Some embodiments include oral airway assemblies that can include a body having an opening extending from a first end of the body to a second end of the body with the body having upper and lower portions in one cross section. A flange can be included that extends from the first end of the body and outwardly from the opening. An upper member extending from the upper portion of the second end of the body and outwardly from the opening away from the lower portion can be provided. The assemblies can include a lower member slidably engaged with the body, with at least a portion of the lower member extending outwardly from the lower portion of the second end of the body and away from the upper portion when engaged with the body. In accordance with other embodiments a member can be provided to slidably engage with the body, and include a tab at one end, with the tab being pivotably coupled to the member.