Short and Brief Volunteering Activities

Can short and brief volunteering episodes (something like 4-8 hrs for one day each year/few months) count towards volunteering hours when it comes around to applying? I am confused as to how they contribute and how they would be listed on an application, especially since they are usually not associated with any clubs. I have other long term volunteering activities, but a lot of my time is spent on random little volunteering opportunities and want to know that I am not mismanaging my time in... Short and Brief Volunteering Activities
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Source Type: forums