Which of the following is not a function of astrocytes?a)Structural supportb)Hypoxia bufferingc)Barrier protectiond)Interstitial fluid monitoring for pathogensCorrect answer is option 'D'. Can you explain this answer?

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Which of the following is not a function of astrocytes?

a)
Structural support
b)
Hypoxia buffering
c)
Barrier protection
d)
Interstitial fluid monitoring for pathogens

Correct answer is option 'D'. Can you explain this answer?

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Verified Answer

Which of the following is not a function of astrocytes?a)Structural su...

Astrocytes perform a variety of important functions in the central nervous system, but monitoring for pathogens in the interstitial fluid is not typically considered one of their primary roles.

Option A (Structural support) is correct because astrocytes play a crucial role in providing structural support to neurons. They contribute to the formation and maintenance of the blood-brain barrier, which helps regulate the exchange of substances between the bloodstream and the brain.

Option B (Hypoxia buffering) is correct because astrocytes can help buffer and regulate the levels of oxygen in the brain. They contribute to the regulation of cerebral blood flow and oxygen delivery to neurons, ensuring adequate oxygen supply during conditions such as hypoxia.

Option C (Barrier protection) is correct because astrocytes participate in the formation and maintenance of the blood-brain barrier, which serves as a protective barrier between the blood and the brain tissue. This barrier helps regulate the entry of substances into the brain and protects it from potentially harmful molecules or pathogens.

Therefore, the correct answer is Option D: Interstitial fluid monitoring for pathogens. While astrocytes can respond to inflammation and infection in the brain, their primary functions are not focused on actively monitoring the interstitial fluid for pathogens. Other immune cells, such as microglia, play a more direct role in pathogen surveillance in the central nervous system.

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