INSTRUCTIONS Skin of color: A basic outline of unique differences
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Skin of color: A basic outline of unique differences
General Purpose: The purpose of this learning activity is to provide information about the differences in the physiology, pathophysiology, and presentation of skin diseases in individuals of different races. Learning Objectives: After reading this article and taking this test you should be able to: 1. Describe the differences of skin characteristics, physiology, and pathophysiology between the races. 2. Illustrate the differences between the races in presentation and treatment of specific skin conditions.
- Which is true about the differences in skin among various races?
- UV radiation causes a higher melanocyte response in Asians and Hispanics than Whites.
- Darkly pigmented skin is basically skin with a deeper shade than white skin.
- There are more melanocytes in darkly pigmented skin than in white skin.
- White individuals have a more elevated response to triggers that produce melanin.
- Physiologically, melanin
- results in shades of yellow or red, known as eumelanin.
- results in shades of brown to black, known as pheomelanin.
- is produced by keratinocytes triggered by UV light.
- is the pigment most responsible for the color of the skin.
- Which race has the most melanocytes?
- All races have the same amount.
- Differences between white and black skin include:
- black skin has a thick, compact dermis with prominent and numerous fiber fragments.
- black skin tends to be less prone to hypopigmentation than white skin.
- the DEJ length is three times higher in Whites than Blacks.
- white skin has very compact bundles of collagen.
- Which statement about dyschromia is true?
- It involves a complete destruction of melanocytes and will resolve in 12 to 24 months.
- Currently, it is always a permanent irreversible condition despite removal of primary cause.
- It is a collagen disorder causing an excess of collagen fibers in the epidermis.
- It may be due to cutaneous inflammation and typically improves in weeks or months.
- What can be said about the occurrence of melasma?
- It is often seen with BCC and melanoma.
- It occurs mostly in men.
- It mostly involves sun-exposed facial areas.
- It is less common in darker skin types.
- occur within the confines of the injury and fade with time.
- may become much larger than the original trauma site.
- are often found on the abdomen and extremities.
- are not associated with pain or sensitivity.
- Compared to white skin, the probability of scarring among people of color is
- the same.
- 10 times lower.
- 15 times higher.
- 50 times higher.
- When diagnosing eczema,
- black skin typically has a wet, spongiotic appearance.
- white skin has a papular and lichenified appearance.
- black skin with a wet presentation has a high suspicion of infection.
- white skin has greater incidence of xerosis.
- Regarding dermatologic conditions among ethnic groups, Blacks
- do not get rosacea.
- rarely develop contact dermatitis.
- and Hispanics typically seek treatment for eczema or dermatitis at initial onset.
- have a higher rate of alopecia and eczema.
- SLE is
- typically more severe in White women than Black women.
- a higher risk for Black women than White women.
- a skin condition found in White women but not Black women.
- an autoimmune disease without genetic predisposition.
- Sarcoidosis is a/an
- systemic disorder that can affect almost every organ of the body.
- autoimmune disorder that is not commonly found in Black women.
- cancer-causing tumors that involve the skin and other organs.
- cancer that causes melanin to replicate and the skin to ulcerate.
- Sarcoidosis isleastlikely to start in the
- lymph nodes.
- BCC is usually
- found in solitary lesions in Hispanics.
- translucent in darker skin.
- associated with scars and ulcers as risk factors in darker skin.
- found on the abdomen in Blacks.