Practice Test Geeks(CLT) Certified Laser Therapist Practice Test
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Therapeutic Laser Applications Flashcards

7 cards from real CLT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Therapeutic Laser Applications flashcards as text

  1. Which laser classification poses the highest risk of ocular injury during therapeutic use?

    Answer: Class 3B

    Class 3B lasers can cause immediate eye injury from direct or specularly reflected beams and require protective eyewear during use.

  2. A therapist is treating trigger points in the upper trapezius. What technique best targets a discrete myofascial trigger point?

    Answer: Stationary contact probe directly on the trigger point

    A stationary contact probe placed directly on the trigger point allows concentrated energy delivery to the focal point of dysfunction.

  3. How does therapeutic laser reduce pain through neurological mechanisms?

    Answer: By decreasing nerve conduction velocity and altering neuropeptide release

    Photobiomodulation decreases nerve conduction velocity in small-diameter pain fibers and modulates release of substance P and other neuropeptides.

  4. When calculating treatment time, a therapist knows the device outputs 500 mW and the target fluence is 4 J/cm² over 10 cm². What is the required treatment time?

    Answer: 80 seconds

    Total energy needed = 4 J/cm² × 10 cm² = 40 J; time = 40 J ÷ 0.5 W = 80 seconds.

  5. Which condition has the strongest evidence base for therapeutic laser efficacy according to current research?

    Answer: Neck pain and musculoskeletal disorders

    Neck pain and musculoskeletal conditions have the most robust clinical evidence supporting therapeutic laser effectiveness.

  6. What is the significance of the 'inverse square law' in laser therapy practice?

    Answer: Doubling the distance from tissue reduces irradiance to one-quarter

    The inverse square law states that irradiance decreases proportionally to the square of the distance, so doubling distance reduces intensity to 25%.

  7. Which photobiomodulation effect best explains accelerated wound closure after laser treatment?

    Answer: Stimulation of fibroblast proliferation and collagen synthesis

    Laser stimulates fibroblasts to proliferate and synthesize collagen, which is essential for wound matrix formation and closure.