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: Physiology
All of the following statements about phagocytosis are true, except: 
Select and explain. 
A. Amoeba and other unicellular protozoa make their living out of this, B. Used to ingest paicles < 0.5 microns in size, C. Used to ingest paicles > 0.5 microns in size, D. Digestion occurs within phagolysosomes
B: Used to ingest paicles < 0.5 microns in size
Answer: B: Used to ingest paicles < 0.5 microns in size 
Explanation: Phagocytosis, by definition refers to the internalization of large paicles >0.5 microns in diameter,smaller paicles are ingested by pinocytosis. Ref: Biochemistry By B. D. Hames, N. M. Hooper, page 153; Introduction to Air Pollution Science By Phalen, Robe N. Phalen, page 62; Textbook of Pathology' by V. Krishna