Phototoxicity and Photoallergy — MCQs

A 26-year-old pregnant woman presents with arthritis and a malar rash that worsens with sun exposure. She has a low-grade fever and is admitted to the hospital. What is the likely diagnosis?

A child with history of fever, photosensitivity, rash sparing nasolabial fold presents to OP. Identify the condition?

Lady presents with joint pain in both knees and low-grade fever, which occurs intermittently. On examination, she has a rash on sun-exposed areas. What is the clinical diagnosis?

Which of the following is NOT a complication of PUVA therapy?

A 12-year-old boy, after spending his holiday on a beach, develops pruritic hemorrhagic vesicles on his cheeks, ears, nose, and hands 12 hours after sun exposure. A week later, the lesions crusted and healed with permanent scars. What is the most probable diagnosis?

Skin cancers develop due to sun light exposure induced by which type of ultraviolet rays?

Histologic sections of skin from an area of sunburn would most likely reveal:

What is the range of light that causes maximum skin damage?

Circulating lymphocytes are most sensitive to which type of ultraviolet radiation?

A patient presents with skin bullae on sun exposure. What is the underlying defect?