Ultraviolet ________ rays may damage the DNA or genetic material within skin cells. It is also known to be responsible for most skin cancers.

The main damaging effect of UV radiation on DNA is:Select one:a. Dehydrationb. Depurinationc. Formation of thymine dimersd. Single-stranded breaks

Ultraviolet radiation from sunlight can induce DNA damage causing irreversible cell injury.The most likely mechanism of injury is:Select one:a. Decreased ATP productionb. Release of lysosomal enzymesc. Increased cytologic calciumd. Activation of cytochrome cClear my choice

Outline the three different types of UV radiation and clarify why UVC radiation from the Sun does not damage our skin.

There is a general scientific consensus that excessive exposure to UV radiation increases the likelihood of skin cancers. Australia has one of the highest skin cancer rates in the world. In order to help reduce the incidence of skin cancer many organizations including the cancer council have communicated the need to use sunscreen. The communication includes information about the sunscreen reapplication frequency and UV exposure at different times of the day. This is an example of:Group of answer choicesTechnical communicationConsensus communicationCrisis communicationCare communication

The form of radiation that can cause skin damage and eye damage isa. infraredb. visible lightc. ultravioletd. radio waves