Chapter 15 Special Senses Test

A condition of deafness that may result from otosclerosis. A. Conduction deafness B. Glaucoma C. Night Blindness

A. Conduction deafness

The structure most responsible for focusing light rays that enter the eye. A. Lens B. Retina C. Forvea centeralis D. Aqueous humor

A. Lens

Ear stones. A. Otoliths B. Tympanic membrane C. Pharyngotympanic tube D. Vestibule

A. Otoliths

Chemically sensitive microvilli found in this structure. A. Taste buds B. Crista ampullaris C. Macula D. Olfactory epithelium

A. Taste buds

A possible side effect of medications such as aspirin. A. Tinnitus B. Conduction deafness C. Sensorineural deafness

A. Tinnitus

The central part of the bony labyrinth. A. Vestibule B. Tympanic membrane

A. Vestibule

What is the main function of the rods in the eye? A. Vision in dim light B. Depth perception C. color vision D. accommodation for near vision

A. Vision in dim light

What structure regulates the amount of light passing to the visual receptors of the eye? A. iris B. lens C. cornea D. aqueous humor

A. iris

What prevents the eyelids from sticking together when the eyes close? A. ciliary gland secretions B tarsal gland secretions C. Conjunctival fluid D. lacrimal fliud

B tarsal gland secretions

Can result from impacted cerumen. A. Tinnitus B. Conduction deafness C. Sensorineural deafness

B. Conduction deafness

Can result from the fusion of auditory ossicles. A. Tinnitus B. Conduction deafness C. Sensorineural deafness

B. Conduction deafness

Hair cells receptive to changes in dynamic equilibrium are found in this structure A. Taste buds B. Crista ampullaris C. Macula D. Olfactory epithelium

B. Crista ampullaris

A condition often leading to blindness due to increased intraocular pressure. A. Conduction deafness B. Glaucoma C. Night Blindness

B. Glaucoma

The sensory layer of the eye. A. Lens B. Retina C. Forvea centeralis D. Aqueous humor

B. Retina

A membrane that transmits sound vibrations to the auditory ossicles. A. Vestibule B. Tympanic membrane

B. Tympanic membrane

Separates the external acoustic meatus from the middle ear. A. Otoliths B. Tympanic membrane C. Pharyngotympanic tube D. Vestibule

B. Tympanic membrane

Light passes through the following structures in which order? A. cornea, vitreous humor, lens, aqueous humor B. cornea, aqueous humor, lens, vitreous humor, C. vitreous humor, lens, aqueous humor, cornea, D. aqueous humor, cornea, lens, vitreous humor,

B. cornea, aqueous humor, lens, vitreous humor,

Ordinarily, it is not possible to transplant tissues from one person to another, yet corneas can be transplanted without tissue rejection. This is because the cornea ___. A. is not a living tissue B. has no blood supply C. does not contain connective tissue D had no nerve supply

B. has no blood supply

Motion sickness seems to ____. A. result from activation of nausea centers in the brain stem B. result from mismatch between visual and vestibular inputs C. respond best to medication that "boosts" vestibular inputs D respond best to medication taken after salivation and pallor begins.

B. result from mismatch between visual and vestibular inputs

Olfactory cells and taste buds are normally stimulated by ___. A. stretching of the receptor cells B. substances in solution C. movement of a cupula D. the movement of otoliths

B. substances in solution

The blind spot of the eye is where ___. A. more rods than cones are found B. the optic nerve leaves the eye C. the macula lutea is located D. only cones occur

B. the optic nerve leaves the eye

Area of greatest visual acuity. A. Lens B. Retina C. Forvea centeralis D. Aqueous humor

C. Forvea centeralis

Hair cells receptive to changes in static equilibrium are found in this structure. A .Taste buds B. Crista ampullaris C. Macula D. Olfactory epithelium

C. Macula

Condition that can result from a deficiency in vitamin A. A. Conduction deafness B. Glaucoma C. Night Blindness

C. Night Blindness

Connects the middle ear with the nasopharynx A. Otoliths B. Tympanic membrane C. Pharyngotympanic tube D. Vestibule

C. Pharyngotympanic tube

Loss of hearing resulting from prolonged exposure to high-intensity sounds. A. Tinnitus B. Conduction deafness C. Sensorineural deafness

C. Sensorineural deafness

Receptors for hearing are located in the___. A. Tympanic membrane B. Vestibule C. cochlea D. semicircular canals

C. cochlea

Which of the following structures is NOT part of the external ear. A. External acoustic meatus B. Pinna C. Tympanic membrane D pharyngotympanic tube

D pharyngotympanic tube

Helps maintain the intraocular pressure; located in the anterior part of the eye. A. Lens B. Retina C. Forvea centeralis D. Aqueous humor

D. Aqueous humor

The eye muscle that elevates and turns the eye laterally is the the ___. A. medial rectus B. superior oblique C. lateral rectus D. Inferior oblique

D. Inferior oblique

Chemically sensitive cilia found in this structure. A. Taste buds B. Crista ampullaris C. Macula D. Olfactory epithelium

D. Olfactory epithelium

Contains Utricle and saccule A. Otoliths B. Tympanic membrane C. Pharyngotympanic tube D. Vestibule

D. Vestibule

Detects linear acceleration. A. Otoliths B. Tympanic membrane C. Pharyngotympanic tube D. Vestibule

D. Vestibule

T/F Ciliary muscles are a type of skeletal muscle.

F

T/F Static equilibrium involves linear acceleration as well as changes in head rotation.

F

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

F

T/F The bending of light rays is called reflection.

F

T/F The fluid contained within the membranous labyrinth is called perilymph.

F

T/F The neural layer of the retina prevents excessive scattering of light within the eye.

F

T/F The structure that allows equalization of the pressure in the middle ear with that outside the body is the external auditory meatus.

F

T/F Vitamin D needed by the photoreceptor cells is stored by the cells of the retina pigmented layer.

F

T/F contraction of the ciliary muscle causes the lens to bend the light less.

F

T/F The extrinsic eye muscle motor unit contains only 8 - 12 muscle cells and in some cases as few as 2 - 3 muscle cells.

T

T/F The function of the lens of the eye is to allow precise focusing of light on the retina.

T

T/F The mucous membrane that lines the eyelids and is reflected over the anterior surface of the eyeball is the conjunctiva.

T

T/F The optic disc is the location where the o[tic nerve leaves the eyeball.

T

T/F The photo receptor cells are sensitive to damage from light

T

1-13 are picture questions

so look at your test!