Which tissues readily absorb and conduct thermal energy due to their high water content?
Anonymous Quiz
15%
Bone and fat
9%
Skin and hair
68%
Blood and muscle
8%
Cartilage and tendons
How does electrotherapy stimulate physiochemical changes?
Anonymous Quiz
15%
By reducing body temperature
78%
By introducing heat into deep tissues
4%
By increasing muscle mass
3%
By reducing heart rate
When electrotherapy used to stimulate muscle contraction?
Anonymous Quiz
11%
During exercise for healthy individuals
2%
For improving skin complexion
88%
During rehabilitation to prevent muscle atrophy
0%
As a weight-loss technique
Which type of wave has the smallest wavelengths and highest frequencies?
Anonymous Quiz
20%
X-rays
9%
Visible light
55%
Gamma rays
15%
Radio waves
Which type of radiation lies between X-rays and visible light in the electromagnetic spectrum?
Anonymous Quiz
5%
Gamma rays
29%
Infrared radiation
65%
Ultraviolet (UV) radiation
2%
Radio waves
Which type of wave is referred to as thermal radiation?
Anonymous Quiz
4%
X-rays
92%
Infrared radiation
3%
Gamma rays
1%
Radio waves
How does the duration of heat application affect physiological changes?
Anonymous Quiz
3%
Longer duration has no effect
18%
Shorter duration causes more changes
73%
Longer duration causes more changes
6%
Duration does not matter
What happens when heat is applied for too long?
Anonymous Quiz
1%
No effect
10%
The effect increases
6%
The effect decreases
83%
The effect becomes harmful and causes burns
Which of the following varies in power from 250 to 1500 watts depending on the type of generator?
Anonymous Quiz
18%
Thermotherapy devices
48%
Infrared generators
20%
Ultrasonic devices
14%
Electrical stimulators
What is the characteristic of non-luminous infrared generators?
Anonymous Quiz
8%
They emit visible red light
73%
They do not shine, they produce only heat
15%
They produce high-frequency waves
5%
They generate ultrasonic vibratio
What factor affects the angle of incidence of infrared rays?
Anonymous Quiz
56%
The distance from the light source
6%
The duration of exposure
24%
Skin type
15%
The temperature of the environment
What is evident from the use of infrared rays?
Anonymous Quiz
12%
Decreased skin elasticity
7%
Blood clotting
16%
Hypopigmentation
64%
Redness of the skin
What is the physiological effect of prolonged heating by infrared radiation?
Anonymous Quiz
18%
Hardening of the skin
64%
Sweating and eventually cooling
9%
Increased bone density
9%
Loss of muscle mass
❤1
What is the typical wavelength range of near-infrared radiation used in therapy?
Anonymous Quiz
15%
200-400 nm
22%
400-700 nm
60%
700-1100 nm
3%
1000-1400 nm
Which type of infrared generator emits visible red light?
Anonymous Quiz
13%
Non-luminous
11%
Fluorescent
72%
Luminous
4%
Ultraviolet
Which conditions are not contraindications to infrared therapy and are beneficial for it?
Anonymous Quiz
5%
Poor skin sensation
15%
Open wounds
10%
Photosensitivity
70%
Chronic pain and inflammation
Which type of heat transfer does not involve infrared radiation?
Anonymous Quiz
28%
Conduction
11%
Convection
21%
Radiation
40%
Evaporation
❤1
What safety precautions should be taken when using infrared therapy?
Anonymous Quiz
4%
Apply it directly to the eyes
1%
Use it for long periods without interruption
90%
Maintain a safe distance from the infrared source
4%
Use it on wet skin
In case the patient has hypersensitivity, what do we do about the angle of incidence of the rays?
Anonymous Quiz
51%
Increase
49%
Decrease
Which type of infrared radiation is absorbed more superficially and has a short wavelength?
Anonymous Quiz
65%
Near Infrared
8%
Mid Infrared
27%
Far Infrared