Anatomy & Physiology for Laser Therapy 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 Anatomy & Physiology for Laser Therapy flashcards as text
Which layer of the skin contains the fibroblasts primarily responsible for collagen synthesis targeted in laser therapy?
Answer: Dermis
The dermis contains fibroblasts that produce collagen and elastin, making it the primary target for laser-stimulated tissue remodeling.
What is the primary chromophore in melanin-targeting laser treatments?
Answer: Eumelanin
Eumelanin is the dominant brown-black pigment that selectively absorbs laser energy in pigment-targeting treatments.
Which nerve fiber type is most involved in transmitting the pain signals that low-level laser therapy aims to modulate?
Answer: C fibers
C fibers are unmyelinated slow-conducting fibers that transmit chronic pain and are a key target for photobiomodulation analgesic effects.
The Langerhans cells found in the epidermis primarily serve what function relevant to laser treatments?
Answer: Immune surveillance and antigen presentation
Langerhans cells are dendritic immune cells in the epidermis that help modulate the inflammatory response triggered by laser energy.
Which anatomical structure in a hair follicle is responsible for hair regeneration and is a consideration in laser hair removal?
Answer: Bulge region
The bulge region contains hair follicle stem cells responsible for regeneration, and effective laser hair removal must damage this area to prevent regrowth.
In the context of laser therapy, what does the term 'optical window' of tissue refer to?
Answer: The wavelength range (600–1100 nm) where tissue absorption is low enough for deep penetration
The optical window (600–1100 nm) is the spectral range where both melanin and water absorption are relatively low, allowing laser light to penetrate deeper tissues.
Which type of sweat gland is most relevant to understanding laser treatment near axillary regions?
Answer: Apocrine glands
Apocrine sweat glands in the axillary region are associated with hair follicles and can be affected during laser hair removal or skin treatments in that area.