Retrovirus Quiz

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Questions and Answers

Which genus contains the human immunodeficiency virus (HIV)-1 and 2?

  • Genus Betaretrovirus
  • Genus Lentivirus (correct)
  • Genus Deltaretrovirus
  • Genus Alpharetrovirus

Which enzyme do retroviruses possess?

  • RNA polymerase
  • DNA polymerase
  • Reverse transcriptase (correct)
  • Ligase

What is the etiologic agent of Acquired Immunodeficiency Syndrome (AIDS)?

  • Human immunodeficiency virus (HIV)-2
  • Human immunodeficiency virus (HIV)-1 (correct)
  • Simian immunodeficiency virus (SIVcpz)
  • Human T cell lymphotropic virus-1 (HTLV-1)

Where was the first case of AIDS described?

<p>New York, USA (C)</p> Signup and view all the answers

What was the origin of HIV in humans believed to be?

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

Which virus is the etiologic agent of Acquired Immunodeficiency Syndrome (AIDS)?

<p>Human immunodeficiency virus (HIV)-1 (A)</p> Signup and view all the answers

From which family do retroviruses belong?

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

In which year was the first case of AIDS described in New York (USA)?

<p>1981 (D)</p> Signup and view all the answers

Which enzyme directs the synthesis of DNA from the viral RNA in retroviruses?

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

Which genus contains the human T cell lymphotropic virus-1 (HTLV-1)?

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

Which genus of retroviruses contains human T cell lymphotropic virus-1 (HTLV-1)?

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

From where was HIV believed to be acquired by humans through cross-species infections?

<p>Chimpanzee in rural Africa (D)</p> Signup and view all the answers

What is the etiologic agent of Acquired Immunodeficiency Syndrome (AIDS)?

<p>Human immunodeficiency virus (HIV) (A)</p> Signup and view all the answers

Which enzyme directs the synthesis of DNA from the viral RNA in retroviruses?

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

Where was the first case of AIDS described?

<p>New York (USA) (B)</p> Signup and view all the answers

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