Exam Questions / Microbiology

Normal flora questions

Written by MicroDok
  • What is normal microflora?
  • Differentiate between resident and transient normal microflora.
  • Define amensalism.
  • Explain the contribution of normal microflora in disease development.
  • List five normal microflora that colonize the female genitalia.
  • Enumerate the benefits of normal microflora in the body.
  • With the aid of a diagram, illustrate the path followed by pathogens in the development of disease in the body.
  • What is axenic animal?
  • Describe in detail the portal of entry of pathogens into the human body.
  • Briefly explain how acne (black spot) develops.
  • Differentiate between endogenous and exogenous microbes.
  • Define mycoflora.
  • What is a host-parasite relationship?
  • Enumerate five normal microflora found in the human mouth.
  • Outline five normal microflora found in the female vagina.
  • Bifidobacterium species or Bifidobacteria is a normal flora found in the human gastrointestinal tract (GIT). Mention the particular area of the GIT where it is located as a microflora.
  • Which normal flora produces lactic acid from the fermentation of glycogen in the female vagina?
  • Succinctly describe how a normal microflora can become a pathogen?
  • What are gnotobiotic animals?
  • Diagrammatically illustrate the flow chart of disease development in a human host.
  • Describe droplet infections and mention three bacteria notable with such infections.
  • What are congenital infections?
  • What is the causative agent of acne?

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