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?

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: