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: Anatomy
Neuro-epithelium type of sensory receptors are present in the following system except: 
Select and explain. 
A. Visual, B. Auditory, C. Gustatory, D. Olfactory
B: Auditory
Answer: B: Auditory 
Explanation: B i.e. Auditory - Olfactory (smell) epithelium is a neuro-epithelial receptorQ (definite); visual (rod & cones) & taste buds are doubtful (+-); not included by Gray's & many books) neuro epithelial receptors.Merkel epidermal cells, auditory receptors and taste buds (gustatory cells)Q are definite examples of epithelial receptors.