Answer:
Boundary Ambiguity
Step-by-step explanation:
Boundary ambiguity is defined as the family not having clarity who is in and who is out of the system. The family may perceive a physically absent member as psychologically present or a physically present member as psychologically absent. In either case, the family boundary is ambiguous.
In the case of Pat being unsure if other family members will approve his bring Terry for thanksgiving dinner is a case of the family boundary being ambiguous