A patient arrives at an emergency room complaining of pain in her ankle. The nurse examines the patient’s ankle, looking for skin discoloration or swelling. The nurse is relying mostly on his knowledge of

The nurse is examining visible features on the body’s surface, such as discoloration and swelling. This relies on knowledge of superficial anatomy, which studies external body features and their relationship to underlying structures. Microscopic anatomy focuses on structures too small to see without magnification, while physiology concerns how the body functions.

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