Assertion :Tuberculosis is most common at the upper part of the lower lobe of the lung. Reason: Ghon focus is present in the lungs.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Tuberculosis is caused by a bacterium and it is primarily acted on either the upper side of the lower lobe or the lower side of the upper lobe, as ghon focus is present in this region.
Hence, the correct answer is option A, i.e., Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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