Environmental Barriers and Rare Routes of Virus Infections

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Questions and Answers

What is the main strategy mentioned in the text for overcoming environmental stress in virus infections?

  • Active cell transformation
  • Using a secondary vector for transmission (correct)
  • Utilizing blood transfusions
  • Taking advantage of arboviruses

Which rare route of virus entry involves transmission through breast milk?

  • Iatrogenic infections
  • Vertical virus transmission (correct)
  • Arboviruses
  • Zoonoses

What is the primary host for zoonotic transmission of viruses?

  • Arthropods
  • Another vertebrate (correct)
  • Insects
  • Humans

Which aspect of virus pathogenesis involves abnormal cell transformation caused by viruses?

<p>Cell transformation caused by viruses (A)</p> Signup and view all the answers

What is the medical term used to describe the capacity of one organism to cause disease in another?

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

Which attribute is commonly associated with malaise, as described in the text?

<p>General discomfort or uneasiness (D)</p> Signup and view all the answers

What is a common feature between persistent and chronic infections?

<p>Both may develop in hosts with immune system defects (A)</p> Signup and view all the answers

Which immune response outcome is generally associated with latent infections?

<p>Pathological consequences for the host (B)</p> Signup and view all the answers

What distinguishes subclinical infections from acute infections?

<p>Severity of symptoms (A)</p> Signup and view all the answers

Why are latent infections considered to be well adapted to coexist with their host?

<p>Their prolonged period before manifesting symptoms (D)</p> Signup and view all the answers

What is a distinguishing feature between tumorogenic and slow-progressing viral infections?

<p>The presence of infectious progeny in tumorogenic infections (C)</p> Signup and view all the answers

What is a key factor that determines the outcome of acute viral infections?

<p>Virulence of the virus and state of the immune system (D)</p> Signup and view all the answers

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