Multiple Choice
Which of the following is a common characteristic of viral pneumonia?
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1. Introduction to Microbiology
Acellular Infectious Agents: Viruses, Viroids & Prions
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The limitation of the type of cell that a virus can invade is called the:
A
host range
B
tropism
C
virulence factor
D
pathogenicity
Verified step by step guidance1
Understand the question is asking for the term that describes the limitation on the type of cell a virus can infect.
Recall that viruses can only infect specific cells or organisms, which is determined by the compatibility between viral surface proteins and host cell receptors.
Recognize that the term 'host range' refers to the spectrum of host cells or organisms that a virus can infect.
Note that 'tropism' is related but more specific, describing the preference of a virus for particular cell types or tissues within a host.
Conclude that the correct term for the limitation on the type of cell a virus can invade is 'host range'.
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