Reading Quiz Pg 437-451

11 Questions | Total Attempts: 60

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Questions and Answers
  • 1. 
    Risk is expressed as a probability of suffering from
    • A. 

      Disease or injury

    • B. 

      Environmental damage

    • C. 

      Death

    • D. 

      Economic loss

    • E. 

      All of these answers

  • 2. 
    The five main types of hazards include all of the following except
    • A. 

      Biological

    • B. 

      Physical

    • C. 

      Global

    • D. 

      Chemical

    • E. 

      Cultural

  • 3. 
    All of the following are considered to be cultural hazards except
    • A. 

      Smoking

    • B. 

      Poor diet

    • C. 

      Viruses

    • D. 

      Driving

    • E. 

      Drugs

  • 4. 
    The strategy which would contribute least to longer lifespans would be
    • A. 

      No smoking

    • B. 

      Regular exercise

    • C. 

      Safe driving

    • D. 

      Healthy eating

    • E. 

      Regular sunbathing

  • 5. 
    The amount of substance a person has ingested, inhaled, or absorbed through the skin is called the
    • A. 

      Toxic level

    • B. 

      Persistence

    • C. 

      Chemical sensitivity

    • D. 

      Dose

    • E. 

      Acute effect

  • 6. 
    Mutagens
    • A. 

      Are fatal to humans in low doses.

    • B. 

      Cause birth defects.

    • C. 

      Are harmful because they are flammable, explosive, irritating to skin or lungs, or cause allergic reactions.

    • D. 

      Cause mutations.

    • E. 

      Decrease the frequency of mutations.

  • 7. 
    Carcinogens may be
    • A. 

      Viruses

    • B. 

      Radiation

    • C. 

      Chemicals

    • D. 

      PCBs

    • E. 

      All of these answers

  • 8. 
    Teratogens
    • A. 

      Are fatal to humans in low doses

    • B. 

      Cause birth defects

    • C. 

      Are harmful because they are irritating to skin or lungs

    • D. 

      Cause mutations

    • E. 

      Cause high birth rates due to drinking

  • 9. 
    The science that examines the effects of harmful chemicals on humans, wildlife, and ecosystems is called
    • A. 

      Toxicology

    • B. 

      Pharmacology

    • C. 

      Risk assessment

    • D. 

      Epidemiology

    • E. 

      Risk management

  • 10. 
    Toxicity depends on all of the following factors except
    • A. 

      How often exposure occurred

    • B. 

      Phenotypic makeup

    • C. 

      Who is exposed

    • D. 

      Dose

    • E. 

      How well the body's detoxification systems work

  • 11. 
    Low levels of these chemical messengers from the endocrine system turn on and off specific bodily systems and have a specific molecular shape that allows it to attach only to certain cell receptors.
    • A. 

      Neurotoxins

    • B. 

      Mutagens

    • C. 

      Hormones

    • D. 

      Gender benders

    • E. 

      None of these apply

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