What Do You Know About Acne?

Eighty percent of Americans between ages 11 and 30 have at least one outbreak of acne, making it the most common skin disease in this country, according to the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS). Test your knowledge of acne by taking this multiple-choice quiz.

Acne is a disease that affects which of these?

A. epidermisB. endodermisC. hair folliclesD. hair shaft

Which of these is the most common area for acne to occur?

A. faceB. backC. shouldersD. all of the above

Which of these factors causes acne?

A. poor hygieneB. poor dietC. dirty skinD. none of the above

Which of these factors promotes blackheads?

A. bacteriaB. chocolateC. clogged folliclesD. dirty skin

Which of these hormones stimulates acne in people between ages 11 and 14?

A. androgenB. estrogenC. endorphinD. norepinephrine

Acne can be effectively treated with which of the following?

A. topical skin cleansersB. oral antibioticsC. oral vitamin A derivativesD. all of the above

Some cosmetics and toiletries aggravate acne. What kind of cosmetic is least likely to do so?

A. noncomedogenic (or oil-free)B. lip products with moisturizersC. gel hair productsD. none of the above

How does exposure to sunlight affect acne?

A. clears skinB. increases oil productionC. makes scars less visibleD. all of the above

What percentage of adults suffers from active acne?

A. 20 percentB. 30 percentC. 40 percentD. 50 percent

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What Do You Know About Acne?