Wound Classification and Healing Quiz
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Questions and Answers

What characterizes an open wound?

  • It is a superficial wound with minimal tissue damage.
  • There is a break or opening in the skin exposing underlying tissues. (correct)
  • The wound is caused by a sharp object puncturing the skin.
  • The skin remains intact but underlying tissues are damaged.
  • Which type of wound involves complete loss of skin layers and may affect underlying structures such as muscle or bone?

  • Full thickness wound (correct)
  • Partial thickness wound
  • Open wound
  • Closed wound
  • What distinguishes a dirty wound from a clean wound?

  • Dirty wounds are cleanly incised during a surgical procedure.
  • Dirty wounds involve significant tissue damage with contamination. (correct)
  • A dirty wound heals more rapidly than a clean wound.
  • Clean wounds are puncture wounds caused by sharp objects.
  • Which of the following is true about chronic wounds?

    <p>They do not progress through the normal healing process. (D)</p> Signup and view all the answers

    What is the primary difference between a hematoma and a bruise?

    <p>Hematomas involve more blood pooling under the skin than bruises. (A)</p> Signup and view all the answers

    Which type of open wound is characterized by a ragged tear in the skin?

    <p>Laceration (C)</p> Signup and view all the answers

    What defines a partial thickness wound?

    <p>Partial loss extending through the epidermis and superficial dermis. (D)</p> Signup and view all the answers

    What is a key characteristic of an avulsion wound?

    <p>A portion of skin and underlying tissue is pulled or torn away. (A)</p> Signup and view all the answers

    What is the correct method for obtaining a wound culture?

    <p>Cleaning the wound with saline and using a sterile swab or needle. (A)</p> Signup and view all the answers

    Which characteristic is not associated with superficial (first-degree) burns?

    <p>Presence of fluid-filled blisters. (D)</p> Signup and view all the answers

    What is the primary treatment for a stage 2 pressure ulcer?

    <p>Moisture-retentive dressings and pressure relief. (D)</p> Signup and view all the answers

    How often should a patient be repositioned to prevent pressure ulcers?

    <p>Every 2 hours. (A)</p> Signup and view all the answers

    Which of the following is true about the Braden Scale?

    <p>Lower scores indicate a higher risk for pressure ulcers. (C)</p> Signup and view all the answers

    Which type of burn extends through the skin into underlying muscle and bone?

    <p>Fourth-degree burn. (A)</p> Signup and view all the answers

    What aspect is primarily evaluated in a patient with an arterial ulcer?

    <p>Appearance of punched-out lesions and pale wound bed. (A)</p> Signup and view all the answers

    Which stage of pressure ulcer involves full thickness tissue loss with exposed bone, muscle, or tendon?

    <p>Stage 4. (C)</p> Signup and view all the answers

    What is the primary role of replacement tissue in wound healing?

    <p>To provide structural support (D)</p> Signup and view all the answers

    Which of the following factors can impair wound healing due to poor blood flow?

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

    During which phase of wound healing does fibroblast activity and collagen production primarily occur?

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

    What type of wound healing occurs when a wound cannot be closed surgically?

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

    What does a red color indicate in a wound's healing status?

    <p>Presence of granulation tissue (C)</p> Signup and view all the answers

    Which of the following medications is known to delay wound healing by inhibiting inflammatory responses?

    <p>Corticosteroids (C)</p> Signup and view all the answers

    Sanguineous drainage is characterized by which of the following features?

    <p>Bright red and primarily consists of blood (D)</p> Signup and view all the answers

    Which sign is NOT considered a symptom of hypovolemic shock?

    <p>Increased urine output (B)</p> Signup and view all the answers

    What indicates a potential infection in a wound?

    <p>Foul odor and purulent drainage (B)</p> Signup and view all the answers

    What does dehiscence refer to in the context of surgical wounds?

    <p>Partial separation of the wound (A)</p> Signup and view all the answers

    Which intervention could help improve a patient's wound healing related to nutrition?

    <p>Provide a balanced, nutrient-rich diet (B)</p> Signup and view all the answers

    What does purulent drainage typically indicate about a wound?

    <p>Infection is likely (D)</p> Signup and view all the answers

    In which situation might terciary intention for wound healing be applied?

    <p>In a contaminated abdominal wound (A)</p> Signup and view all the answers

    Which characteristic of wound drainage signifies the inflammatory phase is resolving?

    <p>Serosanguineous drainage (C)</p> Signup and view all the answers

    What describes the tissue that forms during the second step of wound healing?

    <p>Red, bumpy tissue (C)</p> Signup and view all the answers

    Which type of drainage is a mixture of clear fluid and blood?

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

    What does the term 'dehisced' refer to in wound healing?

    <p>A wound has opened or separated (D)</p> Signup and view all the answers

    Which stage of pressure ulcer is characterized by non-blanchable redness?

    <p>Stage 1 (C)</p> Signup and view all the answers

    What type of drain is used to remove fluid through suction?

    <p>Jackson Pratt drain (C)</p> Signup and view all the answers

    Flashcards

    Open Wound

    A wound involving a break or opening in the skin, exposing underlying tissues.

    Closed Wound

    A wound where the skin remains intact, but underlying tissues are damaged.

    Partial Thickness Wound

    A wound involving only partial loss of skin layers, like the epidermis and superficial dermis.

    Full Thickness Wound

    A wound involving complete loss of the skin layers, extending into subcutaneous tissue.

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    Clean Wound

    A surgical incision with minimal tissue damage and low infection risk.

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    Dirty Wound

    A wound contaminated with debris, foreign material, or bacteria, increasing the risk of infection.

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    Acute Wound

    A wound that heals within the expected timeframe.

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    Chronic Wound

    A wound that does not heal in an expected or timely manner.

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    How is a wound culture obtained?

    A wound culture involves collecting a sample of fluid or tissue from a wound to identify any bacteria present.

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    Pressure Ulcers

    These occur when pressure on the skin impedes blood flow, leading to tissue damage.

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    What are the 4 stages of pressure ulcers?

    Stage 1: Non-blanchable redness of intact skin. Stage 2: Partial thickness skin loss involving epidermis/dermis. Stage 3: Full thickness tissue loss through dermis. Stage 4: Full thickness tissue loss with exposed bone/muscle/tendon.

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    What is the Braden Scale?

    The Braden Scale evaluates sensory perception, moisture, activity, mobility, nutrition, and friction/shear to assess a patient's risk for pressure ulcers.

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    Differences between Arterial & Venous ulcers

    Arterial ulcers are caused by poor blood flow and appear pale, while venous ulcers result from venous insufficiency and have heavy drainage.

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    How are pressure ulcers treated in each stage?

    Relieving pressure and protecting the area. Using moisture-retentive dressings and pressure relief. Debridement, moisture dressings like hydrogels, and pressure redistribution devices. Surgical debridement, negative pressure wound therapy, and aggressive pressure relief measures.

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    How to prevent pressure ulcers?

    Frequent repositioning and pressure relief by regularly changing the patient's position.

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    Types of Burns

    Superficial burns involve only the outer layer of skin. Partial-thickness burns affect the epidermis and dermis, causing blisters. Full-thickness burns destroy all skin layers. Fourth-degree burns extend into muscle and bone.

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    What is replacement tissue?

    Replacement tissue, typically fibrous connective tissue, does not have the same functional characteristics as the original tissue that was lost or damaged. It serves more of a structural role rather than fully replicating the specialized functions of the replaced tissue.

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    Name 3 factors that cause chronic wounds

    Diabetes, poor circulation, and immobility can all contribute to chronic wound development.

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    Describe the inflammatory stage of wound healing

    The body's initial response to injury, involving inflammation and removal of debris.

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    What happens during the proliferation stage of wound healing?

    New tissue formation with collagen production and blood vessel growth.

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    Explain the maturation stage of wound healing

    The final stage of wound healing, where the wound fully closes and the scar matures.

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    What is primary intention healing?

    Wound edges are brought together, like in a surgical incision, leading to rapid healing and minimal scarring.

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    Describe secondary intention healing

    Healing occurs from the bottom up when a wound cannot be surgically closed due to tissue loss. Examples include large open wounds from trauma.

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    What is tertiary intention healing?

    A wound is left open initially to allow for drainage and granulation tissue formation, then closed surgically later. This is often used to prevent infection.

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    What can wound color tell us?

    Red color indicates the presence of healthy granulation tissue, a sign of healing. Yellow or tan suggests non-viable tissue that requires debridement. Black or brown indicates necrotic tissue. Green indicates bacterial infection, often Pseudomonas. Red/angry may indicate cellulitis or spreading infection.

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    How does nutrition affect wound healing? What can you do?

    Adequate nutrition is crucial for wound healing. Provide a balanced diet rich in protein, vitamins, and minerals. Consult a dietitian for personalized advice.

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    How do chronic illnesses affect wound healing? What can you do?

    Chronic illnesses, like diabetes, interfere with wound healing. Manage these conditions to optimize healing.

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    How does age affect wound healing? What can you do?

    Older adults often have slower healing times. Handle skin gently and protect it from further injury.

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    How does smoking affect wound healing? What can you do?

    Smoking impairs oxygen delivery and immune function, hindering healing. Encourage smoking cessation.

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    How does immobility affect wound healing? What can you do?

    Immobility leads to pressure sores, hindering healing. Reposition the patient frequently and provide supportive surfaces.

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    Explain the different types of wound drainage.

    Sanguineous drainage is bright red and occurs immediately after injury. Serosanguineous is pinkish and occurs in the days following injury. Serous is clear and indicates the inflammatory phase is resolving. Purulent drainage is thick, opaque, yellowish, and suggests infection.

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    Granulation tissue

    Red, bumpy tissue that forms during the second stage of wound healing.

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    Eschar

    Thick, leathery, dead tissue that can form over a wound.

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    Slough

    Soft, moist, dead tissue that can form over a wound.

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    Jackson Pratt drain

    A closed suction drain used to remove fluid from a wound.

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    Well approximated

    Wound edges are neatly aligned, appearing closed and well-fitting.

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    Study Notes

    Wound Classification and Healing

    • Open Wounds: A break in the skin, exposing underlying tissues.
    • Closed Wounds: Skin remains intact, underlying tissues damaged (e.g., contusion, hematoma).
    • Partial-Thickness Wounds: Affect only the epidermis and superficial dermis layers.
    • Full-Thickness Wounds: Affect all skin layers, possible extended damage to underlying tissues.
    • Clean Wounds: Surgical incisions with minimal damage and low infection risk.
    • Dirty Wounds: Significant tissue damage and contamination, higher infection risk.
    • Acute Wounds: Recent onset, heal within the expected timeframe.
    • Chronic Wounds: Fail to heal in a timely manner.

    Hematoma vs. Bruise

    • Hematoma: Localized collection of blood under the skin, significant bleeding and swelling.
    • Bruise: Smaller area of discoloration, less swelling and blood accumulation.

    Open Wound Types

    • Laceration: Ragged tear in the skin from blunt force.
    • Abrasion: Superficial scrape or rub of the skin's top layers.
    • Puncture: Small hole caused by a sharp object piercing the skin.
    • Avulsion: Skin and underlying tissue torn away or pulled off.
    • Ulceration: Open sore or lesion with tissue breakdown.

    Tissue Replacement vs. Original Tissue

    • Replacement tissue (fibrous connective) differs functionally from the original tissue. It offers structural support, not the original tissue's specific functions.

    Chronic Wound Causes

    • Diabetes: Impaired healing due to high blood sugar.
    • Poor Circulation: Reduced blood flow slows healing.
    • Immobility: Constant pressure creates pressure ulcers.

    Wound Healing Phases

    • Inflammatory Stage (0-3 days): Immune response, blood vessel dilation, debris/bacteria removal.
    • Proliferation Stage (3 days - 3 weeks): New tissue formation, collagen production, new blood vessel growth, epithelial resurfacing.Granulation tissue- red, bumpy tissue forming during wound healing second step of wound healing
    • Maturation Stage (3 weeks - 2 years): Wound closure, collagen reorganization, scar contraction and maturation, decreased blood supply.

    Wound Healing Types

    • Primary Intention: Wound edges approximated (e.g., sutured surgical incision), rapid healing, minimal scarring.Staples/skin clips - devices used to close surgical incisions Sutures - threads used to close surgical incisions
    • Secondary Intention: Tissue loss, wound left open to heal from the bottom up, more extensive scarring.
    • Tertiary Intention: Wound left open initially, allowed to granulate and clear infection before closing.

    Wound Color Significance

    • Red: Active healing, granulation tissue present.
    • Yellow/Tan: Slough (soft, moist, necrotic tissue), needs debridement.
    • Black/Brown: Necrotic tissue (eschar - thick, leathery, necrotic tissue), requires debridement.
    • Green: Possible infection (Pseudomonas).
    • Red/Angry: Erythema, infection spreading (cellulitis).
    • Foul Odor: Potential necrotic tissue or anaerobic bacteria.

    Factors Affecting Wound Healing & Interventions

    • Nutrition: Balanced diet essential for cellular healing processes. Consult a dietitian.
    • Chronic Illnesses: Manage underlying conditions to optimise healing. Education on disease management.
    • Age: Adjusting care for slower healing in older adults.
    • Smoking: Discourage smoking due to impaired healing.
    • Immobility: Reposition patient frequently to prevent pressure ulcers.

    Medications Affecting Wound Healing

    • Corticosteroids: Inhibit healing, delay inflammation and cell migration.
    • Immunosuppressants: Impair immune system functioning for wound healing.
    • Anticoagulants/Antiplatelets: Increase bleeding, disrupt clot formation.

    Wound Drainage Types

    • Sanguineous: Bright red blood drainage, immediate after injury/surgery.
    • Serosanguineous: Pinkish drainage, blood diluted with serous fluid. Days after injury/surgery.
    • Serous: Clear, pale yellow fluid, inflammatory phase resolving.
    • Purulent: Thick, opaque, contains white blood cells & bacteria, indicates infection.

    Hypovolemic Shock S/S

    • Tachycardia (rapid heart rate)
    • Hypotension (low blood pressure)
    • Tachypnea (rapid breathing)
    • Cool, pale, mottled skin
    • Delayed capillary refill
    • Decreased urine output
    • Lethargy/irritability
    • Dry mucous membranes

    Surgical Site Hemorrhage Assessment

    • Frequent dressing checks for bleeding.
    • Monitor drainage from surgical drains.Penrose drain - rubber drain used to remove fluid from wounds Jackson Pratt drain - closed suction drain to remove fluid.
    • Observe for blood pooling/drainage around dressings.
    • Vital sign monitoring for hypovolemia.
    • Assess for hypovolemic shock symptoms.
    • Palpate surgical site for swelling or firmness (hematoma).

    Wound Infection S/S

    • Redness, warmth around wound.
    • Swelling, edema.
    • Increased pain, tenderness.
    • Foul odor.
    • Thick, purulent (yellow, green, brown) drainage.
    • Fever.
    • Elevated white blood cell count.

    Dehiscence vs. Evisceration

    • Dehiscence: Partial separation of a surgical wound.
    • Evisceration: Protrusion of internal organs through the wound dehiscence.Well approximated - wound edges neatly aligned Dehisced - wound has opened/separated
    • Occurrence: 5-12 days post-surgery.
    • Action: Place in relieving position, cover with sterile saline dressing, notify surgeon immediately.

    Wound Culture Procedure

    • Clean wound with saline.
    • Collect sample with sterile swab/needle from wound bed.
    • Place in sterile container, send to lab.

    Burn Types

    • Superficial (First-degree): Epidermis only, redness, pain, no blisters.
    • Partial-Thickness:
      • Superficial: Epidermis and upper dermis, blisters.
      • Deep: Deeper into dermis, white/waxy appearance.
    • Full-Thickness (Third-degree): Entire skin thickness, leathery/charred.
    • Fourth-degree: Extends beyond skin to underlying muscle and bone.

    Pressure Ulcer Stages & Treatment

    • Stage 1: Non-blanchable redness of intact skin. Relieve pressure, protect area.
    • Stage 2: Partial-thickness skin loss (epidermis/dermis). Moisture-retentive dressings, pressure relief.
    • Stage 3: Full-thickness tissue loss through dermis. Debridement, moisture dressings, pressure redistribution.
    • Stage 4: Full-thickness skin and tissue loss, bone/muscle/tendon exposed. Surgical debridement, negative pressure therapy, pressure relief.

    Pressure Ulcer Prevention

    • Frequent repositioning, pressure relief.

    Braden Scale

    • Tool for assessing pressure ulcer risk. Evaluates sensory perception, moisture, activity, mobility, nutrition, and friction/shear.

    Arterial vs. Venous Ulcers

    • Arterial: Poor arterial blood flow, punched-out appearance, pale wound bed. Treated with revascularization.
    • Venous: Venous insufficiency, irregular edges, heavy drainage. Treated with compression therapy and addressing underlying venous disease.

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    Description

    Test your knowledge on different types of wounds and their healing processes. This quiz covers classifications of open and closed wounds, types of hematomas versus bruises, and the characteristics of acute and chronic wounds. Challenge yourself and see how well you understand wound management!

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