Sunscreen and Skin Type

Which type of UV light doesn’t reach the earth’s surface in appreciable amounts due to being filtered out by the ozone layer?

Which type of UV is most associated with “sunburn”?

Tanning beds primarily emit ____.

Ultraviolet light can come from a number of sources besides sunlight (such as “arc welding”).

The SPF of sunscreens represents the exact degree of protection in all individuals and in all situations.  For example, a woman who applies a sunscreen of SPF 15 will always be able to stay outside 15x longer than she normally would without suffering a sunburn.

The SPF rating is a reflection of a sunscreen’s ability to protect against _________.

A patient asks you for a sunscreen recommendation.  She admits that she absolutely does not want to use one that might leave any sort of “film” or “whitish” appearance on her skin.  Which of the following ingredients is probably best to avoid?

Sunscreens containing Ecamsule are widely available and inexpensive.

Titanium dioxide blocks the full spectrum of UVA.

Both denim and “double-layered” clothing are excellent at blocking ultraviolet light.

Your supervising physician has recommended that a patient begin phototherapy for treatment of Psoriasis.  The patient’s skin type is needed in order to determine the appropriate treatment protocol.

When asked about how his skin normally reacts to UV exposure, the patient admits that he tans “very easily” and rarely burns.  He does in fact appear to have a light olive complexion.  Which of the following is his most likely “Fitzpatrick Skin Type”?

Sunscreen has been proven to cause skin cancer.