Exam 10: Sensory Physiology

Distinguish between adequate stimulus, threshold stimulus, and perceptual threshold.

The hair cell of the semicircular canal hyperpolarize when the stereocilia are bent

Match the specific receptor to its typical stimulus. -vibration

Because of involvement of the ________, pain may be accompanied by emotional distress and nausea or sweating.

Signal transduction in the type II taste cells relies on the G protein

With the exception of olfaction, all sensory pathways first travel to the ________, which acts as a relay and processing station.

Discuss the structure and function of the cochlea.

________ is released from type II cells to stimulate primary gustatory neurons.

The external auditory canal ends at the

________ is the fluid within the vestibular and tympanic duct of the cochlea.

The primary purpose of the middle ear bony structures (maleus, incus and stapes)is to

Tonic receptors

The structure that overlies the organ of Corti and is attached to the tips of the hair cells is the

The ion channels that transduce the vibration of the cochlea into receptor potentials are located on the

________ is the fluid contained in the membranous labyrinth (vestibular apparatus).

A decrease in the release of neurotransmitter from the photoreceptor would indicate a(n)

If a person's cornea is flatter than normal, this person is

Match the type of receptor with the appropriate description. -These receptors slowly adapt, and would be activated when the skin is between 20-40° C.

Match the specific receptor to its typical stimulus. -flutter

Sensory receptors that respond when body temperature is below normal are called