Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

eohs > UV > Flashcards

UV Flashcards

1
Q

320-400 nm; longest wavelength, less energetic

A

UVA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

290-320 nm; Medium wavelength, more energetic

A

UVB

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

<290 nm; shortest wavelength, most energetic

A

UVC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Primary Source of UV

A

Sun

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Natural Sources of UV Rad

A

Sun, Lightning

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Artificial Sources of UV

A

Tanning beds, welding torches, UV lamps, some types of lasers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

2 Effect of UV rad on envi

A

ozone layer depletion
effect on phytoplankton

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

6 UV rad intensity factors

A

time of day, season of the year, latitude, altitude, cloud cover, reflection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

UV levels higher between what time of day

A

10am-4pm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

3 parts of the eye affected by UV radiation

A

cornea, lens, retina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

2 Acute effects of UV to the eyes

A

photokeratitis, photoconjunctivitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

chronic effects of UV radiation

A

cataracts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

chronic effect of UVB exp

A

macular degeneration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

chronic effect of UVA & UVB exposure

A

pterygium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

sunburn of the cornea and conjunctiva

A

photokeratitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

inflammation of conjunctiva

A

photoconjunctivitis

17
Q

clouding of lens

A

cataracts

18
Q

damage to retina; central vision loss

A

macular degeneration

19
Q

growth on the sclera that can affect vision if it grows over the cornea

A

pterygium

20
Q

measure the strength of UV

A

UV index

21
Q

range of UV index

A

0-11+

22
Q

indicates risk level for sunburn and eye damage

A

UV Index

23
Q

you can safely stay outside

A

1-2 low

24
Q

seek shade during midday hours

uv index

A

3-7, moderate to high

25
Q

avoid being outside during midday hours

A

8-11, very high to extreme

26
Q

spf

A

sun protection factor

27
Q

measure of protection against UVB rays

A

spf

28
Q

blocks ~97% UVB

spf

A

spf 30

29
Q

blocks ~98% UVB rays

spf

A

spf 50

30
Q

upf

A

ultraviolet protection factor

31
Q

rating system for clothing

A

upf

32
Q

blocks more than 98% of UV radiation in clothing

upf

A

upf 50+

33
Q

look for ___ UVA and UVB protection in sunglasses

A

99-100%

34
Q

protects both eyes and skin around eyes

A

sun glasses

35
Q

provides nearly 100% protection against UVA and UVB rays

A

UV400 protection

36
Q

blocks wavelengths up to 400 nm

A

UV400 protection

36
Q

3 factors influencing choice of protection

UV protection

A

UV index level
duration of sun exposure
individual factors

eohs (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions