Information corrected or added some time after a patient's visit can be regarded as 

Common age-related skin changes include an increase in:

A) oil secretion. B) areas of pigmentation. C) perspiration. D) resistance to infection.

All of the following indicate that a patient is stable enough to be considered for home ventilatory support except:

a. pH = 7.34; PCO2 = 48; HCO3– = 27 b. FiO2 = 35% c. 15 cm H2O positive end expiratory pres-sure (PEEP) d. Absence of cardiac arrhythmias