Skin Lesion Types Quiz
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Questions and Answers

What characterizes a bulla?

  • Linear erosion of the skin
  • Elevated flat topped lesion larger than 1 cm
  • Solid lesion with a diameter of less than 1 cm
  • Circumscribed collection of free fluid larger than 1 cm (correct)

    • What is the primary distinction between a papule and a plaque?

  • Both a papule and a plaque are solid lesions of equal size.
  • A plaque is a solid elevated lesion, while a papule is a liquid-filled vesicle.
  • A plaque is flat topped and larger than 1 cm, while a papule is elevated and ≤ 0.5 cm. (correct)
  • A papule is larger in size than a plaque.

    • Which of the following describes a macule?

  • A thickened area of skin showing normal lines
  • A circular flat discoloration less than 1 cm (correct)
  • A small elevated solid lesion greater than 1 cm
  • A vesicle containing pus

    • What is true about a pustule?

    <p>It is a vesicle containing pus. (D)</p> Signup and view all the answers

    How is lichenification characterized?

    <p>By a thickening of the epidermis with exaggerated normal skin lines. (C)</p> Signup and view all the answers

    Which skin lesion is primarily a result of dried serum or exudate?

    <p>Crust (A)</p> Signup and view all the answers

    What is a common feature of a wheal?

    <p>Edematous, transitory plaque lasting hours (D)</p> Signup and view all the answers

    What does an erosion refer to in skin lesions?

    <p>Loss of the superficial epidermis (B)</p> Signup and view all the answers

    Which skin lesion is characterized by an elevated solid lesion that measures greater than 1 cm?

    <p>Nodule (D)</p> Signup and view all the answers

    What type of skin lesion is a circumscribed flat discoloration larger than 1 cm?

    <p>Patch (A)</p> Signup and view all the answers

    How would you define a scale in terms of skin lesions?

    <p>Epidermal thickening with flakes of desquamated layers (C)</p> Signup and view all the answers

    Which lesion consists of a collection of free fluid less than or equal to 1 cm?

    <p>Vesicle (D)</p> Signup and view all the answers

    What distinguishes a papule from other skin lesions?

    <p>It is solid and elevated up to 0.5 cm (B)</p> Signup and view all the answers

    Which term refers to the thickening of the epidermis accompanied by exaggerated skin lines?

    <p>Lichenification (D)</p> Signup and view all the answers

    Which of the following lesions is defined as an edematous, transitory plaque that may last for a few hours?

    <p>Wheal (B)</p> Signup and view all the answers

    What is a common characteristic of a scar in dermatological terms?

    <p>Permanent fibrotic changes following epidermis damage (C)</p> Signup and view all the answers

    Flashcards

    Bulla Definition

    Fluid-filled lesion larger than 1 cm.

    Macule Definition

    Flat, discolored spot less than 1 cm.

    Nodule Definition

    Solid, raised 1cm+ skin lesion.

    Patch Definition

    Larger flat skin discoloration than 1cm.

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    Papule Definition

    Small, solid, raised lesion, less than 0.5cm.

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    Vesicle Definition

    Small, fluid-filled lesion less than 1 cm.

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    Pustule Definition

    Small, pus-filled lesion.

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    Scale Definition

    Thickened, flaky skin.

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    Plaque

    A flat-topped, elevated lesion larger than 1 cm. It's solid, meaning it's not filled with fluid.

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    Wheal

    A temporary, raised, edematous lesion. This type of lesion usually appears and disappears within a few hours.

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    Crust

    A dried scab formed from serum (fluid) or exudate (pus).

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    What's the difference between a Macule and a Patch?

    Both are flat, but a macule is smaller than 1 cm, while a patch is larger.

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    Erosion vs. Ulcer

    Erosion is a superficial loss of epidermis, while an ulcer extends deeper into the dermis.

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    What are the key differences between a Papule and a Nodule?

    Both are solid and elevated, but a papule is up to 0.5 cm in size and a nodule is larger.

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    Lichenification

    Thickened skin with exaggerated skin lines. Often seen in areas of chronic scratching or rubbing.

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    What is a Scar?

    A scar is a permanent fibrotic change in the skin following tissue damage. It results from the body's attempt to repair the injured tissue.

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    Study Notes

    Skin Lesion Types

    • Bulla: Circumscribed collection of free fluid, greater than 1 cm in size
    • Macule: Circular, flat discoloration, less than 1 cm, colors include brown, blue, red, or hypopigmented
    • Nodule: Circular, elevated, solid lesion, greater than 1 cm in size
    • Patch: Circumscribed, flat discoloration, greater than 1 cm in size
    • Papule: Superficial, solid, elevated lesion, less than or equal to 0.5 cm in size, varying colors
    • Plaque: Superficial, elevated, solid, flat topped lesion, greater than 1 cm
    • Pustule: Vesicle containing pus (inflammatory cells)
    • Vesicle: Circular collection of free fluid, less than or equal to 1 cm in size
    • Wheal: Edematous, transient, plaque-like lesion, may last a few hours
    • Scale: Epidermal thickening, flakes or plates of compacted, desquamated layers of stratum corneum
    • Crust: Dried serum or exudate on skin
    • Fissure: Crack or split
    • Excoriation: Linear erosion
    • Erosion: Loss of epidermis, superficial, part or all of the epidermis lost
    • Lichenification: Thickening of epidermis, seen with exaggeration of normal skin lines
    • Scar: Thickening, permanent fibrotic changes on skin, following epidermis damage

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    Related Documents

    Skin Lesion Cheat Sheet PDF

    Description

    Test your knowledge on different skin lesion types with this quiz. Explore various categories such as bulla, macule, and nodule, and understand their characteristics and sizes. Perfect for medical students and healthcare professionals.

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