Fundamentals of Photobiology — MCQs

Secondary leukemias are caused by

Sun damage causes malignant transformation of the skin by:

The skin changes seen in protein energy malnutrition can be due to deficiency of all of the following nutrients except:

Which of the following is a true statement regarding the human eye?

Which of the following is not a hemoprotein?

In the electron transport chain, electrons travel from which energy state to which energy state?

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?

Psoralen plus ultraviolet A (PUVA) therapy is useful in which of the following conditions?

Psoralen is used in the treatment of: