1. The amount you tan or burn while in the sun depends on the amount of in your skin. A. melanin B. blood vessels C. fat D. hair follicles

2. in your skin helps you feel sensations.

A. Sweat glands B. Nerve endings C. Fat D. Connective tissue

3. Sunburns and skin cancer are attributed to radiation exposure.

A. UVA B. UVB C. UVC D. UVA and UVC

4. A condition that is not caused by exposure to UV radiation is .

A. wrinkles B. leathery skin C. acne D. brown age spots

5. Doctors recommend using sunscreen with an SPF of at least on a daily basis.

A. 15 B. 30 C. 45 D. 60

6. The sun’s rays are strongest between 10:00 AM and .

A. 1:00 PM B. 2:00 PM C. 4:00 PM D. 5:00 PM

7. When exposed to sunlight, the thickens to block out UV rays.

A. epidermis B. sweat gland C. dermis D. subcutaneous tissue

8. The amount of sunburn a person gets depends on his or her and ability to produce melanin.

A. weight B. height C. vision D. pigmentation

9. People with severe sunburn can experience each of the following symptoms except .

A. tendonitis B. fever C. chills D. weakness

10. is effective in filtering out the sun’s harmful rays.

A. Snow B. Cloud cover C. Clothing D. Water

11. Thick ointments with zinc oxide that help block sunlight from the skin are called .

A. sunscreens B. sunblocks C. moisturizers D. chemical peels

12. After sunburned skin peels, the new thin and sensitive skin that appears must be protected from the sun for several .

A. hours B. days C. weeks D. months