Snap Review: Definition of. a Pressure Ulcer--. â¢ A pressure ulcer is localized injury to the skin and/or underlying tissue. usually over a bony prominence, as a result of pressure, or pressure in. combination with shear and/or friction.
Apple Indeed Replacing Recalled iPod Nano Units with Current-Generation Models. Just hours after we reported that Apple appeared to have begun shipping out current-generation iPod nanos as replacements for recalled first-generation units, users are beginning to report in that they are indeed receiving the current models.
1st and 2nd generation iPod nanos can only plâ¦ay audio.   How to tell what model iPod nano you have 1st generation iPod nanos were white or black with acrylic (plastic) faces and chrome backs, and came in 1GB, 2GB, and 4GB capacities.