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: Microbiology
Phagocytosis of C.neoformans is inhibited by ? 
Select and explain. 
A. Cryptococcal capsular material, B. The size of the yeast cells, C. The cells walls, D. Toxins produced by the organism
A: Cryptococcal capsular material
Answer: A: Cryptococcal capsular material 
Explanation: Ans. is 'a' i.e., Cryptococcal Capsular material Virulence factor of cryptococcus neoformans Polysaccharide capsule --> Inhibits phagocytosis by WBC Melanin production --> Due to enzyme phenolic oxidase