This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Pseudo-hemoptysis is seen mostly with 
Select and explain. 
A. Streptococcus, B. E. coli, C. Serratia Marcescens, D. R.S.V
C: Serratia Marcescens
Answer: C: Serratia Marcescens 
Explanation: Ans. is 'c' i.e., Serratia Marcesens