Exam 15: The Special Senses

In order for sound to reach the spiral organ (of Corti), the auditory ossicles must vibrate the oval window and set the endolymph in motion.

Damage to the medial rectus muscles would probably affect _.

The receptor membranes of gustatory cells are .

Which of the follow types of neurons are replaced throughout adult life?

Figure 15.3Using Figure 15.3, match the following: -Explain why a bad cold can result in food not tasting the same as it normally does.

Distinguish between the maculae and cristae ampullaris in terms of their sensory reception.

Figure 15.1Using Figure 15.1, match the following: -The apex of the cochlea hears sounds in the range of _ Hz.

In the optic the visual fields of the axons are all ipsilateral.

What prevents the eyelids from sticking together when the eyes close?

The tarsal plate of the eyelid .

The anterior chamber of the eye is filled with vitreous humor.

Figure 15.4Using Figure 15.4, match the following: -Stapes.

What is the pharyngotympanic tube and what is its purpose?

Ceruminous glands are _ .

Which of the following is not a characteristic of olfactory receptor cells?

Seventy percent of all sensory receptors are located in the .

Figure 15.4Using Figure 15.4, match the following: -What is the chemical composition of the rod pigment, rhodopsin, and how does it appear to act in the reception of light?

What is the main function of the rods in the eye?

The fluid contained within the membranous labyrinth is called perilymph.

Ling, a 75- year- old grandmother, complained that her vision was becoming obscured. Upon examination by an ophthalmologist she was told she had cataracts. What are they, how do they occur, and how are they treated?