Which statement is true regarding papules?

A papule is indeed characterized as a raised lesion that is less than 1 centimeter in diameter and is not fluid-filled. This description reflects the typical presentation of papules, which can manifest as small, solid elevations on the skin’s surface. They are often a sign of various dermatological conditions and can be associated with inflammatory processes, infections, or skin disorders.

While a papule can occur as part of a rash, which might involve various types of lesions, the defining characteristics of a papule itself are specifically its raised nature and small size, without fluid content. Other options that describe it as fluid-filled or flat do not align with the established definition of a papule. These distinctions are important for accurate identification and understanding of skin lesions in clinical practice.