What Do You Know About Acne?

Nearly 17 million Americans have 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/toiletries aggravate acne. What kind of cosmetics 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 people ages 12 to 24 suffers from acne?

A. 85 percentB. 100 percentC. 75 percentD. 50 percent

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What Do You Know About Acne?