This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Joint disorders, Subject name: Orthopaedics
All of the following statements about synol fluid are true. Except - 
Select and explain. 
A. Secreted primarily by type A synol cells, B. Follows Non - Newtonian fluid kinetics, C. Contains hyaluronic acid, D. Viscosity is variable
A: Secreted primarily by type A synol cells
Answer: A: Secreted primarily by type A synol cells 
Explanation: synol fluid is plasma transudate from synol capillaries,modified by secretory activities of type-B synol lining cells. REF:Turek's.6 th edition.page no.152.