Principles Of Light

Question 1

Light is a form of

Answer 1

Electromagnetic energy

Question 2

Law of reflection states that

Answer 2

Angle of incidence= the angle of reflection

Question 3

When in contact , biological tissues may be

Answer 3

Reflected, transmitted , refracted and absorbed

Question 4

Full meaning of laser

Answer 4

Light 
Amplification by the
Stimulated
Emission of
Radiation

Question 5

Function of laser

Answer 5

Penetrates the skin with no heating effect nor damage to skin and no side effect

Laser light cells directs biostimulative light energy which converts chemical energy to promote natural healing and pain relief

Optimizes immune response of blood and has anti inflammatory & immunosuppressive effects

Question 6

Physiological effects of laser

Answer 6

Wound healing
Increase Collagen production
Increase Macrophage activity
Alter Nerve conduction velocity

Question 7

Treatment techniques for laser

Answer 7

Gridding technique
Scanning technique
Wanding
Point application

Question 8

Infrared light is broken down into

Answer 8

Near infrared- or infrared A , most home therapy devices uses these wavelength

Mid infrared- or infrared B used in house hold devices like remote control

Far infrared - or irC or thermal infrared … this is the largest part of the IR spectrum used in infrared saunas

Question 9

Contradictions to light therapy

Answer 9

Preggy
Cancer
Hemorrhage
Immune suppressant drugs