I have the following xml -
You can use the local-name()
function to the get name of the XML node - try something like this:
DECLARE @input XML = '...your xml here.....'
SELECT
NodeName = C.value('local-name(.)', 'varchar(50)'),
NodeValue = C.value('(.)[1]', 'varchar(50)')
FROM @input.nodes('/Surveys/Svy/*') AS T(C)
This should give you an output something like: