At what age does a child develop a personal identity? 

Which of the following therapeutic modalities would be useful for a COPD patient who has failed numerous spontaneous breathing trials because of respiratory muscle weakness, and is still intubated and receiving invasive positive-pressure ventilation?

A. negative pressure ventilation B. noninvasive positive-pressure ventilation C. sedation and controlled mechanical ventilation D. pressure support ventilation

The inflammation of the appendix is called ________.

Fill in the blank(s) with the appropriate word(s).