Multiple Choice
Which of the following is a type of cytopathic effect caused by viruses?
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17. Viruses
Viruses
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Which statement best describes where viruses, as pathogens, are found?
A
Viruses can be found both inside and outside of host cells.
B
Viruses are only found in the bloodstream of infected hosts.
C
Viruses are only present in the digestive system of hosts.
D
Viruses are exclusively found in the air and water.
Verified step by step guidance1
Understand that viruses are obligate intracellular parasites, meaning they require a host cell to replicate.
Recognize that viruses can exist outside of host cells in the form of virions, which are the infectious particles that can survive in the environment until they find a suitable host.
Consider that once a virus infects a host, it can be found inside the host cells where it hijacks the cellular machinery to replicate.
Acknowledge that viruses can also be present in bodily fluids such as blood, but they are not restricted to the bloodstream or any specific system like the digestive system.
Conclude that viruses can be found both inside host cells during infection and outside host cells as virions in the environment, making the first statement the most accurate description.
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