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

What is meant by a commensal species of microorganism?

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

Why are antibiotics not used in treating Influenza?

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

Which is not one of Koch's postulates?

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

What step does not break the chain of transmission?

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

What does microbiome mean

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

Which is the least common form of anthrax?

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

Which of these statements describes the prodromal phase of infection?

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

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

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

How is the influenza vaccine produced?

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

What does NAAT achieve?

<p>amplification of DNA (A)</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 (C)</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 (D)</p> Signup and view all the answers

Influenza virus belongs to the following family

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

Which one of the following statements describes type B Influenza?

<p>Usually causes less severe illness (C)</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 (D)</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 (D)</p> Signup and view all the answers

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

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

Results What does the term "zoonotic" mean?

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

Which is the first phase of an infectious disease?

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

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

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

What does epidemiology of infectious disease focus on?

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

How could a microorganism be shed from the body?

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

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

<p>none of the above (D)</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 (A)</p> Signup and view all the answers

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

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

Which of the following disease causing agents are parasitic worms?

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

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

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

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