This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pneumonia, Bronchiectasis, and Lung Abscess, Subject name: Medicine
Friedlander Pneumonia refers to Pneumonia caused by- 
Select and explain. 
A. Klebsiella, B. Pneumococcus, C. H. Influenzae, D. Staphylococcus
A: Klebsiella
Answer: A: Klebsiella 
Explanation: Ans. is 'a' i.e., Klebsiella o Klebsiella Pneumonia is also known as "Friedlander Pneumonia# Klebsiella initially described in 1882 by Friedlander was also known as Friendlanders bacillus. Community> acquired Pneumonia caused by Friendlanders bacillus (Klebsiella) was termed as Friedlander Pneumonia.