Question

Given below is a diagrammatic cross-section of a single loop of the human cochlea.

Which one of the following options correctly represents the name of three different parts?

• A. A-Tectorial membrane B-Perilymph
  
  C-Secretory cells D-Endolymph
• B. A-Endolymph B-Sensory hair cells
  
  C-Serum D-Tectorial membrane
• C. A-Sensory hair cells B-Endolymph
  
  C-Tectorial membrane D-Perilymph
• D. A-Perilymph B-Tectorial membrane
  
  C-Endolymph D-Organ of Corti

Answer 1

Answer: (D)

The cochlea has three fluid filled sections. The perilymph fluid in the canals differs from the endolymph fluid in the cochlear duct. The organ of corti is the sensor of pressure variations.