Question

Which microorganism is part of our normal flora and causes pneumonia and endocarditis?

1) Streptococcus pneumoniae
2) Staphylococcus aureus
3) Escherichia coli
4) Pseudomonas aeruginosa

Answer 1

Streptococcus pneumoniae is the microorganism that is part of our normal flora and causes pneumonia and endocarditis.

Step-by-step explanation:

The microorganism that is part of our normal flora and causes pneumonia and endocarditis is Streptococcus pneumoniae. This gram-positive, alpha hemolytic streptococcus is commonly found as part of the normal microbiota of the human respiratory tract.