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Physics assessment > 3rd Element > Flashcards

3rd Element Flashcards

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1
Q

General effects of ultraviolet

6

A 
Produces tan
Causes perspiration 
Increased desquamation
Potential premature ageing 
Required for vitamin d synthesis
Therapeutic effect on psoriasis and eczema
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2
Q

Characteristics of erythema?

A

Redness of the skin, dilation of blood vessels.

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3
Q

Physiological effects of erythema.

A

Increased supply of nutrients to the skin.

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4
Q

Characteristics of tanning?

A

Skin pigmentation darkens

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5
Q

Physiological effects of tanning

A

Uv rays stimulate melanocytes to produce melanin.

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6
Q

Characteristics of desquamation?

A

Shedding of epithelial tissue.

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7
Q

Physiological effects of desquamation?

A

Improves skin colour and texture.

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8
Q

Characteristics of perspiration?

A

Excretion of water through the pores of the skin.

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9
Q

Physiological effects of perspiration?

A

Removes waste and cools us down.

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10
Q

Health and safety for using uv and ir?

9

A 
Protect eyes with goggles. 
Uv applied at correct distance 76-91cm
Ir distance is 76cm
Use lamp for specified time. 
Remove contact lenses
Remove jewellery 
Never leave client. 
Familiarise yourself with the equipment. 
Check for skin reactions.
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11
Q

Wavelengths of electromagnetic spectrum. From highest to lowest

A 
Radio waves
Microwaves
Infrared
Visible
Ultraviolet
X-ray
Gamma rays
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12
Q

Wavelength of radio waves?

A

> 0.3metres

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13
Q

Wavelength of microwaves?

A

1mm-0.3m

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14
Q

Wavelengths of infrared?

A

700 nanometers - 1mm

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15
Q

Wavelength of visible?

A

400-700 nanometers

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16
Q

Wavelengths of ultraviolet?

A

10-400 nanometers

17
Q

Wavelengths of X-ray?

A

-0.01-10 nanometers

18
Q

Wavelengths of gamma rays?

A
19
Q

General effects of infrared?

6

A 
Erythema
Increased circulation 
Dilation of pores
Muscle relaxation 
Pre heat tissues
Increased absorption of products

Physics assessment (2 decks)

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