Which of the following represents the olfactory pathway from the nose to the brain?
A) olfactory receptor thalamus insula cortex
B) olfactory bulb olfactory nerve thalamus cortex
C) olfactory receptor olfactory nerve amygdala hippocampus
D) olfactory receptor olfactory nerve olfactory bulb cortex

Question

Which of the following represents the olfactory pathway from the nose to the brain?
A) olfactory receptor > thalamus > insula > cortex
B) olfactory bulb > olfactory nerve > thalamus > cortex
C) olfactory receptor > olfactory nerve > amygdala > hippocampus
D) olfactory receptor > olfactory nerve > olfactory bulb > cortex

Quizplus · Accepted Answer

The olfactory receptor cells in the nose send signals through the olfactory nerves to the olfactory bulb in the brain. The olfactory bulb then sends signals to the cortex for processing of smell. This is represented in choice D. The thalamus and other brain regions listed in the other options may play a role in processing smell, but they are not part of the primary olfactory pathway.

Which of the Following Represents the Olfactory Pathway from the Nose