Exclusions will also be scanned but no actions will be taken.
download this test file to an excluded folder and run a scan if SEP does not detects then that folder is excluded
http://www.symantec.com/security_response/attacksignatures/detail.jsp?asid=24461
You can actually get a list of files scanned using VPdebug however I could find the same for Autoprotect, its just real time on the console and it does not log it anywhere
https://support.symantec.com/en_US/article.TECH102939.html