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

$A$ doctor,while operating on an $HIV$ patient,accidentally cut himself with a scalpel. He comes to you,suspecting that he may have contracted the virus. Which test will you advise him to perform to rule out or confirm his suspicion?

The presence of $HIV$ can be detected by these methods:
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$(ii)$ $WB$ $Test$ (Western Blot)
$(iii)$ $VB$ $Test$
$(iv)$ $ALISA$

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