HOSA Dental Terminology Practice

What does alopecia refer to?

1. Excessive hair growth

2. Deficiency of hair; baldness

3. Loss of vision

4. Increased hair thickness

The correct answer is: Deficiency of hair; baldness

Alopecia refers specifically to the loss of hair, which can occur in various forms, leading to baldness or thinning of hair in specific areas. The condition affects both men and women and can be caused by a variety of factors, including genetics, hormonal changes, medical conditions, and environmental factors. Understanding that alopecia indicates a deficiency of hair helps in recognizing its implications for individuals experiencing hair loss. Conditions such as alopecia areata, for example, involve sudden hair loss in patches, while androgenetic alopecia, often referred to as male or female pattern baldness, describes a more common type of hair loss related to genetic factors. The other options, while they pertain to hair and vision, do not align with the definition of alopecia itself. Excessive hair growth would be classified as hypertrichosis, loss of vision is unrelated to hair conditions, and increased hair thickness relates to different dermatological issues. Being familiar with these distinctions enhances understanding of alopecia and its relevance in medical and cosmetic contexts.