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.
Read on to find out. Related: 7th generation iPod nano Review. 1  Hold Button-This button at the top right edge of the nano is used to lock and unlock the nano's screen. 2  Holding it down turns the nano off or on.3  It's also used to restart a frozen nano.ead on to find out. Related: 7th generation iPod nano Review. 1  Hold Button-This button at the top right edge of the nano is used to lock and unlock the nano's screen. 2  Holding it down turns the nano off or on.