Assertion : Erythrocyte sedimentation rate (ESR) is non-specific test.
Reason : ESR depends upon several factors.

If both assertion and reason are true and the reason is the correct explanation of the assertion.

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If both assertion and reason are true but reason is not the correct explanation of the assertion.

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If assertion is true but reason is false.

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If the assertion and reason both are false.

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If assertion is false but reason is true.

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Solution

The correct option is B If both assertion and reason are true but reason is not the correct explanation of the assertion.
ESR (erythrocyte sedimentation rate) is said to be a non-specific test because an elevated result often indicates the presence of inflammation but doesn't tell the health practitioner exactly where the inflammation is in the body or what is causing it. An ESR can be affected by other conditions besides inflammation. ESR varies greatly with age and sex and corresponding reference values are proposed. Lifestyle factors (physical activity, smoking, alcohol consumption) and common metabolic abnormalities (obesity and related metabolic syndrome) may also influence ESR values.
So, the correct option is option B

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Assertion : Erythrocyte sedimentation rate (ESR) is non-specific test.Reason : ESR depends upon several factors.

Assertion : Erythrocyte sedimentation rate (ESR) is non-specific test.
Reason : ESR depends upon several factors.