3.She is tender to percussion and palpation over the right lower quadrant.
over is the preposition, is to also a preposition in this sentence
Yes.
The prepositional phrase is "to percussion and palpitation".
Yes, "over" is a preposition in the sentence as it is expressing the relationship between the action of percussion and palpation and the right lower quadrant. It indicates that the tenderness is present on or above the right lower quadrant.
Regarding the word "to," it is not a preposition in this context. In this sentence, "to" is actually part of the phrase "tender to percussion and palpation." This phrase describes the specific type of tenderness that is being observed. The word "to" serves as a preposition within that phrase, indicating the action of the tenderness being directed towards percussion and palpation.