Health High School

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

Answers

Answer 1

Melanin , Nerve endings,  UVB rays, leathery skin, 30, 4:00pm, Epidermis, Pigmentation, Tendonitis, Cloud cover, sunscreens, weeks are the right answers in the following fill in the blank respectively.

What are UV radiations?UV radiation is a kind of non-ionizing radiation released by the sun as well as artificial sources like tanning beds. While it has certain advantages for individuals, like as the production of Vitamin D, it may also be harmful to their health. The sun is our natural source of UV radiation.Harmful effect of UV raysUVB rays have a minor advantage over UVA rays in terms of energy.They are the principal rays that cause sunburns because they may directly damage the DNA in skin cells.They are also suspected to be the cause of the majority of skin malignancies.UVC rays have a higher energy level than other UV rays.Sunburns, skin cancer, ageing, and snow blindness (a sunburn to the cornea that causes a temporary loss of vision) are all caused by UVB rays, which can also reduce your body's capacity to fight sickness.Prevention of UV radiationShade your face, head, ears, and neck with a wide-brimmed hat. Wraparound sunglasses that prevent UVA and UVB rays are recommended. For UVA and UVB protection, use sunscreen with a sun protection factor SPF of 15 or greater i.e. 30. Indoor tanning should be avoided.

Hence, the correct options are A,B,B,B,B,C,A,D,A,B,A,C respectively.

To know more about UV rays here

https://brainly.com/question/6501011

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