Which statement accurately describes petechiae and purpura?

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Study for the UF CPP Infectious Diseases Test. Use flashcards and multiple choice questions with hints and explanations. Get ready for your exam!

Multiple Choice

Which statement accurately describes petechiae and purpura?

Explanation:
Petechiae are tiny, non-blanching capillary bleeds in the skin, usually about 1–2 mm, and they often appear in clusters. Purpura are larger patches of non-blanching bleeding under the skin, typically 3–10 mm. The statement that petechiae are tiny pinpoint spots often appearing in clusters best captures their size and appearance. The other options mix up sizes or imply deeper bruising—petechiae are the smallest spots from superficial capillary bleeding, not larger or deeper bruises.

Petechiae are tiny, non-blanching capillary bleeds in the skin, usually about 1–2 mm, and they often appear in clusters. Purpura are larger patches of non-blanching bleeding under the skin, typically 3–10 mm. The statement that petechiae are tiny pinpoint spots often appearing in clusters best captures their size and appearance. The other options mix up sizes or imply deeper bruising—petechiae are the smallest spots from superficial capillary bleeding, not larger or deeper bruises.

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