Sunburn Lecture

Question 1

what are the 2 types of sunscreens used?

Answer 1

Organic, Mineral

Organic takes heat and converts it to a negligible level

Question 2

Organic

Answer 2

Aromatic –> cinnaminate–> Octinoxate is for UVB

Oxy-benzone is for UVA

Question 3

Inorganic

Answer 3

Zinc oxide and titanium dioxide

Question 4

What is broad spectrum?

Answer 4

Broad spectrum is meroxyl (UVA and UVB) . Mineral sunscreen are UVA2, UVB , UVA1

Question 5

What does SPF mean?

Answer 5

It is basically the difference in the minimal dose of solar radiation required to produce erythema compared to unprotected skin.

Question 6

SPF does’t measure — adequately

Answer 6

SPA

Question 7

What is water resistant

Answer 7

when the SPF is the same after 40-80 minutes in the water

Question 8

What is the amount of sunscreen dose needed?

Answer 8

1 teaspoon for the face, 2 for the back and torso, 1 teaspoon to each 1 for arm, 2 for each leg

15-30 minutes from sun exposure, repapply every 2 hours

Question 9

Oxybenzone is the most common cause of

Answer 9

photoallergic contact dermatitis

Question 10

What does sun screen help with?

Answer 10

photoaging, skin cancer, photodermatoses.