Foundations of Chiropractic (FOC) Exam 2 Practice 2026 – Your Complete Guide to Exam Success!

Unexplained weight loss signals a possible systemic illness such as cancer or an infection that can present with back pain. When there’s unintended loss of weight, it suggests something beyond a simple mechanical strain, and it prompts further evaluation—history, exam, and often labs or imaging—to look for malignancy, infection, or other systemic diseases. In contrast, back pain that is reproducible with palpation usually reflects local tissue tenderness or strain, pain that improves with movement aligns with mechanical causes, and a normal exam with no red flags makes a systemic process less likely. So the presence of unexplained weight loss is the finding that most strongly indicates a systemic problem needing additional workup.