Which of the Following Statements Does Not Correctly Describe the Spiral

Multiple Choice

Which of the following statements does not correctly describe the spiral organ?

A) High-frequency sounds stimulate hair cells at the basal end of the basilar membrane.
B) The "hairs" of the receptor cells are embedded in the tectorial membrane.
C) The spiral organ is part of the cochlear duct, which is also called the scala media.
D) The tectorial membrane bends with vibrations, whereas the basilar membrane is rigid and fixed.