Intergrated infection mcq
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Questions and Answers

Has the human microbiome project results so far shown that:

  • Microbial community's functional pathways change by site and that Microbial communities are site specific
  • Microbial communities share common representatives but vary
  • Microbial communities show varying diversity depending on site
  • All statements are correct (correct)

    • Which of these types of pathogen is non-cellular?

  • Protist
  • Bacteria
  • Fungi
  • Virus (correct)

    • What does WGS stand for

  • World genome sample
  • Whole genome sequencing (correct)
  • Whole gene sequencing
  • Whole genome sample

    • What makes detecting microorganisms challenging?

    <p>All of the above</p> Signup and view all the answers

    What is meant by a commensal species of microorganism?

    <p>it is harmless</p> Signup and view all the answers

    Why are antibiotics not used in treating Influenza?

    <p>antivirals are used to treat it</p> Signup and view all the answers

    Which is not one of Koch's postulates?

    <p>The agent must show host to host transmission</p> Signup and view all the answers

    What is the specific mechanisms by which vaccine provides protective immunity?

    <p>To evoke immunological memory in T cells</p> Signup and view all the answers

    What step does not break the chain of transmission?

    <p>shaking hands</p> Signup and view all the answers

    What does microbiome mean

    <p>A community of microorganisms in a defined habitat</p> Signup and view all the answers

    What approaches could be used to develop a vaccine against a new virus?

    <p>All of the above</p> Signup and view all the answers

    Which is the least common form of anthrax?

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

    What does the pathology of infectious disease not result from?

    <p>damage caused to host tissues by pathogen route of entry</p> Signup and view all the answers

    Which of these statements describes the prodromal phase of infection?

    <p>Non-specific symptoms of disease onset</p> Signup and view all the answers

    Which type of microorganisms typically only causes an acute infection? 2 Choices.

    <p>Ebola and Influenza</p> Signup and view all the answers

    Why are there different types of stains used in light microscopy to detect microorganisms?

    <p>to show different types of microorganism</p> Signup and view all the answers

    How is the influenza vaccine produced?

    <p>In eggs</p> Signup and view all the answers

    What does NAAT achieve?

    <p>amplification of DNA</p> Signup and view all the answers

    An animal was infected with a virus. A mosquito bit the animal and was contaminated with the virus. The mosquito then proceeded to bite and infect a human. Which was the vector?

    <p>The mosquito</p> Signup and view all the answers

    Which one of the following is NOT a feature of the Botulinum toxin?

    <p>It is a secreted endotoxin</p> Signup and view all the answers

    Influenza virus belongs to the following family

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

    Which one of the following is NOT correct for Influenza

    <p>Haemagglutinin attaches to serine receptors on epithelial cells</p> Signup and view all the answers

    Which one of the following statements describes type B Influenza?

    <p>Usually causes less severe illness</p> Signup and view all the answers

    An endotoxin is

    <p>The toxic product of the LPS component of the outer leaflet of the membrane</p> Signup and view all the answers

    Which of the following is NOT an important factor in the initial development of an infection?

    <p>The ability to cause a latent infection</p> Signup and view all the answers

    What is a direct example of breaking the chain of transmission?

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

    Results What does the term "zoonotic" mean?

    <p>the infectious agent originated in another host animal</p> Signup and view all the answers

    Which is the first phase of an infectious disease?

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

    Why did Barry Marshall self- inoculate with H. pylori?

    <p>there was no animal model of disease</p> Signup and view all the answers

    What does epidemiology of infectious disease focus on?

    <p>incidence and transmission of a microorganism</p> Signup and view all the answers

    How could a microorganism be shed from the body?

    <p>via formation of a wart</p> Signup and view all the answers

    What is meant by a polymicrobial disease?

    <p>it is caused by more than one type of microorganism</p> Signup and view all the answers

    What is the COVID-19 Oxford- AstraZeneca vaccine based on?

    <p>none of the above</p> Signup and view all the answers

    What does not contribute to the pathology of an infectious disease?

    <p>damage to tissues and cells by an infecting microorganism</p> Signup and view all the answers

    What types of skin manifestation can Streptococcus pyogenes infection result in?

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

    What does not contribute to the pathology of an infectious disease?

    <p>obtaining samples from the patient for diagnosis such as a biopsy</p> Signup and view all the answers

    Which of the following disease causing agents are parasitic worms?

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

    In the chain of infection which of the following is not a stage of infection:

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

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