Chapter 17 Flashcards
Comparison of cutaneous responses to UVA and UVB:
UVA or UVB
Immediate erythema
UVA
Comparison of cutaneous responses to UVA and UVB:
UVA or UVB
Immunosuppression
UVA and UVB
Comparison of cutaneous responses to UVA and UVB:
UVA or UVB
100x more erythemogenic
UVB
Comparison of cutaneous responses to UVA and UVB:
UVA or UVB
Ass with sunburn
UVB
Comparison of cutaneous responses to UVA and UVB:
UVA or UVB
Role in vitamin D production
UVB
Comparison of cutaneous responses to UVA and UVB:
UVA or UVB
Not ass with Vitamin D production
UVA
Comparison of cutaneous responses to UVA and UVB:
UVA or UVB
CENTRAL role in photoaging
UVA
photo “A” ging
Comparison of cutaneous responses to UVA and UVB:
UVA or UVB
Role in photoaging
UVB
Comparison of cutaneous responses to UVA and UVB:
UVA or UVB
Major role in carcinogenesis
UVB
Comparison of cutaneous responses to UVA and UVB:
UVA or UVB
Major role in drug induced photosensitivity
UVA
Also “contributes” to carcinogenesis
Comparison of cutaneous responses to UVA and UVB:
UVA or UVB
Delayed melanogenesis (peaks at 3d)
UVB
Comparison of cutaneous responses to UVA and UVB:
UVA or UVB
Immediate pigment darkening (within 20mins after UVR exposure)
UVA
“Agad agad”
Comparison of cutaneous responses to UVA and UVB:
UVA or UVB
Penetrates down to the “deep dermis”
UVA
Comparison of cutaneous responses to UVA and UVB:
UVA or UVB
Penetrates no deeper than the “upper dermis”
UVB
Comparison of cutaneous responses to UVA and UVB:
UVA or UVB
Penetrates window glass
UVA
Comparison of cutaneous responses to UVA and UVB:
UVA or UVB
Does not penetrate window glass
UVB