Louisiana Esthetics State Board Practice Test

Which condition refers to the absence of perspiration?

1. Anhidrosis

2. Hyperhidrosis

3. Dehydration

4. Dermatitis

The correct answer is: Anhidrosis

Anhidrosis refers specifically to the absence of perspiration or the inability to sweat. This condition can affect the body's ability to regulate temperature, potentially leading to overheating, especially in hot environments or during physical exertion. Sweating is a critical mechanism for cooling the body, and without it, individuals with anhidrosis can face serious health risks. In contrast, hyperhidrosis is characterized by excessive sweating, which is fundamentally the opposite of anhidrosis. Dehydration pertains to a lack of sufficient fluids in the body, which can lead to various health issues but does not specifically address issues with sweat production itself. Dermatitis, on the other hand, is a term used to describe inflammation of the skin, which can have various causes and symptoms, but it also does not directly relate to perspiration levels. Thus, the distinction of anhidrosis as the absence of perspiration stands clear, emphasizing its importance in understanding sweat-related conditions.