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