challenge: What is the purpose of Tinel's sign and Phalen's tests in physical therapy for carpal tunnel syndrome?
  
  A. To diagnose carpal tunnel syndrome by inducing numbness, tingling, or pain in specific fingers
  B. To assess grip and pinch strength
  C. To evaluate range of motion in the wrist
  D. To measure pain using the numeric pain rating scale (NPRS)
  Answer: 