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Microbiology Media and Immunologic Tests
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Microbiology Media and Immunologic Tests

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Questions and Answers

What is the primary step in the infection process after bacteria enter the body?

  • Adherence (correct)
  • Transmission
  • Invasion
  • Acquisition
  • What is the purpose of immunologic tests in microbiology?

  • To distinguish between different species of bacteria based on their morphology
  • To link a specific bacterial strain to a disease caused in an individual (correct)
  • To identify bacteria based on their metabolic activity
  • To determine the antibiotic susceptibility of bacteria
  • What is the term used to describe a person or animal that has an asymptomatic infection that can be transmitted to others?

  • Carrier (correct)
  • Opportunistic pathogen
  • Nonpathogen
  • Pathogen
  • What is the characteristic of bacteria that form white colonies on MacConkey plate?

    <p>They are unable to metabolize lactose</p> Signup and view all the answers

    What is the term used to describe the genetic material present in the human body, including both human and microbial genes?

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

    What is the term for the use of antibodies to react with specific bacterial cell surface structures?

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

    What is the term used to describe a microorganism that can cause disease only when the host's resistance is impaired?

    <p>Opportunistic pathogen</p> Signup and view all the answers

    What is the function of zones of clearing on differential media?

    <p>To identify the presence of extracellular enzymes</p> Signup and view all the answers

    What is the term used to describe the ability of a microorganism to produce a toxin that contributes to the development of disease?

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

    What is the purpose of subtyping in microbiology?

    <p>To identify an organism on species level</p> Signup and view all the answers

    Who are the scientists credited with confirming the germ theory of disease?

    <p>Robert Koch and Louis Pasteur</p> Signup and view all the answers

    Who debunked the Spontaneous Generation Theory using a swan neck flask experiment?

    <p>Louis Pasteur</p> Signup and view all the answers

    What is the primary focus of Koch's Postulates?

    <p>Identifying the etiologic agents of diseases</p> Signup and view all the answers

    Which of the following diseases cannot be confirmed using Koch's Postulates?

    <p>Some bacteria that can cause infections</p> Signup and view all the answers

    What is the purpose of reisolation in Koch's Postulates?

    <p>To show that the same pathogen can be isolated from the same disease</p> Signup and view all the answers

    Which of the following pathogens causes Rabies?

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

    Which of the following bacteria is commonly associated with chicken?

    <p>C. jejuni</p> Signup and view all the answers

    What is the primary function of lysozyme in saliva?

    <p>To kill bacterial cells</p> Signup and view all the answers

    Which of the following routes of transmission is responsible for the spread of syphilis?

    <p>Direct contact</p> Signup and view all the answers

    What is the term for the study of the occurrence, distribution, and determinants of health and disease in populations?

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

    Which of the following protective barriers of the human body is responsible for phagocytosing foreign microorganisms?

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

    What is the term for the observation, recognition, and reporting of diseases as they occur?

    <p>Disease surveillance</p> Signup and view all the answers

    What is the primary goal of Koch's Postulates?

    <p>To prove the causality of a disease and its effects</p> Signup and view all the answers

    Which of the following is an example of an animal vector?

    <p>Bats carrying SARS-CoV-2</p> Signup and view all the answers

    What happens when a swan neck flask is tilted or removed, despite being heated first?

    <p>Putrefaction of the solution occurs</p> Signup and view all the answers

    Which of the following is a Molecular Koch's Postulate?

    <p>The pathogenic strain should be associated with a specific phenotype or property</p> Signup and view all the answers

    What is the primary characteristic of viruses according to Postulate 2 and 4?

    <p>They are not capable of growing in pure culture and cannot multiply</p> Signup and view all the answers

    What is an example of human-to-human transmission of disease?

    <p>Direct contact with an infected person</p> Signup and view all the answers

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