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Acne: Inflammatory Skin Disorder

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Questions and Answers

What is the main characteristic of papules?

They are filled with white or yellow pus

They form small red or pink bumps on the skin (correct)

They feel firm to the touch

They develop deep within the skin

How does sebum contribute to acne development?

It can irritate follicles and cause inflammation (correct)

It helps oxygen reach the bottom of follicles

It prevents follicles from being blocked

It kills P acne bacteria

What type of bacteria is Propionibacterium acne (P acne)?

Anaerobic bacteria (correct)

Aerobic bacteria

Bacteria that thrive in the presence of oxygen

Bacteria that consume sebum

What happens when a papule ruptures?

It becomes infected and spills debris into the dermis Signup and view all the answers

Which type of pimple is typically sensitive to the touch?

Papules Signup and view all the answers

What is a characteristic feature of nodules?

They feel firm to the touch Signup and view all the answers

What is the main reason why nodules and cysts should be treated by a dermatologist?

To minimize the risk of scarring Signup and view all the answers

How are sebaceous filaments different from comedones?

Sebaceous filaments are solidified impactions of oil without cell matter, while comedones are clogged hair follicles Signup and view all the answers

Why are milia often associated with newborn babies?

Milia can develop when skin flakes become trapped near the skin's surface, which is common in newborns Signup and view all the answers

What components make up the pilosebaceous unit?

Hair shaft, sebaceous gland, and sebaceous ducts Signup and view all the answers

What common factor can cause clogged follicles according to the text?

Hyperkeratosis Signup and view all the answers

Why is it important to have a deeper understanding of the anatomy of the pilosebaceous unit?

To explain how acne develops and behaves Signup and view all the answers