Practice Quiz

NREMT Advanced EMT

Category - Medical Knowledge

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What statement about viruses is true?
  1. Viruses are unicellular organisms that live through the environment.
  2. Viruses are intracellular parasites, but are easy to treat.
  3. Viruses are intracellular parasites that are difficult to treat.
  4. Viruses are unicellular organisms usually found on the skin.
Explanation
Answer - C - Viruses are intracellular parasites that are difficult to treat. They are referred to as intracellular due to the fact that they must first enter the cell to reproduce. Once inside the cell, they use the various cellular enzymes to replicate and produce more viruses. Unlike bacteria, they cannot reproduce outside of the host cell. The only way to destroy a virus is to destroy the infected cell.
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