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40 Cards in this Set
- Front
- Back
The oily secretions that lubricate the eye are produced by the: |
Tarsal glands |
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Tarsal glands associated with the edges of the eyelids are considered modified: |
Sebaceous glands |
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The highly contagious bacterial infection known as "pinkeye" is caused by bacterial or viral irritation of the: |
Conjunctiva |
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Tears are produced by the lacrimal glands that are located: |
Above the lateral canthus of each eye |
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Which one of the following is NOT true about lysozyme secretion around the eye surfaces: |
It stimulates the rods and cones |
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Inflammation of the conjunctiva involves which of the following: |
Delicate membrane lining the eyelids and covering the front of the eyeball |
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The fibrous outermost tunic seen anteriorily as the "white of the eye" is the: |
Sclera |
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The transparent central anterior portion of the sclera through which light enters the eye is called the: |
Cornea |
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The middle coat of the eyeball that contains pigment which prevents light from scattering in the eyeball is the: |
Choroid |
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The "blind spot" where no photreceptor cells are present is located at the: |
Optic Disc |
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The pigmented portion of the eye that has a rounded opening through which light passes is the: |
Iris |
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The three sets of color receptors within the retina are sensitive to wavelengths of visible light that are: |
Blue,green, and red |
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The grates visual acuity is found at the: |
Fovea centralis |
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Cataracts cause hazy vision and possible eventual blindness from changes in the: |
Lens |
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Which one of the following is NOT true of color blindness: |
It occurs most often in women |
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The gel-like substance that reinforces the eyeball and prevents it from collapsing inward is the: |
Vitreous humor |
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Accommodation is: |
Adjustment of the thickness of the lens during vision of close objects |
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Which one of the following is NOT a refracting portion of the eye: |
Iris |
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The reflexive movement of the eye medially when viewing close objects is called: |
Convergence |
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Which one of the following correctly lists the order of the parts through which light passes as it enters the eye: |
Cornea,Aqueous,humor,lens,vitreous humor |
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Receptors stimulated by the physical forces that cause movement of fluid or vibrations within the body: |
Mechanoreceptors |
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Sound waves entering the external auditory canal hit the eardrum, also known as the: |
Tympanic membrane |
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Hair cells that function as hearing receptors are located within the: |
Organ of corti |
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The three auditory ossicles that transmit vibratory motion are located within the: |
Middle ear |
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The stapes (also called the stirrup) transmits vibrations into the inner ear through the: |
Oval window |
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An ear infection following an illness such as a cold has passed from the throat through the auditory tube to the: |
Middle ear |
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The auditory ossicle called the "anvil" is also called the: |
Incus |
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Which one of the following is NOT part of the inner ear? |
Ossicle |
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The plasma-like fluid between the osseous and membranous labyrinths of the ear is the: |
Perilymph |
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Hearing receptors within the organ of Corti are called: |
Hair cells |
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The portion of the bony labyrinth responsible for static equilibrium is the: |
Vestibule |
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Which one of the following is NOT important in providing information information used to control balance by the cerebellum: |
Fusion of the ossicles |
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Receptors for taste and olfaction are classified as: |
Chemoreceptors |
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Which one of the following is NOT a primary taste sensation: |
Pungent |
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Which one of the following is NOT found on the dorsal tongue surface: |
Maculary papillae |
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Which one of the following cranial nerves is NOT involved in either taste or smell: |
Vestibular (VIII) |
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Stimulation of salty receptors occurs in response to: |
Mental ions in solution |
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The congenital condition of "crossed eyes" is also known as: |
Stabismus |
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The decreased lens elasticity associated with aging that makes it difficult to focus on near objects is known as: |
Presbyopia |
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The only special sense that is NOT fully functional at birth is: |
Vision |