Select all of the statements that apply to healthcare-associated or nosocomial pneumonia to test your understanding of the differences between healthcare-associated and community-acquired pneumonia. often are polymicrobial in origin bacteria enter lower respiratory tract due to abnormal breathing bacteria enter lower respiratory tract due to mechanical ventilation low mortality rate can be caused by coliform bacteria

Healthcare associated pneimonia can also be refers to as nosocomial pneumonia and it is a type of pneumonia contacted when in nursing home or hospital. Thus, expert usually consider it as serious illness than pneumonia people get in daily life. However, the statement includes: 

They are polymicrobial in origin

Bacteria enter lower respiratory tract 

Due to abnormal breathing bacterial enter respiratory tract 

Mechanical ventilation can be caused by coliform bacteria