1-IRR has ........ effect in contrast to the ......... effect of UV
Thermal / chemical
2-Define UVR
Electromagnetic radiation with wavelength between visible light and x-rays in the electromagnetic spectrum
3-UVR IS subdivided into 3 groups according to wavelength which are........... and their wavelengths And other names are
*UVA : 400-315 nm -> long uv - fluorescence
*UVB: 315-280 nm ->medium uv - erythemal uv
*UVC:280-100nm->short uv -germicidal uv
4-The common used lamps are ....... snd their commercial names are ....
1-fluorescent tubes ( theraktin lamp) ( A, B)
2-air cooled arc lamp ( hanovia alpine sun lamp) (A BC and visible light)
3-water cooled lamps ( kromayer lamp) ( A,B)
5-All the UVR will be absorbed by the cells in the ............ and .........
Epidermis and superficial dermis
6-the effects produced by the absorption of UVR aRe primarily.............. although some systemic effects occur if ...........................
Local / larger areas are treated with high doses
7- what are the local effects of UVR?
1-erythema
2-pigmentation
3-growth Of epithelial cells
4- desquamation
5- antibiotic effect
8-What are the general effects of UVR
1- formation of vit d
2- the esophylactic effect
3- variation in response
4- natural protection against uvr
5- ageing
6- immune suppressive effect
7- effect on eyes
????? ????? ??? ??? ?? ?????
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9-The first observable effect of UVR is .......
Erythema
10-The erythema reaction has been used to classify .................given to the patient
Doses of UVR
11-describe in a table the degree of erythema
Page44
12-pigmentation develops within......... days of irradiation.
2
13-GR: melanin forms as umbrella over the nucleus of the cell ?
To protect it from UVR as pigmentation reduces the penetration-of UVR
14-............................ occurs as a result of repairing process following erythema
Thickening of the epidermis
15-the extent of the desquamation is proportional to ..............
Intensity of erythema
16-compare between erythema of IRR AND UVR
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17-Contraindications of UVR
Page 47
18-indications Of UVR =Therapeutic effect
Page 161
19-what are the dangers of UVR
1-shock
2-damage To the eyes
3-overdoses
4-photo sensitization
Case study
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