Chapter 8 Special Senses

Front 1

The oily secretions that lubricate the eye are produced by the:

Back 1

Tarsal glands

Front 2

Tarsal glands associated with the edges of the eyelids are considered modified:

Back 2

Sebaceous glands

Front 3

The highly contagious bacterial infection known as "pinkeye" is caused by bacterial or viral irritation of the:

Back 3

Conjunctiva

Front 4

Tears are produced by the lacrimal glands that are located:

Back 4

Above the lateral canthus of each eye

Front 5

Which one of the following is NOT true about lysozyme secretion around the eye surfaces:

Back 5

It stimulates the rods and cones

Front 6

Inflammation of the conjunctiva involves which of the following:

Back 6

Delicate membrane lining the eyelids and covering the front of the eyeball

Front 7

The fibrous outermost tunic seen anteriorily as the "white of the eye" is the:

Back 7

Sclera

Front 8

The transparent central anterior portion of the sclera through which light enters the eye is called the:

Back 8

Cornea

Front 9

The middle coat of the eyeball that contains pigment which prevents light from scattering in the eyeball is the:

Back 9

Choroid

Front 10

The "blind spot" where no photreceptor cells are present is located at the:

Back 10

Optic Disc

Front 11

The pigmented portion of the eye that has a rounded opening through which light passes is the:

Back 11

Iris

Front 12

The three sets of color receptors within the retina are sensitive to wavelengths of visible light that are:

Back 12

Blue,green, and red

Front 13

The grates visual acuity is found at the:

Back 13

Fovea centralis

Front 14

Cataracts cause hazy vision and possible eventual blindness from changes in the:

Back 14

Lens

Front 15

Which one of the following is NOT true of color blindness:

Back 15

It occurs most often in women

Front 16

The gel-like substance that reinforces the eyeball and prevents it from collapsing inward is the:

Back 16

Vitreous humor

Front 17

Accommodation is:

Back 17

Adjustment of the thickness of the lens during vision of close objects

Front 18

Which one of the following is NOT a refracting portion of the eye:

Back 18

Iris

Front 19

The reflexive movement of the eye medially when viewing close objects is called:

Back 19

Convergence

Front 20

Which one of the following correctly lists the order of the parts through which light passes as it enters the eye:

Back 20

Cornea,Aqueous,humor,lens,vitreous humor

Front 21

Receptors stimulated by the physical forces that cause movement of fluid or vibrations within the body:

Back 21

Mechanoreceptors

Front 22

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

Back 22

Tympanic membrane

Front 23

Hair cells that function as hearing receptors are located within the:

Back 23

Organ of corti

Front 24

The three auditory ossicles that transmit vibratory motion are located within the:

Back 24

Middle ear

Front 25

The stapes (also called the stirrup) transmits vibrations into the inner ear through the:

Back 25

Oval window

Front 26

An ear infection following an illness such as a cold has passed from the throat through the auditory tube to the:

Back 26

Middle ear

Front 27

The auditory ossicle called the "anvil" is also called the:

Back 27

Incus

Front 28

Which one of the following is NOT part of the inner ear?

Back 28

Ossicle

Front 29

The plasma-like fluid between the osseous and membranous labyrinths of the ear is the:

Back 29

Perilymph

Front 30

Hearing receptors within the organ of Corti are called:

Back 30

Hair cells

Front 31

The portion of the bony labyrinth responsible for static equilibrium is the:

Back 31

Vestibule

Front 32

Which one of the following is NOT important in providing information information used to control balance by the cerebellum:

Back 32

Fusion of the ossicles

Front 33

Receptors for taste and olfaction are classified as:

Back 33

Chemoreceptors

Front 34

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

Back 34

Pungent

Front 35

Which one of the following is NOT found on the dorsal tongue surface:

Back 35

Maculary papillae

Front 36

Which one of the following cranial nerves is NOT involved in either taste or smell:

Back 36

Vestibular (VIII)

Front 37

Stimulation of salty receptors occurs in response to:

Back 37

Mental ions in solution

Front 38

The congenital condition of "crossed eyes" is also known as:

Back 38

Stabismus

Front 39

The decreased lens elasticity associated with aging that makes it difficult to focus on near objects is known as:

Back 39

Presbyopia

Front 40

The only special sense that is NOT fully functional at birth is:

Back 40

Vision