Not sure that a triangular prism dose anything since a "dose" is a measured portion of a medicine.
However, a triangular prism does have two bases.
None. By definition, a triangular prism has triangular bases. If it had circular bases it would be a circular prism (cylinder).
It depends on what kind of prism you mean. For example, a rectangular prism has 6 bases and a triangular prism has 5 bases. A triangular prism only has two bases.
A triangular prism has 2 bases on it!
It has 5 bases
A triangular prism has 9 edges, 5 faces and 6 vertices
Bases and faces are the same, so a triangular prism will have 6 faces/bases.
4...... thousand bases
A triangular prism has 5 faces, 9 edges and 6 vertices