This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Special Senses: Smell and Taste, Subject name: Physiology
Receptor w hich itself is a dendrite of a nerve 
Select and explain. 
A. Visual, B. Gustatory, C. Olfactory, D. Hearing
C: Olfactory
Answer: C: Olfactory 
Explanation: (C) Olfactory > Olfactory Mucous Membrane contains supporting cells & progenitor cells for the olfactory receptors.> Interspersed between these cells are 10-20 million receptor cells.> Each olfactory receptor is a neuron & the olfactory mucous membrane is said to be the place in the body where the nervous system is closest to the external world.