5 Written questions
4 Multiple choice questions
- inadequate oxygen to cells
- immobility, nutrition, hydration, surface moisture, mental status, age.
- deficiency of blood to tissue. caused usually by external pressure
- Partial thickness loss
4 True/False questions
Stage 4 → Full thickness loss, sub Q exposure, but not bone, tendon or muscle.
shear → black leather scab of dead tissue
factors to pressure ulcer formation → 1. external pressure compresses blood vessels 2. friction and shearing forces injure vessels and abrade top skin layer
necrosis → deficiency of blood to tissue. caused usually by external pressure