CPC Study - Senses
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| How many layers does the eye have? Name them. | 3.
Cornea (Outer), Choroid (middle), Retina (Inner).
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| What is the white of the eye called? | Sclera
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| The cornea is avascular. What is it nourished by? | Sclera
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| Which layer of the eye is the pigment layer? | Choroid
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| Which layer of the eye contains rods and cones? | Retina
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| Rods provide: | Night and peripheral vision
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| Cones Provide: | Day and color vision
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| This is a contiguous layer that covers the front of the sclera and lines the eyelid: | Conjunctiva
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| Where is the lens located? | Behind the pupil
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| What connects the lens to the ciliary body? | zonules
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| What causes the lens to change shape and refract light rays? | Ciliary Body Muscles
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| The two fluids found in the eye are: | Aqueous Humor, Vitreous Humor
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| This liquid is found in front of the lens: | Aqueous Humor
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| This gel-like substance fills the space behind the lens and maintains the shape of the eyeball: | Vitreous Humor
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| This conducts light rays from the eye to the brain: | Optic nerve
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| The Path of a light ray from cornea to cerebral cortex: | cornea - anterior chamber - pupil - lens - posterior chamber - retina - optic nerve fibers - optic chiasm - thalamus - cerebral cortex
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| How many divisions does the ear have? Name them. | 3.
External, Middle, Inner (Labyrinth).
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| Where do soundwaves enter the ear? | Auricle (Pinna)
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| What is the tunnel from the auricle to the middle ear called? | External auditory canal
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| Name the ossicles of the middle ear: | Malleus, Incus, Stapes
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| What part of the ear contains the tympanic membrane? | Middle Ear
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| What tube leads from the Middle Ear to the Pharynx? | Eustachian Tube
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| Another name for Inner Ear | Labyrinth
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| What is the auditory receptor area of the inner ear? | Organ of Corti
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| The path of a soundwave from Pinna to Cerebral Cortex: | Pinna - External Auditory Canal - Tympanic Membrane - Malleus - Incus - Stapes - Oval Window - Cochlea - Organ of Corti - Auditory Nerve - Cerebral Cortex
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| Cranial nerve that controls sense of smell: | I
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| Cranial nerves that control sense of taste: | VII, IX
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| What portion of the tongue contains the taste buds? | Anterior
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| What do mechanoreceptors react to? | Touch and pressure
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| Meissner corpuscles react to: | Touch
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| Pacinian corpuscles react to: | Pressure
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| Proprioceptors regulate: | Position and orientation
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| Vestibular nystagmus and vertigo are dysfunctions of these receptors: | Proprioceptors
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| What do thermoreceptors sense? | temperature changes
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| What do nociceptors react to? | pain
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| What does the anterior segment of the eye contain? | Lens, orbit, extraocular muscles, eyelid
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| Apicectomy | Excision of a portion of the temporal bone
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| Astigmatism | Condition in which refractive surfaces of the eye are unequal
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| Aural Atresia | Congenital absence of external auditory canal
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| Blepharitis | Inflammation of eyelid
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| Cataract | Opaque covering on or in lens
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| Chalazion | Granuloma around sebaceous gland
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| Dacryocystitis | Blocked, inflamed infection of nasolacrimal duct
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| Dacryostenosis | Narrowing of lacrimal duct
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| Ectropion | Eversion of eyelid (outward sagging)
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| Entropion | Inversion of eyelid (lashes rubbing cornea)
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| Enucleation | Removal of an organ or organs from a body cavity
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| Episclera | Connective covering of sclera
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| Exenteration | Removal of an organ all in one piece
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| Exophthalmos | Protrusion of eyeball
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| Exostosis | Bony growth
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| Fenestration | Creation of a new opening in inner wall of middle ear
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| Glaucoma | Eye diseases characterized by an increase of intraocular pressure causing damage to the optic nerve
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| Hordeolum | Stye (infection of sebaceous gland)
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| Hyperopia | Farsightedness (eyeball too short from back to front)
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| Keratomalacia | Softening of cornea (assc. with Vitamin A deficiency)
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| Keratoplasty | Surgical repair of the cornea
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| labyrinthitis | Inner ear inflammation
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| Lacrimal | related to tears
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| Mastoidectomy | Removal of mastoid bone
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| Meniere's Disease | Condition that causes dizziness, ringing in ears, deafness
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| Myopia | Nearsightedness (eyeball too long from front to back)
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| Myringotomy | Incision into tympanic membrane
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| Ocular Adnexa | Orbit, extraocular muscles, eyelid
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| Ophthalmoscopy | Examination of the interior of the eye using a scope
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| Funduscopy is another name for: | ophthalmoscopy
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| Otitis Media | inflammation of middle ear
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| What are the two types of otitis media? | serous (not purulent), suppurative (purulent)
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| What are you examining if you are using an otoscope? | the ear
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| Papilledema | swelling of optic disc
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| Ptosis | Drooping of upper eyelid
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| Tarsorrhaphy | Suturing of eyelids together
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| Tinnitus | Ringing in the ears
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| Tympanolysis | Freeing of adhesions of the tympanic membrane
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| Tympanometry | Test of the middle ear using air pressure
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| Tympanostomy | Insertion of ventilation tube into tympanum
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| Uvea | Vascular tissue of the choroid, ciliary body, iris
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| Xanthelasma | Yellow plaque on eyelid (lipid disorder)
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| This is an irregular curvature of refractive surfaces of the eye: | Astigmatism
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| Diplopia | Double vision
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| Amblyopia | Dimness of vision w/o organic lesion
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| What kind of lens is used to treat hyperopia? | convex lens
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| What kind of lens is used to treat Myopia? | concave lens
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| What kind of lens is used to treat astigmatism? | cylindrical lens
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| This is age-related farsightedness: | presbyopia
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| Nystagmus | Rapid, involuntary eye movements
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| The two most common types of nystagmus are: | vestibular nystagmus, rhythmic eye movements
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| Strabismus | cross-eyed
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| Hypotrophia | downward deviation of one eye
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| Hypertrophia | upward deviation of one eye
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| Estrophia | one eye turns inward
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| Exotropia | one eye turns outward
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| Pink Eye (inflammation of conjunctival lining of eyelid or covering of sclera) is also known as: | conjunctivitis
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| Another name for hordeolum | stye
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| Usual cause of hordeolum: | Staphylococcus
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| Keratitis | corneal inflammation
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| What causes keratitis? | herpes simplex virus
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| This is the destruction of fovea centralis: | Macular Degeneration
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| Fovea centralis | small pit in the center of the retina
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| Name the 2 types of macular degeneration: | Wet (leaking blood vessels near macula) and Dry (atrophy and degeneration of retinal cells and deposits of drusen)
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| These are clumps of extracellular waste: | drusen
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| Detached Retina | retinal tear - two layers separate from each other
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| What is the final result of a detached retina? | blindness
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| A scleral buckle is a treatment for: | large retinal detachment
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| Blurring vision and halos around lights are symptoms of: | cataracts
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| This is an accumulation of intraocular aqueous humor: | glaucoma
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| Two types of glaucoma: | narrow angle (acute) and chronic
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| Chronic glaucoma is also known as: | wide-angle or open-angle glaucoma
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| This type of ear infection often occurs in children in combination with URI: | otitis media
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| Otitis Externa | infection of external auditory canal and pinna (exterior ear)
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| Swimmer's Ear is also known as: | otitis externa
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| Three names for hearing loss due to defect of sound-conducting apparatus: | conductive hearing loss, transmission hearing loss, conduction deafness
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| Hearing loss due to a lesion of cochlea or central neural pathways is known as: | sensorineural hearing loss
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| Sensorineural hearing loss is also known as: | perception deafness
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| 2 divisions of perception deafness: | cochlear, retrocochlear
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| Presbycusis | age-related sensorineural hearing loss
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| This is the most common cause of vertigo: | Meniere's Disease
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| More common name for idiopathic endolymphatic hydrops | Meniere's Disease
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| Gustatory | taste
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