Viral Infections Impact on Immune System: HIV/AIDS and HTLV
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Questions and Answers

What is the main reason viruses are considered intracellular parasites?

  • They carry genetic material in the form of nucleic acids
  • They cannot replicate and multiply outside of cells (correct)
  • They introduce genetic material into cells
  • They use cells for energy metabolism

Which of the following is a crucial function that viruses rely on cells for?

  • Genetic material protection
  • Energy metabolism
  • Protein synthesis (correct)
  • Nucleic acid synthesis

How do viruses protect their genetic material during transmission between cells?

  • By creating a physical barrier around the genetic material
  • By utilizing energy from the host cell
  • By encoding protective proteins in their genetic material
  • By forming a protective coating around the virus particles (correct)

Which cellular process is essential for viruses to produce their proteins and genetic material?

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

What component of the virus particles is responsible for carrying the genetic material?

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

Why are viruses unable to replicate and multiply outside of living cells?

<p>They require cellular machinery for protein synthesis (B)</p> Signup and view all the answers

How do most viruses typically infect cells?

<p>By altering the cell's functions (D)</p> Signup and view all the answers

Which important route of virus entry into the body involves the transmission through food or water?

<p>Oral cavity and digestive tract (D)</p> Signup and view all the answers

What is the most common method of transmission for Human Immunodeficiency Virus (HIV)?

<p>Sharing of contaminated needles (A)</p> Signup and view all the answers

Which subtype of HIV predominates in North America and Western Europe?

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

What is characteristic of lentiviruses like HIV in terms of causing diseases?

<p>They cause diseases extremely slowly (B)</p> Signup and view all the answers

What is an example of an infection that can result from viruses affecting only the skin?

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

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