Which of the following is a characteristic of papules?

Papules are indeed characterized as small, raised bumps on the skin. They are typically solid and can vary in color, often being red, brown, or flesh-toned. The size of papules is generally less than one centimeter in diameter. These bumps can result from a variety of skin conditions, including acne, insect bites, or allergic reactions. Their raised form distinguishes them from flat lesions, such as macules, allowing for easy identification during a physical examination.

The other options refer to different types of skin lesions. Fluid-filled lesions relate to vesicles or blisters, which contain serum or other fluids. Scab-like formations are commonly associated with crusted lesions or scabs resulting from healed wounds or infections. Large, inflamed areas describe conditions such as plaques or tumors that are significantly larger and more severe than papules. Understanding these distinctions is vital for accurate diagnosis and treatment in veterinary medicine, where skin evaluations can be crucial for overall health assessments.