NIC Cosmetology Written (Theory) ExamScientific ConceptsHard
A client is experiencing significant hair loss, characterized by round or irregular patches where the hair has completely fallen out, leaving smooth skin. The cosmetologist notes there is no inflammation or scaling. This condition is most likely:
- ATelogen effluvium
- BAlopecia areata
- CAndrogenic alopecia
- DTinea capitis
Show answer & explanationAnswer & explanation
Correct answer: B. Alopecia areata
Alopecia areata is an autoimmune disorder that causes the immune system to mistakenly attack hair follicles, resulting in sudden hair loss in round or oval patches. The affected skin typically remains smooth and free of inflammation or scaling, which distinguishes it from other forms of hair loss or scalp conditions like tinea capitis.
Why the other options are wrong
- A. Telogen effluvium is diffuse hair shedding, often temporary, triggered by stress or hormonal changes, but it's a general thinning, not distinct smooth patches.
- C. Androgenic alopecia (male/female pattern baldness) is characterized by a gradual thinning of hair in a specific pattern, not sudden, smooth, patchy loss.
- D. Tinea capitis (ringworm of the scalp) is a fungal infection that causes patchy hair loss, but it is typically accompanied by scaling, redness, and inflammation, unlike the smooth skin seen in alopecia areata.
Alopecia Areata
An autoimmune condition causing sudden, patchy hair loss with no inflammation or scaling, leaving smooth skin.
- Immune system attacks hair follicles.
- Hair loss occurs in distinct, round or oval patches.
- Not contagious; can affect any hair-bearing area.
Memory trick: Alopecia 'Types' are 'Varied' – 'Pattern', 'Patch', or 'Panic'!