VIP Exclusive
CLT Certified Light Therapist VIP Practice Exam
CLT — The Certified Light Therapist (CLT) credential is awarded by the American Institute of Light Therapy (AILT); the examination covers photobiology, photobiomodulation, light therapy modalities, dosimetry, safety, and clinical applications across a written assessment of approximately 100 questions.
57
Questions
120m
Time Limit
75.00%
To Pass
Question 1 of 57👑 VIP
A client presents with knee osteoarthritis and asks about photobiomodulation (PBM) therapy. You are selecting between a 660 nm red device and an 850 nm near-infrared device for joint treatment. Which statement BEST explains the clinical rationale for choosing 850 nm over 660 nm for this application?
Questions 2–57 and full explanations are VIP-exclusive.