Ultraviolet

Question 1

Electromagnetic radiation with wavelengths between that of visible light and x-rays.

Answer 1

uv radiation

Question 2

uv is a modality that emits blank radiation

Answer 2

electromagnetic

Question 3

uv wavelength range

Answer 3

400-290 nm

Question 4

uv therapy that penetrates into hypodermis to induce photochemical reaction, photochemotherapy agent

Answer 4

puva

Question 5

uv therapy that is a phototherapy agent, uses a longer wavelength, and is able to be delivered in larger doses than PUVA

Answer 5

uva1

Question 6

uv lamp that emits full spectrum of uvb

Answer 6

broadband uvb

Question 7

uv lamp that emits small amount of uvb spectrum

Answer 7

narrowband uvb

Question 8

wavelength of broadband uvb

Answer 8

290-320

Question 9

wavelength of narrowband uvb

Answer 9

309-311

Question 10

uvb uses blank effect and penetrates blank

Answer 10

phototherapy, dermis

Question 11

uvc spectrum

Answer 11

100-290

Question 12

uvc penetrates blank and has a blank effect on wounds

Answer 12

epidermis, photogermicidal

Question 13

uva and uvb are blank wave and blank unlike uvc

Answer 13

longer, nonionizing

Question 14

skin reddening due to dilatation of cutaneous blood vessels

Answer 14

erythema

Question 15

there is a minimal blank dose in uvb

Answer 15

erythemal

Question 16

there is a minimal blank dose in puva

Answer 16

phototoxic

Question 17

erythemal response is blank in uvc

Answer 17

absent

Question 18

blank and blank have a higher risk of cancer than blank

Answer 18

puva, bbuvb, nbuvb

Question 19

uvr generators are blank lamps and produce mostly blank

Answer 19

mercury, uvb

Question 20

uvr generators are mainly used to produce blank and blank reactions

Answer 20

erythema, photochemical

Question 21

253.7 nm uvr generators are highly blank

Answer 21

germicidal

Question 22

uvr generators do not require blank time

Answer 22

warm up/cool down

Question 23

uvr has a delayed effect of blank

Answer 23

1 hour

Question 24

uvr effects on normal skin

Answer 24

erythema, epidermal hyperplasia (thickening), desquamation of epidermal tissue, pigmentation production, bacteria destruction, vitamin d synthesis,

Question 25

uvr can mess with blank of cells

Answer 25

dna/rna

Question 26

delayed tanning is apparent blank hours after exposure

Answer 26

72

Question 27

blank type of uvr causes formation of vitamin d

Answer 27

uvb

Question 28

these cells create more antibodies in presence of bacteria due to uvr

Answer 28

reticuloendothelial

Question 29

contraindications to uvr

Answer 29

skin cancer, over eyes, tb, diabetes, photosensitivity

Question 30

The exposure time of UVR needed to produce a faint erythema of the skin 1-6 hrs after exposure & disappears within 24 hrs.

Answer 30

minimal erythemal dose

Question 31

No change in skin redness in 24 hrs

Answer 31

suberythemal dose

Question 32

Smallest dose that produced erythema within 8 hrs that disappears w/in 24 hrs

Answer 32

med

Question 33

Redness w/ mild desquamation w/in 6 hrs that lasts 1-3 days. (generally 2 1/2 times MED)

Answer 33

first degree erythema

Question 34

Intense erythema w/ edema, peeling and pigmentation appears w/in 2 hrs. Like severe sunburn. (5 times MED)

Answer 34

second degree

Question 35

Erythema w/ severe blistering, peeling and exudation. (10 times MED)

Answer 35

third degree