<prompt> Factors responsible for the development of multidrug resistant pneumonia are all, EXCEPT:Widespread use of potent oral antibioticsEarlier transfer of patients out of acute-care hospitals to their homesIncreased use of outpatient IV antibiotic therapyUnderlying lung cancer  <response>: Factors responsible for the development of multidrug resistant pneumonia are Widespread use of potent oral antibiotics Earlier transfer of patients out of acute-care hospitals to their homes or various lower-acuity facilities Increased use of outpatient IV antibiotic therapy General aging of the population More extensive immunomodulatory therapies Ref: Harrison, E-18, P-2130. 