How UV Causes Cancer and Aging

What type of bonds does UV light facilitate in DNA that can lead to skin cancer?

• Covalent bonds

• Metallic bonds

• Hydrogen bonds

• Ionic bonds

How does UV light affect the immune system?

• It only affects the immune system in children

• It suppresses the immune system

• It strengthens the immune response

• It has no effect on the immune system

What is the term used to describe the visible aging caused by UV light?

• Thermoaging

• Bioaging

• Photoaging

• Chronoaging

Which type of UV light is not completely blocked by car glass?

• All UV light is blocked

• UVB

• UVC

• UVA

What is the most effective way to prevent skin cancer and photoaging?

• Wearing hats

• Using anti-aging creams

• Staying indoors

• Applying sunscreen