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

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

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

What is the primary role of microorganisms in food chains?

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

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

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

What is the earliest form of life on Earth?

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

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

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

What is the primary responsibility of infection control?

<p>Everybody's responsibility (A)</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 (D)</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 (C)</p> Signup and view all the answers

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

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

What is the primary importance of the pathology laboratory?

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

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

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

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

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

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

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

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

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

What was the primary contribution of Ignaz Semmelweis?

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

What is the term for the scientific study of microorganisms?

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

What was the significance of the 1847 hand washing intervention?

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

What is the term for diseases caused by microorganisms?

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

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

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

What was the primary contribution of Fracastoro?

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

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

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

What is the importance of the pathology laboratory?

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

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

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

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

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

What is the importance of infection control?

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

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

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

What is the term for the scientific study of microorganisms?

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

What is the term for diseases caused by microorganisms?

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

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

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

What was the significance of the 1847 hand washing intervention?

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

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

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

What was the primary contribution of Fracastoro?

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

What was the primary contribution of Ignaz Semmelweis?

<p>He introduced antiseptic hand washing. (A)</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. (C)</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 (B)</p> Signup and view all the answers

What percentage of our DNA is of viral origin?

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

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

<p>Cycling nutrients (D)</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 (C)</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 (D)</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 (B)</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 (A)</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 (A)</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 (B)</p> Signup and view all the answers

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