Exercises
This quiz assesses practical knowledge of pressure injury prevention and management. Topics include recognized stages, deep tissue pressure injury, risk assessment, repositioning, heel offloading, moisture control, support surfaces, nutrition, wound documentation, medical device-related injuries, and signs requiring urgent escalation. Questions range from foundational concepts to clinical scenarios and visual interpretation.
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A Stage 2 pressure injury involves partial-thickness skin loss with exposed dermis. The wound bed is viable and pink or red, without slough, eschar, granulation tissue, or exposed fat.
The injury is unstageable because slough or eschar obscures the wound base. A definitive Stage 3 or Stage 4 classification cannot be made until enough material is removed to reveal the depth.
Persistent deep red, maroon, or purple discoloration can indicate a deep tissue pressure injury. Damage may exist beneath intact skin and can evolve rapidly despite appropriate treatment.
Shear occurs when the skeleton moves while the skin remains relatively fixed against a surface. Sliding down in bed can distort and damage blood vessels and deeper tissues.
The Braden Scale evaluates sensory perception, moisture, activity, mobility, nutrition, and friction or shear. A lower total score generally indicates greater pressure injury risk.
Repositioning frequency should be individualized. Clinicians consider mobility, tissue tolerance, skin findings, comfort, medical condition, and the support surface rather than applying one interval to every patient.
Heel offloading should distribute support along the calves while keeping the heels completely free of the bed. Ring-shaped devices can create concentrated pressure and are generally avoided.
Prompt gentle cleansing, careful drying, and a moisture barrier reduce exposure to irritants and excessive moisture. Vigorous friction can damage the skin and increase vulnerability.
Poor intake and weight loss warrant nutrition screening and referral for comprehensive assessment. Energy, protein, fluid, and micronutrient needs should be addressed through an individualized care plan.
Stable heel eschar that is dry, adherent, and free of inflammation or drainage may serve as a natural cover and generally should not be removed. The heel should be offloaded and monitored, with perfusion and clinical changes assessed.
Increasing pain, warmth, purulent drainage, and spreading erythema are concerning for infection. Additional findings may include malodor, delayed healing, friable tissue, fever, or systemic deterioration.
Consistent documentation should include anatomical location, classification, measured dimensions, wound-bed tissue, drainage, edges, surrounding skin, pain, and relevant undermining or tunneling. This supports reliable comparison.
A suitable support surface redistributes pressure and may reduce shear or heat accumulation. It remains one part of a broader plan that includes skin inspection, repositioning, nutrition, moisture management, and mobility support.
Mucosal pressure injuries are not assigned numerical stages because the anatomy of mucous membranes differs from skin and the staging system cannot be applied accurately.
A medical device-related pressure injury often conforms to the shape of the device. When it affects skin, it is classified with the standard staging system; mucosal injuries are not numerically staged.
Temporary paling under pressure indicates blanchable erythema. Stage 1 pressure injury is defined by localized non-blanchable erythema of intact skin, although blanchable redness still warrants prevention and monitoring.
Undermining is tissue destruction beneath an intact wound edge, creating a shelf-like cavity. It should be measured and documented by depth and clock-face location according to local practice.
Fever, confusion, rapid breathing, and hypotension may indicate systemic infection or sepsis. This requires urgent evaluation and treatment rather than routine wound follow-up alone.

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