Histologically, a pulp polyp consists of
1. a mass of collagenous fibres.
2. Russell bodies.
3. proliferating capillaries.
4. fibroblasts.
5. polymorphonuclear leucocytes.

(1) (3) (4) (5)

(1) (2) (3) (4)

(1) (3) (4)

All of the above.

(2) and (5)