AP Psychology Exam Prep

Answer: C - The sense of smell is initiated from the stimulation of the olfactory receptors in the nose.
Key Takeaway: Olfaction or the sense of smell is another example of chemoreception. Olfactory sensory receptors are found in the nasal cavity where the molecules of the odor dissolve. Once they dissolve, a message is sent to the brain from these receptors for interpretation. A minimum amount of odor is necessary for these olfactory receptors to detect.