Assertion: HIV infected persons are prone to | vedclass

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(A) Usually,a person shows symptoms of $HIV$ infection within $2$ to $6$ weeks of exposure to the virus.But in some persons,the virus may remain silen

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If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.

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(A) Usually,a person shows symptoms of $HIV$ infection within $2$ to $6$ weeks of exposure to the virus.But in some persons,the virus may remain silent for long periods (up to $10$ years) before symptoms of full-blown $AIDS$ are observable.The symptoms of $HIV$ infection include fever,lethargy,pharyngitis,nausea,headache,rashes,etc.Persons suffering from $AIDS$ have a weakened immune system due to the depletion of $T$-helper cells.Such persons show opportunistic infections,i.e.,infections by those fungi,bacteria,and viruses to which a person with a normal immune system is expected to be resistant.Therefore,persons prone to opportunistic infections may be suspected to be infected by $HIV$,particularly if the count of $T$-helper cells is $200/\,ml$ or lower.Since the depletion of $T$-helper cells directly leads to a weakened immune system,which in turn makes the body susceptible to opportunistic infections,the Reason correctly explains the Assertion.

Assertion: $HIV$ infected persons are prone to opportunistic diseases.
Reason: Immune system weakens during $HIV$ infection.

Similar Questions

Which option correctly identifies $p, q, r$ and $s$ in the given figure of the $HIV$ virus?

What is the nucleic acid present in $HIV$?

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Which glycoprotein is present on the outermost surface of the $HIV$ virus?

In which country was $AIDS$ first detected?

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Assertion: $HIV$ infected persons are prone to opportunistic diseases.Reason: Immune system weakens during $HIV$ infection.