When more than one hormone produces the same effiect on the target cell and their effects are amplified, the effect is said so be:
a. permissive
b. synergistic
c. antagonistic
d. phosphorylative
e. humoral

The answer is B synergistic

Explanation:

A synergistic effect is when there is a superior response by stimulating a cell with two hormones, than by using them individually to produce the same effect.

explanation:

for example, code 28039 - excision, tumor, soft tissue of foot or toe, subcutaneous, 1.5 cm or greater, appears before 28043 - excision, tumor, soft tissue of foot or toe, subcutaneous; less than 1.5 cm.