Radiation

Question 1

Name two spectrums?

Answer 1

Acoustic and Electromagnetic

Question 2

shortwave and microwave diathermy, infrared, ultra violet and low power lasers are examples of what energy?

Answer 2

Electromagnetic energy

Question 3

Name two thermal energys?

Answer 3

Cyrotherapy and thermotherapy

Question 4

E-stim, biofeedback and iontophoresis are examples of what energy?

Answer 4

Electrical

Question 5

Are electrical and thermal energys still producing electromagnetic energy?

Answer 5

Yes

Question 6

Name two forms of sound(acoustic) energy?

Answer 6

Ultra sound and extracorporeal shockwave therapy

Question 7

What is mechanical energy?

Answer 7

Intermittent compression, massage and traction

Question 8

Ultra violet, infrared and visible light are produced by?

Answer 8

Heat

Question 9

As Temperature increases what happens to electron activity?

Answer 9

it increases

Question 10

As temperature increase what happens to the vibrations of molecules?

Answer 10

It increase

Question 11

How fast does electromagnetic energy travel?

Answer 11

300 million meters per second

Question 12

What is the definition of wavelength?

Answer 12

distance between one wave’s peak and the peak of the preceeding or succeeding wave

Question 13

Longer wavelengths have smaller or larger frequencies?

Answer 13

smaller

Question 14

Smaller wavelengths have smaller or larger frequencies?

Answer 14

Larger

Question 15

What does the Ardnt-Schultz principle say?

Answer 15

No reactions or changes can occur in the body tissues if the amount of energy absorbed is insufficient to stimulate the absorbing tissues

Question 16

What is the law of Grotthus-Draper?

Answer 16

as energy passes through it’s absorbed and losses it’s ability to penetrate

Question 17

What property of tissues determines how much energy is refracted or absorbed?

Answer 17

Density

Question 18

What is the cosine law?

Answer 18

closer to 90 degrees the more energy is absorbed

Question 19

Order the following in terms of wavelength from longest to shortest: Diathermy, electrical stimulation, ultra violet and infrared

Answer 19

E-stim, diamthermy, infrared and ultra violet

Question 20

true or false: longer wavelengths have deeper pentration?

Answer 20

True

Question 21

Does heat or Ice have a greater ability to penetrate?

Answer 21

Ice-longer wavelength