Nursing Acceleration Challenge Exam (NACE) PN-RN Practice Test

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What characteristic defines a papular rash?

Lesions less than 1 cm, circumcised and solid
Flat lesions with a change in color
Circular and filled with fluid
Lesions larger than 1 cm

The correct answer is: Lesions less than 1 cm, circumcised and solid

A papular rash is characterized by lesions that are solid, raised, and typically less than 1 cm in diameter. These papules have a defined border, which distinguishes them from other types of skin lesions. The solid nature of papules, as opposed to fluid-filled lesions or flat discolorations, is a key feature that allows healthcare providers to identify and classify skin conditions effectively. In contrast, flat lesions that exhibit a change in color rather than elevation would be classified as macules, while circular lesions filled with fluid are generally referred to as vesicles or pustules. Lesions larger than 1 cm, which may be referred to as nodules or plaques, also do not fit the definition of a papule. Understanding these distinctions is important for accurate diagnosis and management of dermatological issues.