WK 5: Microbiology Lecture Notes (Med Yr1-2)
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Questions and Answers

What is the approximate ratio of bacterial cells to human cells in the human body?

  • 1.3:1 (correct)
  • 1:1
  • 3:1
  • 10:1

    • What percentage of the Earth's biomass is constituted by microorganisms?

  • 50%
  • 99%
  • 70%
  • 90% (correct)

    • What is the approximate number of microbial cells that exist on Earth?

  • 5x10^25
  • 5x10^40
  • 5x10^30 (correct)
  • 5x10^20

    • What is the origin of around 30% of human DNA?

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

    Which of the following is NOT a type of relationship between microorganisms?

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

    What is the primary role of microorganisms in food chains?

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

    In which semester is the topic 'Benefits and mischiefs of intestinal flora' covered in Year 1?

    <p>2nd Sem</p> Signup and view all the answers

    Which of the following is an example of microorganisms' role in food production?

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

    What is the primary focus of the exam questions in Microbiology and Infectious Diseases?

    <p>Applying concepts to real patients in hospitals and clinics</p> Signup and view all the answers

    What is the primary role of microorganisms in the Earth's ecosystem?

    <p>Cycling carbon, nitrogen, sulphur, hydrogen, and oxygen</p> Signup and view all the answers

    What is the earliest form of life on Earth?

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

    In which year is the topic 'Bone and joint infections' covered?

    <p>Year 2</p> Signup and view all the answers

    What is the primary responsibility of infection control?

    <p>Everybody's responsibility</p> Signup and view all the answers

    What is the primary classification of microorganisms discussed in the course?

    <p>Gram-positive vs. gram-negative bacteria</p> Signup and view all the answers

    What is the focus of the 'Host-pathogen interactions' topic?

    <p>Analyzing the interactions between hosts and pathogens</p> Signup and view all the answers

    In which semester is the topic 'Introduction to microbiology' covered in Year 1?

    <p>1st Sem</p> Signup and view all the answers

    What is the primary importance of the pathology laboratory?

    <p>Diagnosing infections and identifying microorganisms</p> Signup and view all the answers

    What is the focus of the 'Strategies for respiratory infections' topic?

    <p>Developing strategies for respiratory infections</p> Signup and view all the answers

    What is the primary role of bowel flora in nutrient absorption?

    <p>Breaking down some foods</p> Signup and view all the answers

    What is the term for the study of microorganisms in a particular place or niche?

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

    Who is credited with the discovery of microorganisms using a microscope?

    <p>Antony Van Leeuwenhoek</p> Signup and view all the answers

    What was the primary contribution of Ignaz Semmelweis?

    <p>Introducing antiseptic hand wash</p> Signup and view all the answers

    What is the term for the scientific study of microorganisms?

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

    What was the significance of the 1847 hand washing intervention?

    <p>It reduced infection and mortality rates</p> Signup and view all the answers

    What is the term for diseases caused by microorganisms?

    <p>Infectious Diseases</p> Signup and view all the answers

    Who is credited with tracing the source of a cholera outbreak in Soho, London?

    <p>John Snow</p> Signup and view all the answers

    What was the primary contribution of Fracastoro?

    <p>Proposing the idea of invisible particles causing disease</p> Signup and view all the answers

    What is the term for the application of microbiology to the observation and treatment of patients?

    <p>Clinical Microbiology</p> Signup and view all the answers

    What is the format of the lectures in Microbiology and Infectious Diseases?

    <p>Lectures, online modules, clinical classrooms, and PBLs</p> Signup and view all the answers

    In which year of the medical program is the topic 'Bone and joint infections' covered?

    <p>Year 2</p> Signup and view all the answers

    What is the focus of the 'Strategies for respiratory infections' topic?

    <p>Respiratory infections</p> Signup and view all the answers

    What is the focus of the 'Benefits and mischiefs of intestinal flora' topic?

    <p>Benefits and mischiefs of intestinal flora</p> Signup and view all the answers

    What type of questions will the exam be based on?

    <p>Concepts applicable to real patients in hospitals and clinics</p> Signup and view all the answers

    What is the importance of the pathology laboratory?

    <p>To diagnose and treat infections</p> Signup and view all the answers

    What is the focus of the 'Host-pathogen interactions' topic?

    <p>Host-pathogen interactions</p> Signup and view all the answers

    In which semester is the topic 'Introduction to microbiology' covered in Year 1?

    <p>1st Semester</p> Signup and view all the answers

    What is the importance of infection control?

    <p>Everybody's responsibility</p> Signup and view all the answers

    What is the term for the study of microorganisms in a particular place or niche?

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

    What is the term for the scientific study of microorganisms?

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

    What is the term for diseases caused by microorganisms?

    <p>Infectious Diseases</p> Signup and view all the answers

    Who is credited with tracing the source of a cholera outbreak in Soho, London?

    <p>John Snow</p> Signup and view all the answers

    What was the significance of the 1847 hand washing intervention?

    <p>It reduced maternal mortality rates.</p> Signup and view all the answers

    What is the term for the application of microbiology to the observation and treatment of patients?

    <p>Clinical Microbiology</p> Signup and view all the answers

    Who is credited with the discovery of microorganisms using a microscope?

    <p>Antony Van Leeuwenhoek</p> Signup and view all the answers

    What was the primary contribution of Fracastoro?

    <p>He proposed that invisible particles cause disease.</p> Signup and view all the answers

    What was the primary contribution of Ignaz Semmelweis?

    <p>He introduced antiseptic hand washing.</p> Signup and view all the answers

    What was the significance of the 1796 event?

    <p>It was the year the first vaccine was developed.</p> Signup and view all the answers

    What is the approximate ratio of microbial cells to human cells in the human body?

    <p>1.3:1</p> Signup and view all the answers

    What percentage of our DNA is of viral origin?

    <p>30%</p> Signup and view all the answers

    What is the primary role of microorganisms in the Earth's ecosystem?

    <p>Cycling nutrients</p> Signup and view all the answers

    What is the significance of microorganisms in food chains?

    <p>They are a link between producers and consumers</p> Signup and view all the answers

    What is the primary importance of microorganisms in the Earth's ecosystem?

    <p>Constituting 90% of Earth's biomass</p> Signup and view all the answers

    What is the role of microbes in the physical and chemical makeup of the Earth?

    <p>They affect both the physical and chemical makeup</p> Signup and view all the answers

    What is the significance of microorganisms in the cycle of elements?

    <p>They cycle carbon, nitrogen, sulphur, hydrogen, and oxygen</p> Signup and view all the answers

    What is the importance of microorganisms in the growth of plants and animals?

    <p>They regulate and affect the growth of plants and animals</p> Signup and view all the answers

    What is the significance of microorganisms in the Earth's ecosystem?

    <p>They are ubiquitous and found in all environments</p> Signup and view all the answers

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