This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
Number of Golgi tendon organs per 100 extrafusal muscle fibres 
Select and explain. 
A. 20-Oct, B. 200-400, C. 50-60, D. 80-100
A: 20-Oct
Answer: A: 20-Oct 
Explanation: About 1 golgi tendon organ is responsible for 10 to 20 extrafusal fibers Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:689