A&P Ch 9

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Connects the throat to the middle ear*

Auditory tube

Layer of the eye that keeps light from scattering in the eye

Choroid

Structures in the retina that are able to respond to color

Cones

Mucous membrane covering part of the sclera

Conjunctiva

Sometimes called the window of the eye

Cornea

Thicker fluid in the inner ear

Endolymph

Colored part of the eye

Iris

Structure that is changed in shape by ciliary muscles to facilitate focus of light*

Lens

Ossicle that rests against the eardrum

Malleus

Specific organ of hearing

Organ of Corti

Separates the middle ear from the inner ear

Oval window

Thinner fluid in the inner ear

Perilymph

Another term for the external ear

Pinna

Hole in the eye that lets light in*

Pupil

Innermost layer of the eye

Retina

Structures in the retina that respond in dim light

Rods

White of the eye

Sclera

Structure that gives us our sense of balance

Semicircular canal

Ossicle that rests against the oval window

Stapes

Which of the following is not true of a general sense organ?

They are grouped in a localized area.

Another term for the eardrum

Tympanic membrane

A condition where the lens of the eye becomes milky in appearance and loses its transparency is called:

a cataract

The sense of smell is classified as:

a chemoreceptor

The olfactory receptors:*

also assist in the sense of taste

The eardrum is:*

also called the tympanic membrane

The rods in the eye:*

are used to see in dim light

The external ear is called the:*

auricle aka pinna

Which of the following is not true about the senses of taste and smell?

both respond to four primary stimuli

The sense of taste is classified as a:

chemoreceptor

Which of the following is not part of the choroid layer?

cornea

Which sensation is not sensed by a general sense organ?

equilibrium

The part of the eye with the highest concentration of cones is the:

fovea centralis

An increase in pressure inside the eye is called:*

glaucoma

The cells responsible for the sense of taste are the:

gustatory cells

The perilymph is:

inside the bony labyrinth

Endolymph is:

inside the cochlea and inside the semicircular canals

The colored part of the eye is called the:

iris

Which of the following is not considered one of the layers of the eye?

iris

The pupil:

is a hole that lets light into the eye

The conjunctiva:*

is a mucous membrane covering part of the eye

The sense of balance:

is classified as a mechanoreceptor

The vitreous humor:

is found in the posterior chamber

The cornea:*

is the clear part of the sclera in the front of the eye

The sense of smell is able to stimulate vivid memories because the olfactory tract passes through the:

limbic

The sequence of the ossicles from the eardrum to the inner ear is:*

malleus, incus, stapes

The sense of hearing can be classified as a:*

mechanoreceptor

This is a functional characteristic of all sense organs:

must be able to detect a stimulus, must be able to detect a change in the intensity of the stimulus and must be able to change the stimulus into a nerve impulse

The "blind spot" of the eye is also called the:*

optic disc

The specific organ of hearing is called the:*

organ of Corti

An infection of the middle ear is called:

otitis media

The structure that separates the middle ear from the inner ear is the:*

oval window

The free nerve endings in the skin respond to:*

pain

The sense of sight can be classified as a:*

photoreceptor

The "farsightedness" of old age is called:*

presbyopia

The choroid layer:*

prevents the scattering of incoming light rays

The Golgi tendon receptors can be classified as:*

proprioceptors

The cones in the eye:*

respond to the colors red, green, and blue and are part of the retinal layer

The innermost layer of the eye is the:*

retina

The white part of the eye is called the:*

sclera

The sense of balance occurs in the:*

semicircular canals and the vestibule

The vestibular nerve contains a nerve from the:

semicircular canals and the vestibule

The sense of smell is:

sensitive, easily adapted and can respond to chemicals dissolved in water

Which sensation is not sensed by a special sense organ

smell, equilibrium, and the sense of taste

In the middle ear, the:

stapes rests against the oval window

The four taste sensations are

sweet, salty, bitter, sour

Which of the following sensations is generated by a special sense?

taste

General sense organs can be found in the highest concentration in:*

the skin

Which of the following sensations is generated by a general sense organ?

touch

The inner ear consists of three spaces, which are the:

vestibule, semicircular canals, and the cochlea


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