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Questions and Answers
How does UVR affect pigmentation (tanning)?
How does UVR affect pigmentation (tanning)?
- Stimulates migration of melanin from superficial layers to deep regions
- Causes depletion of melanin in the epidermis
- Prevents formation of melanin in the epidermis
- Stimulates formation of melanin in the deep region of the epidermis and migration of melanin already formed into more superficial layers (correct)
What type of UVR does the Hanovia Alpine sunlamp emit?
What type of UVR does the Hanovia Alpine sunlamp emit?
- UVA and UVB
- UVA and visible light
- UVB and visible light
- UVA, UVB, UVC and visible light (correct)
What is the primary effect of UVR on skin cells and intracellular structures?
What is the primary effect of UVR on skin cells and intracellular structures?
- Enhancement of collagen production
- Reduction in cell proliferation
- Stimulation of cell regeneration
- Damage leading to release of histamine-like substance and dilatation of capillaries (correct)
Which type of lamp emits UVA and UVB?
Which type of lamp emits UVA and UVB?
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