BIO 163 chapter 8 special sense quiz

Loss of the same side of the visual field of both eyes from damage to the visual cortex on one side only is called ________.

hemianopia

The auditory ossicle called the "anvil" is also known as the ________.

incus

The cochlea is indicated by ________.

Label B

The malleus (hammer) is indicated by ________.

Label E

The auricle (pinna) is indicated by ________.

Label F

The stapes (stirrup) is indicated by ________.

Label H

The tympanic membrane is indicated by

Label I

The overlapping of the two visual fields that provides for depth perception (3-D vision) results in ________.

binocular vision

Which one of the following nerves serves the anterior tongue

facial

The three cranial nerves that carry taste sensations to the brain are ________.

facial, glossopharyngeal, vagus

The greatest visual acuity is housed in the ________.

fovea centralis

The pupil is an opening within the ________.

iris

The ________ gland is located above the lateral end of each eye and releases tears.

lacrimal

Which of the external eye muscles is controlled by cranial nerve VI (abducens)?

lateral rectus

Stimulation of sour receptors occurs in response to ________.

lemons

What structure of the eye focuses light on the retina?

lens

Identify the pathway of vibrations as they travel from the tympanic membrane to the ossicles ________.

malleus, incus, stapes

Our sense of static equilibrium is created by the ________.

movement of otoliths along hair cells

The type of chemoreceptor responsible for our sense of smell is called a(n) ________.

olfactory receptor

The region of the optic nerve lacking photoreceptor cells is known as the ________.

optic disc (blind spot)

Select the pathway along which images received by the retina of the eye will travel into the brain ________.

optic nerve, optic chiasma, optic tracts, thalamus, optic radiation, occipital lobe

Tiny stones made of calcium salts that roll in response to changes in gravitational pull are called ________.

otoliths

The fusion of ear bones is known as ________.

otosclerosis

The age-related condition resulting from decreased lens elasticity is known as ________.

presbyopia

The function of the choroid layer of the eye is to ________.

prevent light from scattering inside the eye

Which one of the following is NOT a primary taste sensation?

pungent

The rounded opening of the iris through which light enters the eye is called the ________.

pupil

The innermost sensory layer of the eye that contains bipolar cells and ganglion cells is the ________.

retina

Which layer of the eye contains rods and cones?

retina

The fibrous covering of the eye consists of the white outer layer, known as the ________, and a transparent portion known as the ________.

sclera; cornea

Dynamic equilibrium receptors are found in the ________.

semicircular canals

Sensorineural deafness occurs when there is damage or degeneration of receptor cells of the ________.

spiral organ of Corti or cochlear nerve

"Crossed eyes" resulting from unequal control of the external eye muscles is called ________.

strabismus

The five taste sensations are ________.

sweet, sour, bitter, salty, umami

The external acoustic meatus (auditory canal) is a narrow chamber situated in the ________ bone.

temporal

The cochlear nerve transmits impulses to the auditory cortex located in the

temporal lobe

Sound waves entering the external auditory canal hit the eardrum, also known as the ________.

tympanic membrane

The structure that divides the outer ear from the middle ear is a membrane known as the ________.

tympanic membrane (ear drum)

The membrane that covers the outer surface of the eye and lines the eyelids is the ________.

conjunctiva