The Senses trivia
The Senses Mini Quiz
Test your knowledge with these top questions!
What does the cochlea convert into electrical signals for the brain?
Hair cells in the organ of Corti turn sound-driven mechanical motion into electrical signals carried by the auditory nerve.
What role does the olfactory bulb play in smelling?
The olfactory bulb receives axons from olfactory receptor neurons and begins processing odor information.
Where does the cochlea respond most strongly to high-frequency sounds?
The basilar membrane is stiff and narrow at the base, so high frequencies peak there; low frequencies peak near the wider, flexible apex.
Which pathway carries olfactory-bulb output toward the cerebral cortex?
The olfactory tract carries bulb output to primary olfactory areas and other forebrain regions.
Taste buds detect many food chemicals after the chemicals dissolve in what?
Saliva dissolves tastants and carries them into taste pores, where receptor cells can detect them.
What happens when many taste-bud receptor cells wear out?
Basal cells generate replacement taste receptor cells as older cells die.
Which cells in the retina detect dim light for night vision?
Rods respond to very low light, while cones work best in brighter conditions and support color vision.
Which cochlear structure houses the sensory hair cells for hearing?
The organ of Corti rests on the basilar membrane and contains inner and outer hair cells that detect vibrations.
The olfactory bulb receives odor signals from which cells?
Olfactory receptor neurons sit in the nasal epithelium and send axons through the cribriform plate to the bulb.
Which retinal feature creates the eye's natural blind spot?
The optic disc is where the optic nerve exits the eye, leaving the optic disc without photoreceptors.