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 (C)</p> Signup and view all the answers

What is a characteristic of the tobacco mosaic virus?

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

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

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

How can the spread of bacterial diseases be effectively managed?

<p>Implementing good hygiene practices (D)</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. (B)</p> Signup and view all the answers

Which of the following describes how bacteria multiply?

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

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

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

Which statement about fungi is true?

<p>Fungi spread their spores to other organisms. (D)</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 (A)</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. (B)</p> Signup and view all the answers

How can pathogens be spread through contact with contaminated surfaces?

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

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

<p>Bacteria (A)</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. (C)</p> Signup and view all the answers

What are monoclonal antibodies produced from?

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

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

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

What is an application of monoclonal antibodies in pregnancy tests?

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

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

<p>Mice lymphocytes (B)</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) (D)</p> Signup and view all the answers

How are monoclonal antibodies modified for use in laboratories?

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

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

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

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

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

What is the main purpose of vaccinations?

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

What can be a consequence of antibiotic-resistant bacteria?

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

Which of the following is NOT a characteristic of antibiotics?

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

How does herd immunity affect disease outbreaks?

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

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

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

What is a reported disadvantage of vaccinations?

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

Which of the following statements about antibiotics is true?

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

What is a common disadvantage of monoclonal antibodies?

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

What type of pathogens can affect plants?

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

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