If a virus enters the CNS, which cell would attempt to phagocytose the pathogen? a. microglia b. T cell c. ependymal cell d. satellite cell e. neuron
Question
If a virus enters the CNS, which cell would attempt to phagocytose the pathogen?
- a. microglia
- b. T cell
- c. ependymal cell
- d. satellite cell
- e. neuron
Solution
The cell that would attempt to phagocytose the pathogen if a virus enters the CNS (Central Nervous System) is the microglia. So, the answer is a. microglia.
Here's why:
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Microglia are the primary immune cells of the central nervous system. They are distributed throughout the CNS and serve as the first line of defense in the event of infection or injury.
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When a pathogen like a virus enters the CNS, microglia are activated and transform into a reactive state.
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In this reactive state, microglia can perform a process called phagocytosis, where they engulf and digest the pathogen, effectively removing it from the CNS.
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Other cells listed like T cells, ependymal cells, satellite cells, and neurons do not have this capability. T cells are immune cells but they are not typically found in the CNS. Ependymal cells, satellite cells, and neurons have other functions in the CNS and are not involved in the immune response.
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