With reference to Biomarkers consider following statements They are often measured and eva...........

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With reference to Biomarkers, consider following statements

They are often measured and evaluated to examine normal biological processes, pathogenic processes, or pharmacologic responses to a therapeutic intervention.
They are classified in two primary ways as molecular biomarkers and cellular biomarkers.
They have a clinical role in narrowing or guiding treatment decisions and follow a sub-categorization of being either predictive, prognostic, or diagnostic.

Select the correct statement.

1&2 only

2&3 only

1&3 only

All of the above

A bio-marker, or biological marker is a measurable indicator of some biological state or condition.
Biomarkers are often measured and evaluated to examine normal biological processes, pathogenic processes, or pharmacologic responses to a therapeutic intervention.
They are categorized in 3 primary ways according to their clinical applications.Hence statement 2nd is incorrect.
They are classified as molecular biomarkers, cellular biomarkers or imaging biomarkers.
All 3 types of biomarkers have a clinical role in narrowing or guiding treatment decisions and follow a sub-categorization of being either predictive, prognostic, or diagnostic.

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