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Flashcards in Third Element of Physics Deck (21)
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1
Q

What are some general effects of ultraviolet?

A
Increased perspiration 
Potential premature ageing 
Produces tan 
Required for Vitamin D synthesis 
Increased desquamation
2
Q

What are the characteristics of erythema?

A

REDNESS OF SKIN

Dilation of blood vessels

3
Q

Physiological effect of Erythema

A

Increased supply of nutrients to the skin

4
Q

What are some general effects of infrared?

A
Erythema 
Increased perspiration 
Increased circulation 
Dilation of pores 
Muscle relaxation 
Increased absorption of product
5
Q

What are the characteristics of Tanning?

A

Skin pigmentation darkens.

6
Q

Physiological effects of tanning

A

UV rays stimulate melanocytes to produce melanin.

7
Q

What are some characteristics of desquamation?

A

Shedding of epithelial tissues

8
Q

Physiological effect of desquamation

A

Removal of dead skin cells improving appearance of skin.

9
Q

What are som characteristics of perspiration?

A

Excretion of water through the skin

10
Q

Physiological effects of perspiration

A

Evaporates and cools skin
Remove waste from skin
Temperature control

11
Q

Health and safety - UV and IR

A
Protect eyes with googles 
UV applied at 76-91cms
IR applied at 76cms
Remove contact lenses 
Remove all jewellery 
Never leave client 
Check skin reaction
12
Q

Wavelengths - radio waves?

A

Greater than 0.3m

13
Q

Wavelengths - microwaves?

A

1mm-0.3m

14
Q

Wavelengths - infrared?

A

700nanometres - 1mm

15
Q

Wavelengths - visible?

A

400nm - 700nm

16
Q

Wavelengths - Ultraviolet?

A

10-400nm

17
Q

Examples of radio waves

A

Mobiles, radars and radios.

18
Q

Examples of microwaves

A

Bluetooth, gps and microwave.

19
Q

Examples of infrared

A

Produce heat and warm skin

20
Q

Examples of visible

A

Detected by the human eye

21
Q

Examples of ultraviolet

A

Breaks down elastin and collagen

Penetrates epidermis