Which term below is best described as a vent connected at the junction of two fixture drains and serving as a vent for both fixtures?

Name: Which term below is best described as a vent connected at the junction of two fixture drains and serving as a vent for both fixtures?
Brand: Quizplus
Rating: 5.0 (43 reviews)

Question

Quizplus · Accepted Answer

A common vent serves two fixtures that are located on the same level and connects at the junction of their fixture drains, acting as a vent for both.

Which Term Below Is Best Described as a Vent Connected