Which of the Following Statements About Olfaction Is FALSE

question 52

Multiple Choice

Which of the following statements about olfaction is FALSE?

• A)Each olfactory receptor can bind multiple types of odorants.
• B)Each odorant can bind to multiple olfactory receptors.
• C)Once an odorant is bound to a receptor that receptor is desensitized and does not respond to another odor for a period of time.
• D)The threshold for detection of odors is extremely high so it takes quite a lot of odorants bound to an olfactory neuron to initiate an action potential.
• E)Olfaction is the only major sensation that is relayed directly to the cerebral cortex without first passing through the thalamus.

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