This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
All of the following are true about ear ossicles except 
Select and explain. 
A. Give the eardrum mechanical advantage lever action, B. Transmit vibrations from tympanic membrane to inner ear, C. The muscles are highly developed like in bats for echolocation, D. Are controlled by muscles as pa of the accoustic reflex
C: The muscles are highly developed like in bats for echolocation
Answer: C: The muscles are highly developed like in bats for echolocation 
Explanation: Middle ear transmits sound waves from the external ear to internal ear through the chain of ear ossicles and thus transforms the air-borne vibrations from the tympanic membrane to liquid-borne vibrations in the internal ear The intensity of the soundwaves is increased ten times by the ossicles.It may be noted that the frequency of sound does not change. Ref BDC volume 3,6th edition pg 281