Which organ system or body area is documented in this selection: "Patient does have a dark, category 3 contusion along entire URQ, and patient expresses significant pain upon any palpation . .

Entire abdomen tense with no rebound, patient holding breath against pain. Patient expressed nausea upon palpation and vomited immediately after abdominal exam"? a. Genitalia, groin, buttocks
b. Psychiatric
c. Gastrointestinal
d. Constitutional

c) Gastrointestinal