Hookworm Infection Overview
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Questions and Answers

What is the main mode of transmission of hookworm infection?

  • Through the air
  • Ingestion of larvae
  • Walking barefoot on contaminated soil (correct)
  • Direct contact with an infected person
  • Which species of hookworm can also be transmitted through the ingestion of larvae?

  • Ascaris lumbricoides
  • Necator americanus
  • Ancylostoma duodenale (correct)
  • Trichuris trichiura
  • What are the most serious effects of hookworm infection?

  • Skin rashes
  • Respiratory problems
  • Hair loss
  • Blood loss leading to anaemia (correct)
  • In what conditions do hookworm larvae hatch and become free-living in contaminated soil?

    <p>Humid and warm</p> Signup and view all the answers

    Where were the hookworm species Necator americanus widespread until the early 20th century?

    <p>South-eastern United States</p> Signup and view all the answers

    When do hookworm eggs become larvae under favorable conditions?

    <p>1 to 2 days</p> Signup and view all the answers

    How is whipworm (Trichuris trichiura) mainly transmitted among humans?

    <p>Through fecal-oral transmission</p> Signup and view all the answers

    Which of the following is a common method for the spread of whipworm?

    <p>Using human feces as fertilizer</p> Signup and view all the answers

    What is a key characteristic of areas where whipworm infections are more prevalent?

    <p>Places with poor sanitation practices</p> Signup and view all the answers

    In 2002, approximately how many people were estimated to be infected with whipworm worldwide?

    <p>1 billion</p> Signup and view all the answers

    What is the geographic distribution where trichuriasis (whipworm infection) occurs more frequently?

    <p>Areas with tropical weather and poor sanitation practices</p> Signup and view all the answers

    Which of the following statements accurately describes hookworm transmission?

    <p>Spread through skin penetration by larvae in contaminated soil</p> Signup and view all the answers

    What is the primary route of transmission for hookworm infections?

    <p>Skin penetration by hookworm larvae</p> Signup and view all the answers

    How do hookworm eggs typically enter the environment?

    <p>Passed in feces of infected individuals</p> Signup and view all the answers

    What is a key factor that has greatly reduced hookworm infections in the United States?

    <p>Better living conditions</p> Signup and view all the answers

    Where do hookworms primarily reside in the human body?

    <p>Small intestine</p> Signup and view all the answers

    What is a common method through which hookworm eggs are spread in the environment?

    <p>Use of infected person's feces as fertilizer</p> Signup and view all the answers

    Which of the following best describes the life cycle of hookworms in humans?

    <p>Larvae hatch in the lungs and migrate to the intestine</p> Signup and view all the answers

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