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sense

sensory

questAns
A specialized area of the sensory neuron that detects a specific stimulus receptor
Types of sensory receptors chemoreceptors, pain receptors, thermoreceptors, mechanoreceptors, photoreceptors
What are the 4 components involved in the perception of a sensation stimulus, receptor, sensory nerve, special area of the brain
The process by which the brain, after receiving a sensation, refers that sensation back to its source projection
the sense of orientation or position proprioception
two important of charcteristic of sensation Projection and adaptation
Gustatory sense sense of taste
What is the cause of phantom limb? The severed nerve endings of the amputated limb continue to send sensory information to the parietal lobe of the brain.
A patient equipt c articial limb It will help pt to overcome phantom limb
Nearsightedness myopia
farsightedness hyperopia
The 3 parts of the ear external, middle ear, and inner ear
The inner ear structure concerned with hearing cochlea
The four basic taste sensations sweet, salty, sour, and bitter
The muscle of the eye that controls the size of the pupil intrinsic eye muscle
the cranial nerve II optic nerve
type of receptors for touch and pressure mechanoreceptors
Receptor for heat and cold thermoreceptors
The receptors for balance mechanoreceptors,the ear
The middle ear has a passageway connecting it to the pharynx or throat eustachian tube
The photoreceptors for color vision cones
The photoreceptors for night vision rods
You see an object, hear a voice, or feel pain because the sensory information has stimulated a part of the brain Special area of the brain.
The blood ss to a visceral organ is diminished ischemia
when pain feel as it is coming from the area other than the site where it originates? Referred pain
What stimulate the pain receptor? Not well understood
Pain trigger 1. tissue injury releases a certain chemical that stimulate pain receptor. 2. deficiency of oxygen. 3. tissues are stretch or deformed.
WHy is pain originating in the heart often experience in the shoulderand left arm? due to shared sensory nerve pathways.
Tactile receptors also called mechanoreceptors
Mechanoreceptors are numerous found in where? lips, at the tip of the fingers, toes, tongue, penis, and clitoris
Snellen Chart Is a chart that used by eye prof. to measure visual acuity
Eye Score 20/20 on snellen chart means Normal eye.
Score eye 20/40 snellen chart means Can see at 20 ft when normal eye can see at 40 ft.
Score 20/200 means Severely impaired vision ore legall blind.
Olfactory sensory Is associated w/ sensory structure located in the upper nose and classified as Chemoreceptor.
Conjunctiva Is a mucous membrane that lines in the innersurface of the eye lid
What is ciliary muscle? A site of intrinsic eye muscle or muscle of the eye.
2 fctns of ciliary body Secrete aqueos humor and gives rise to a set of intrinsic eye muscle..
What is the sense of taste Gustatory sense
How to administer ear drops on adult? Adm ear drops on adult and >3 yrs old child is turn head and affected side up;pull ear lobe upward and back to straiten external auditory canal;give drops without touching ear with dropper.
How to adm ear drops on child? Adm ear drops on child < 3 years old, turn head with affected side up;pull earlobe downward and back ; instill ear drops without touching ear with droppers.
How to adm eye drops Expose lower eye conjunctival sac by having pt look upward while gentle traction is applied to lower eye lid;put prescribed # of drops into conjunctival sac, and not into eyeball.
Ciliary body The circumferential tissue inside the eye.
Vitrous humour The posterior cavity filled w/ gel like substance.
Cataract A cloudy of the lens.
How do you move yr eyes? The extrincics eye muscle move the eye ball in its bony orbit. The intrinsic eye muscle move the strctr in the eye ball.
Iris The most anterior portion of the choroid
Choroid The middle layer of the eye
Cerumen A yellowish waxy substance known as earwax.
Sense of balance Semy circular canals of the ear OR Vestibulecochlea.
3 layers of the eye Schelera, choroid, and the retina.
Two group of sense General and special senses
Taste bud special organ of taste
General sense pain, touch, pressure, temperature and proprioception
special sense Smell, taste, sight, hearing and balance.
Refraction of the eye Myopia (near) and hyperopia(far)
Astigmatism Refers to an abnormal curvature of the cornea or lens
The strctr of the ear external, middle, inner ear.
3 tiny bones in the middle ear Maleus, incus and stapes
Rods Night vision
Cone color vision
Early stage of cataract Blur vision
Glaucoma An elevated intra ocular pressure of the eye.
What is normal intraoccular pressure Ranges between 12 mmhg -22 mmhg.
Macula degeneration is athrophy or macula deterioration. The person may loss central vision but still has pripheral vision.
To test glaucoma use Tonometry
What are glaucoma med? Atropine (midriatic and local anastesia for the eye;o.), pilocar/isoptocarpine(miotic=antiglaucoma agents)
Otoschelerosis : is a metabolic imbalance condition that causes new bone to grow over the end of the stapes, where it connects to the cochlea.. The oscicle normally hard, but over time the bone becomes sft, spongy, highly vascular and partially or totally fixed.
Diagnostic test for otoschelerosis weber and rinnie tuning fork test
Surgical for otschelerosi Stapedoctomy
treatment for Otoschelerosis three options= 1. do nothing 2. use earing aid 3. Stapedoctomy.
Encepalitis Inflammation of the brain
Meningitis inflammation of the meninges
Huntington disease or chorea is a chronic, progressive hereditary disease of NS
The most common cause of encephalitis or meningitis virus, bacteria,fungi or parasites.
Created by: Marianib
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