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
Regarding Golgi tendon organ true isa) Senses dynamic length of muscleb) Involved in reciprocal innervationc) α-motor neuron stimulationd) Senses muscle tension 
Select and explain. 
A. bd, B. d, C. ab, D. ac
A: bd
Answer: A: bd 
Explanation: Reciprocal innervation is seen in
-        Stretch reflex- Reciprocal inhibition
 
-        Golgi tendon organ reflex- Reciprocal excitation