This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteria, Subject name: Microbiology
Friedlanders bacillus also known as: 
Select and explain. 
A. E. coli Pattern, B. Pseudomonas aeruginosa, C. Klebsiella pneumoniae, D. Vibrio parahemolyticus
C: Klebsiella pneumoniae
Answer: C: Klebsiella pneumoniae 
Explanation: Ans. is 'c' i.e., Klebsiella pneumoniae(Ref: Ananthanarayan, 9th/e, p. 280 and 8th/e, p. 278)"Klebsiella pneumoniae is also known as Friedlander's bacillus or Bacillus mucosus capsulatus."(Karl Friedlander, 1847-1887, German bacteriologist) - who helped discover the bacterial cause of pneumonia in 1882.