UV Light

Question 1

Short term consequences of UV light

Answer 1

sunburn

Question 2

Long term consequences of UV light

Answer 2

cancer (melanoma, basil cell cancer, carcinoma, squamous cell cancer)

Question 3

What percentage of UVA makes up UV light?

Answer 3

90%

Question 4

Wavelength of UVA

Answer 4

320-440 nm

Question 5

How does UVA affect our body?

Answer 5

Penetrates to deep cutaneous tissue causing DNA damage

Question 6

Wavelength of UVB

Answer 6

290-320 nm

Question 7

What light is the primary cause of sunburn?

Answer 7

UVB

Question 8

Wavelength of UVC

Answer 8

200-290 nm

Question 9

What is UVC blocked by?

Answer 9

ozone

Question 10

What causes sunburn?

Answer 10

Direct radiation from UV

Question 11

Symptoms of sunburn

Answer 11

vasoconstriction (causing erythema, edema, and blisters)

Question 12

How long does it take for initial symptoms to show up?

Answer 12

3-5 hours after exposure, symptoms peak at 24 hours

Question 13

Treatment for sunburn

Answer 13

moisturizers, pain killers

Question 14

Prevention for sunburn

Answer 14

sunscreen, low sun exposure, practice/games at different times of the day

Question 15

What can increase the risk of getting skin cancer (basil cell cancer, melanoma)

Answer 15

frequent severe sunburns

Question 16

What can increase the risk of getting squamous cell cancer?

Answer 16

prolonged exposure to larger levels of UV