Question

An immunocompromised host is open to pneumonia from all types of organisms. There is, however, a correlation between specific types of immunologic deficits and specific invading organisms. What organism is most likely to cause pneumonia in an immunocompromised host with neutropenia and impaired granulocyte function?

Answer 1

The correct answer is - Staphylococcus aureus.

Explanation:

Staphylococcus aureus is a round-shaped, gram-positive bacterium that is most frequently found on the skin and on the skin or the upper respiratory tract.

Staphylococcal pneumonia is caused by these bacteria that spread to the lung via blood from different infected sites. It is generally more frequently occurred in immunocompromised and elderly people.

Thus, the correct answer is - staphylococcus aureus.