Activity Monitor Problems in SQL Server 2005

Question

I am looking at the Activty Monitor for SQL Server 2005 and we have some processes that are taking up large amounts of the CPU. When I look at what is trying to be run I get:

Answer 1

This is the default transaction isolation level for ADO.NET and most OR/M frameworks. Chances are this is in fact coming for your code, you just don't know it.

I think this is the wrong question to ask anyways - the real question is, why is this rather common TSQL instruction causing your database CPU to spike?