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Integumentary System Flashcards

6 cards from real NPTE-PTA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. Pitting edema is graded on a 1–4 scale. Grade 3 pitting edema indicates:

    Answer: 6 mm depression, rebounds in 1–2 minutes

    Grade 3 pitting edema produces a 6 mm indentation that takes 1–2 minutes to rebound.

  2. Which vitamin deficiency is most associated with impaired wound healing?

    Answer: Vitamin C

    Vitamin C is essential for collagen synthesis; deficiency impairs wound healing and can cause scurvy.

  3. A full-thickness burn wound is characterized by:

    Answer: White or charred appearance, no pain

    Full-thickness (3rd degree) burns destroy all skin layers including nerve endings, resulting in a painless white, brown, or black appearance.

  4. The primary purpose of offloading a diabetic foot ulcer is to:

    Answer: Reduce repetitive mechanical stress to allow healing

    Offloading redistributes pressure away from the wound site, eliminating the repetitive mechanical trauma that prevents healing.

  5. Negative pressure wound therapy (NPWT/VAC) promotes healing by:

    Answer: Applying subatmospheric pressure to remove exudate and promote granulation

    NPWT applies controlled negative pressure to remove exudate, reduce edema, and stimulate granulation tissue formation.

  6. Which sign indicates arterial insufficiency in the lower extremity?

    Answer: Dependent rubor with elevation pallor

    Dependent rubor (redness when dependent) and elevation pallor are classic signs of arterial insufficiency from poor perfusion.