Exam Questions / Microbiology

Virology questions

Written by MicroDok
  • What is virology?
  • Succinctly describe the biology of viruses.
  • What is a virion?
  • Briefly explain the terms bacteriophage and plaque.
  • What are interferons?
  • Describe in details the several ways in which viruses differ from other living cells.
  • Describe in details the function of reverse transcriptase in the replication of RNA viruses.
  • Enumerate the economic importance of virus.
  • Describe the medical significance of prions.
  • What are viroids?
  • X-ray the chemical and physical properties of viruses.
  • How can a viral cell be inactivated?
  • Describe in details the several components of a virus.
  • How are viruses classified?
  • Describe in details the different stages involved in the pathogenesis and/or replication of a virus.
  • What is apoptosis?
  • What is Guillain-Barré syndrome?
  • Describe how the host cell defends itself from a viral infection.
  • What is Erythema infectiosum?
  • Mention the causative agent of progressive multifocal leukoencephalopathy and describe briefly the clinical condition of the disease.
  • Using examples differentiate RNA viruses from DNA viruses.
  • What is a provirus?
  • What species of mosquito transmits Zika virus and Chikungunya virus to man?
  • Explain in details the acronym HAART.
  • Describe HIV based on its pathogenesis, laboratory diagnosis and treatment.
  • What are arboviruses?
  • What are haemorrhagic fever viruses?
  • What is an aerogenical transmission?
  • Differentiate between antigenic drift and antigenic shift.
  • Briefly explain the medical significance of viruses in the Caliciviridae family and Picornaviridae
  • Explain the medical significance of rotaviruses.
  • Describe Lassa fever bases on its causative agent, pathogenesis, animal host, treatment and prevention
  • What re the four main causative agents of ebola?
  • What is the causative agent of SARS?
  • Describe in details viral cultivation.
  • What is cytopathic effect?
  • Explain hemadsorption as it relates to viral cultivation.
  • What is plaque-forming unit (PFU)?
  • What is egg candling?
  • Describe in details viral cultivation using embryonated egg.
  • Describe in details the factors that encourage the pathogenesis/virulence of a pathogenic virus.
  • Describe in details the transmission, pathogenesis, laboratory diagnosis, treatment and prevention of EVD.
  • What is contact tracing?
  • Why is Zika virus infection called a pandemic and notifiable disease?
  • Define the term vaccine.
  • Describe in details the different types of vaccines.
  • Why is viral haemorrhagic fever referred to as a multisystem syndrome?
  • Describe in details Zika virus bases on its causative agent, symptoms, pathogenesis, diagnosis, treatment and prevention.
  • Mention two other viral diseases caused by Filoviruses and which are transmitted to man by arthropods.
  • What is the function of replicase enzyme in the replication of RNA viruses?

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