This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
Which type of sensory receptor provides information about the force of muscle contraction? 
Select and explain. 
A. Nuclear bag fiber, B. Nuclear chain fiber, C. Golgi tendon organ, D. Bare nerve ending
C: Golgi tendon organ
Answer: C: Golgi tendon organ 
Explanation: GOLGI TENDON ORGAN - receptor for inverse stretch reflex (3-25 muscle fibres / tendon organ ) are in series with muscle fibres