lecture 5 Flashcards
light
What is the name of the particle of light?
Photon
What is the wavelength range of visible light?
400(blue)-800(red) nanometers
Which wavelength leads to tanning (increased production of melanin) of the skin?
UVB
Where is melatonin produced?
pineal gland
What is an MED?
Minimal erythemal dose
What are the two types of lasers used in tissue healing?
Low-Level Laser Therapy (LLLT) and Cold Laser Therapy
What color is the HeNe (632.8 nm) laser?
red
The MedX laser (808 nm) we used in lab is in which electromagnetic (light) zone?
Infrared laser
What is one proposed benefit of laser?
Increase collagen production and increase blood flow
Lasers deliver energy which is measured in _________/cm2
joules per square centimeter (J/cm²)
Our laser is what classification?
Class 3b (cold Laser)
What classification are the new HILT lasers?
Class 4
The photons in our laser (LLLT) are absorbed in this organelle?
Mitochondria
These proteins are produced in response to significant heat production and are known as “chaperone proteins”
Heat shock proteins (HSP)
Many saunas that are used today generate heat from this part of the electromagnetic spectrum?
Far-infrared
What is the frequency range of ELF?
3-30 hertz (Hz)
For any electromagnetic device (Laser, PEMF, UV light) to have an effect a _____ (particle of light) must be absorbed.
photon
Which part of the EM spectrum forms the dividing line between ionizing and non-ionizing radiation?
Ultraviolet C
What does SAD stand for
Seasonal Affective Disorder