Microbiology and Disease Prevention Quiz
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Questions and Answers

What is one of the methods to improve hygiene and reduce disease transmission?

  • Hand washing (correct)
  • Ignoring sneezing etiquette
  • Eating raw meat
  • Frequent handshaking

    • How does vaccination work to protect individuals from diseases?

  • By injecting a harmless pathogen (correct)
  • By relying on antibiotics
  • By using high doses of harmful pathogens
  • By enhancing physical strength

    • Which of the following is a symptom of measles?

  • Rash (correct)
  • Fever (correct)
  • Headache
  • Nausea

    • What is a method to prevent the spread of HIV?

    <p>Using condoms</p> Signup and view all the answers

    What is a characteristic of the tobacco mosaic virus?

    <p>It discolors plant leaves.</p> Signup and view all the answers

    Which of the following is NOT a recommended prevention strategy for managing HIV?

    <p>Sharing needles</p> Signup and view all the answers

    How can the spread of bacterial diseases be effectively managed?

    <p>Implementing good hygiene practices</p> Signup and view all the answers

    What role do insect vectors play in plant diseases like tobacco mosaic virus?

    <p>They carry pathogens from diseased to healthy plants.</p> Signup and view all the answers

    Which of the following describes how bacteria multiply?

    <p>They divide by binary fission.</p> Signup and view all the answers

    What is a common example of pathogen transmission through the air?

    <p>Droplet infection from sneezing.</p> Signup and view all the answers

    Which statement about fungi is true?

    <p>Fungi spread their spores to other organisms.</p> Signup and view all the answers

    What type of pathogen is known to cause infections by living on or inside a host?

    <p>Protists</p> Signup and view all the answers

    What is the primary method by which viruses cause illness in an infected individual?

    <p>They burst host cells to reproduce.</p> Signup and view all the answers

    How can pathogens be spread through contact with contaminated surfaces?

    <p>By skin-to-skin contact.</p> Signup and view all the answers

    What type of microorganism is characterized by small size and rapid multiplication through dividing?

    <p>Bacteria</p> Signup and view all the answers

    Which of these methods can help limit the spread of infections in populations?

    <p>Maintaining cleanliness and hygiene.</p> Signup and view all the answers

    What are monoclonal antibodies produced from?

    <p>Identical immune cells from the same type</p> Signup and view all the answers

    Which component is NOT involved in the production of hybridoma cells?

    <p>Human immune cells</p> Signup and view all the answers

    What is an application of monoclonal antibodies in pregnancy tests?

    <p>Detecting human chorionic gonadotrophin (hCG)</p> Signup and view all the answers

    What kind of cells are combined with tumor cells to produce a hybridoma?

    <p>Mice lymphocytes</p> Signup and view all the answers

    In the process of creating a blue line in a pregnancy test, what do mobile antibodies bind to?

    <p>Human chorionic gonadotrophin (hCG)</p> Signup and view all the answers

    How are monoclonal antibodies modified for use in laboratories?

    <p>To bind to specific hormones or chemicals</p> Signup and view all the answers

    What is the role of stationary antibodies in a pregnancy test?

    <p>To bind to hCG complexes</p> Signup and view all the answers

    What makes tumor cells useful in the production of monoclonal antibodies?

    <p>They divide rapidly</p> Signup and view all the answers

    What is the main purpose of vaccinations?

    <p>To stimulate the production of antibodies.</p> Signup and view all the answers

    What can be a consequence of antibiotic-resistant bacteria?

    <p>Previous effective antibiotics stop working.</p> Signup and view all the answers

    Which of the following is NOT a characteristic of antibiotics?

    <p>They can kill viruses effectively.</p> Signup and view all the answers

    How does herd immunity affect disease outbreaks?

    <p>It helps to prevent disease outbreaks.</p> Signup and view all the answers

    What happens to non-resistant bacteria when exposed to antibiotics?

    <p>They are killed by the antibiotics.</p> Signup and view all the answers

    What is a reported disadvantage of vaccinations?

    <p>Bad reactions can occur in some cases.</p> Signup and view all the answers

    What role do antibodies play in fighting infections?

    <p>They bind to antigens on pathogens to neutralize them.</p> Signup and view all the answers

    Which of the following statements about antibiotics is true?

    <p>Mutations can result in antibiotic resistance.</p> Signup and view all the answers

    What is the purpose of antibodies in blood screening for HIV infections?

    <p>To bind to the HIV molecules and allow visualization</p> Signup and view all the answers

    Which treatment method involving monoclonal antibodies helps stop cancer cells from dividing?

    <p>Binding to receptor sites on the cell surface</p> Signup and view all the answers

    What is a significant advantage of using monoclonal antibodies in cancer treatment?

    <p>They only bind to specific cells, avoiding healthy cells</p> Signup and view all the answers

    What is a common disadvantage of monoclonal antibodies?

    <p>They can trigger immune responses in humans</p> Signup and view all the answers

    In research to identify specific molecules on a cell, scientists look for what indicator?

    <p>The presence of a visible dye</p> Signup and view all the answers

    How can monoclonal antibodies be engineered for broader applications?

    <p>By creating hybrid cells that reduce immune reactions</p> Signup and view all the answers

    What type of pathogens can affect plants?

    <p>Viral, bacterial, and fungal pathogens</p> Signup and view all the answers

    What is a potential issue with developing drugs that utilize monoclonal antibodies?

    <p>They require prior knowledge of the specific tumor markers</p> Signup and view all the answers

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