UVB (ultraviolet B) and UVA (ultraviolet A) phototherapy are techniques used in cases of severe psoriasis. The nurse correctly instructs the client that which type is less hazardous?
1. Neither is hazardous
2. UVB (ultraviolet B)
3. UVA (ultraviolet A)
4. Both are the same
2
Rationale 1: UVB therapy is less hazardous than UVA therapy.
Rationale 2: UVB therapy is less hazardous than UVA therapy.
Rationale 3: UVB therapy is less hazardous than UVA therapy.
Rationale 4: UVB therapy is less hazardous than UVA therapy.
Global Rationale: UVB therapy is less hazardous than UVA therapy. The other answer choices are not appropriate.
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