Question

a nurse is caring for a client with pneumonia. which of the following is true regarding the pathophysiology of pneumonia? infection results when the pathogen amount is overloaded. pathogens causing pneumonia are transmitted only by aerosol. transmitted pathogens colonize the trachea. pneumonia is caused by bacterial or viral respiratory pathogens.

Explanation:

• Option 1: Infection occurs when the host's defenses are compromised, not just pathogen overload.
• Option 2: Pathogens can be transmitted via contact, droplets, etc., not only aerosol.
• Option 3: Transmitted pathogens colonize the alveoli, not the trachea.
• Option 4: Pneumonia is commonly caused by bacterial (e.g., Streptococcus pneumoniae) or viral (e.g., influenza virus) respiratory pathogens.

Answer:

Pneumonia is caused by bacterial or viral respiratory pathogens.