True or false cholera outbreaks occurred in New York CIty during the mid 1800s A: True B: False
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A: True
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the estimated global burden of disease linked to environmental sources is: A: 5% to 20% B: 25% to 33% C: 35% to 50% D: 55% to 70% E: 75% to 89%
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B: 25% to 33%
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currently the number of years required for a developing country's population to double is approximately A: 53 years B: 73 years C: 43 years D: 13 years E: 93 years
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C: 43 years
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risk management refers to the question of A: what are the health affects that this agent can cause? B: What is the relationship between dose and occurrence of health effects in humans? C: What exposures are currently experienced or anticipated under different conditions D: What is the estimated occurrence of the adverse effect in a given population E: none of the above
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C: What exposures are currently experienced or anticipated under different conditions
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the concentration and toxicity of a chemical in the body are affected by A: Route of entry into the body B: received dose of the chemical C: Duration of exposure D: Individual sesitivity E: All of the above
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E: All of the above
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of the following routes of exposure which one has the most rapid effect A: Intravenous B: Ingestion C: Dermal D: Intramuscular E: Inhalation
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A: Intravenous
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cohort study is to risk ratio as: A: Hippocrates is to scrotal cancer B: Genetics is to environment C: Case-control study is to odds ratio D: Sir Percival Pott is to John Snow E: None of the above
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C: Case-control study is to odds ratio
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those members of the population who are capable of developing a disease of condition are known as: A: Incident cases B: Prevalent Cases C: The population at risk D: The immune fraction E: None of the above
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C: The population at risk
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the risk of acquiring a given disease during a time period is best determined by: A:The case fatality rate (CFR) from that disease in the 0-4 age group B: A spot map that records all cases of the disease in the past year C: The prevalence for that disease during the past year D: The incidence rate for that disease in a given period of time E: The number of deaths due to that disease during a given year
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D: the incidence rate for that disease in a given period of time
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identify the historical figure who was among the first to expound on the role of environmental factors in causing diseases: A: Sir Percival Pott B: John Snow C: Hippocrates D: K.J. Rothman E: Socrates
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C: Hippocrates
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The contributions of epidemiology to environmental health include A. Concern with populations B. Use of observational data C. Methodology for study designs D. Descriptive and analytic studies E. All of the above
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E: All of the above
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environmental health science is concerned with agent, host, and environmental factors in disease (the epidemiologic traingle) what stateent belows is true about the triangle? A: Agent factors can include particles, toxic chemicals, and pesticides B: The environment is the domain in which disease-causing agents may exist C: The host is the person who affords lodgment of an infectious agent D: Disease causality includes three major factors: agent, host, and environment E: All of the above are true
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E: All of the above
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what percent of the earth's water is drinkable?
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3%
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BONUS QUESTION: who said the command " Be fruitful and multiply"
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William R. Inge (1931)
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Environmental risk transition is most likely to be characterized by: A. Increasing levels of poor food, air, and water quality B. Increasing frequency of diarrhea caused by unsafe water C. Air pollution from poor-quality indoor fuels D. Control of household risks and creation of a new set of problems E. Increases in acute respiratory diseases
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D: Control of household risks and creation of a new set of problems
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In 2050, the world's three most populous countries will be A. China, India, United States B. United States, Russia, and Japan C. China, Indonesia, and Brazil D. India, China, United States E. Indonesia, Brazil, Nigeria
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D: India, China, United States
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Identify the incorrect statement: The 2009 swine flu outbreak: A. Was caused by the H5N1 virus B. Spread through North America to other parts of the globe C. Was classified as a pandemic by WHO D. Showed evidence of person-to-person transmission E. Initial cases showed no evidence of contact with pigs
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A: Was caused by the H5N1 virus OR B: Spread through north america to other parts of the globe
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Lemuel Shattuck's proposals set forth in the Report of the Sanitary Conditions of Massachusetts A. Argued for the creation of state health departments B. Described how environmental sanitation affected health C. Were extremely innovative for their time D. Ultimately were adopted by public health departments and are now in use E. All of the above
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E: All of the above
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On Airs, Waters, and Places was significant because it: A. Identified an environmental cause of cancer B. Described unsafe and hazardous working environments C. Described the toxic properties of sulfur and zinc D. Emphasized the role of the environment in people's health E. None of the above
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D: Emphasized the role of the environment in people's health
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Reasons for the potential spread of avian influenza include: A. Intensive animal husbandry practices B. Restriction of international travel C. Demonstrated person-to-person transmission D. B & C E. All of the above
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A: Intensive animal husbandry practices
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Stage 1 of the demographic transition demonstrates: A. Drop in mortality rates; high fertility rates B. Fertility and mortality rates are high C. Dropping fertility rates; more even age and sex distributions D. Increasing mortality rates; dropping mortality rates E. None of the above
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B: Fertility and mortality rates are high
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Stage 2 of the demographic transition demonstrates: A. Drop in mortality rates; high fertility rates B. Fertility and mortality rates are high C. Dropping fertility rates; more even age and sex distributions D. Increasing mortality rates; dropping mortality rates E. None of the above
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A: Drop in mortality rates; high fertility rates
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Stage 3 of the demographic transition demonstrates: A. Drop in mortality rates; high fertility rates B. Fertility and mortality rates are high C. Dropping fertility rates; more even age and sex distributions D. Increasing mortality rates; dropping mortality rates E. None of the above
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C: Dropping fertility rates; more even age and sex distributions
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13. The author of On Airs, Waters, and Places was: A. Socrates B. Aristotle C. Hippocrates D. Pliny the Elder E. Galen
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C: Hippocrates
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The author of the First Essay on Population was: A. John Snow B. Charles Darwin C. Thomas Malthus D. Paul Ehrlich E. None of the above
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C: Thomas Malthus
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The effects of rapid growth of the world's population include A. Urbanization B. Overtaxing carrying capacity C. Food insecurity D. Loss of biodiversity E. All of the above
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E: All of the above
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The environment plays a role in human health through associations with A. Acute conditions B. Allergic responses C. Disability D. Chronic disease E. All of the above
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E: All of the above
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The epidemiologic risk transition is characterized by a A. Population comprised of predominantly young individuals B. Growing burden of chronic, degenerative diseases C. Rapid increase in population D. High mortality rates E. None of the above
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B: Growing burden of chronic, degenerative diseases
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The natural population replacement fertility rate in the U.S. is estimated to be A. 2.1 births per woman B. 2.9 births per woman C. 3.1 births per woman D. 3.9 births per woman E. 3.5 births per woman
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A: 2.1 births per woman
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Which of the following outcomes is not usually associated with world population growth? A. Prosperity B. Pollution C. Poverty D. Urban crowding E. Increases in infectious diseases
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A: Prosperity
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Which of the following statements is untrue about ecosystems? A. Human beings are not considered to be a part of ecosystems. B. An ecosystem is a dynamic complex of plant, animal, and microorganism communities. C. A temporary pond in a hollow tree can be an ecosystem. D. Ecosystems are being degraded rapidly. E. The interconnected components of an ecosystem are in a steady state.
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A: Human beings are not considered to be a part of ecosystems.
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According to Healthy People 2010, the social environment includes A. Air, water, and soil B. Chemical, biological, and physical agents C. Housing, transportation, urban development D. Work-related stress, injury, and violence
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D: Work-related stress, injury, and violence
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During April, 2009, a Texas community reported 87 cases of H1N1 associated influenza. Ultimately, 9 fatal cases of H1N1 occurred during this same month. There were 4 other fatalities. The CFR associated with H1N1 during April was A. 13/97 times 100 B. 4/9 times 100 C. 9/87 times 100 D. 13/87 times 100 E. 4/87 times 100
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C: 9/87 times 100
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Examples of purely observational epidemiologic studies do not usually include A. Experimental studies B. Cohort studies C. Counts D. Case series E. Cross-sectional studies
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A: Experimental studies
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Hill's criteria of causality include: A. Strength B. Consistency C. Temporality D. Biological gradient E. All of the above
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E: All of the above(*)
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Identify the historical figure who was among the first to expound on the role of environmental factors in causing diseases: A. Sir Percival Pott B. John Snow C. Hippocrates D. KJ Rothman E. Socrates
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C: Hippocrates
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John Snow, in Snow on Cholera A. Was the father of modern biostatistics B. Established postulates for transmission of infectious disease C. Was an English anesthesiologist who used natural experiments D. Argued that the environment was associated with diseases such as malaria E. Was a London surgeon who identified an environmental cause of cancer
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C: Was an English anesthesiologist who used natural experiments
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Sir Percival Pott, who wrote Chirurgical Observations Relative to A. Was the father of modern biostatistics B. Established postulates for transmission of infectious disease C. Was an English anesthesiologist who used natural experiments D. Argued that the environment was associated with diseases such as malaria E. Was a London surgeon who identified an environmental cause of cancer
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E: Was a London surgeon who identified an environmental cause of cancer
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The contributions of epidemiology to environmental health include A. Concern with populations B. Use of observational data C. Methodology for study designs D. Descriptive and analytic studies E. All of the above
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E: All of the above
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The limitations of environmental epidemiology include the fact that A. Accurate assessment of exposure is difficult. B. Environmentally associated diseases often have low incidence and prevalence. C. Long latency periods often occur between initial exposures and disease outcomes. D. The effects of exposures are often non-specific. E. All of the above.
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E: All of the above.
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The risk of acquiring a given disease during a time period is best determined by A. The case fatality rate (CFR) from that disease in the 0-4 age group B. A spot map that records all cases of the disease in the past year C. The prevalence for that disease during the past year D. The incidence rate for that disease in a given period of time E. The number of deaths due to that disease during a given year
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D: The incidence rate for that disease in a given period of time
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The Texas Sharpshooter Effect A. A new insect pest that is invading the southwest B. A description of disease according to person variables C. A description of disease according to etiologic factors D. One cause of spurious or chance clustering E. None of the above
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D: One cause of spurious or chance clustering
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Which of the following observational designs is used for hypothesis testing? A. Proportionate mortality comparisons B. Cohort studies C. Counts D. Case series E. Cross-sectional studies
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B: Cohort studies
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Which of the following statements is true about cohort studies? A. Subjects are classified according to their exposure. B. They are a type of longitudinal design. C. They may be either prospective or retrospective. D. The measure of association is called relative risk. E. All of the above
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E: All of the above
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Which of the following statements is untrue about case-control studies? A. Exposure to a factor is determined retrospectively. B. They are a type of longitudinal design. C. The measure of association is the odds ratio. D. Exposure levels may be difficult to quantify precisely. E. They can examine many potential exposures.
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B: They are a type of longitudinal design.
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When used as a food additive, nitrates and nitrites....
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react with other substances to form carcinogens
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what was healthy people 2010 goal number 8
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"to promote health for all through a healthy environment"
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The three Ps
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pollution, population, poverty
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What chronic disease does environmental health contribute to
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cancer (cervical, prostate, breast)
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Who was the first person to describe an environmental cause of cancer
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Sir Percival Pott, chimney sweep and prostate cancer
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Who discovered the source of a cholera outbreak of 1849
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John Snow
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How many people does foodbourne illness affect each year
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one quarter of the population, 9,000 deaths, costs 5 billion annually
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US department of agriculture
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regulate the safety of meat and poultry products
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Food and drug administration
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US agency charged with regulation and enforcement of food safety