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Senses_exam
senses system
| Question | Answer |
|---|---|
| what 3 things do free nerve endings feel | pain, heat, cold |
| what 2 things do encapsulated nerve endings feel | touch & pressure |
| what are the 2 types of visceral sensations | hunger & thirst |
| which visceral sensation diminishes & goes away if you ignore it | hunger |
| which visceral sensation does not diminish and gets worse if you ignore it | thirst |
| pain of a heart attack is felt in the left shoulder - what is this an example of | referred pain |
| what visual receptors in your eye detect light | rods |
| what visual receptors in your eye detect color | cones |
| define refraction | bending a light ray as it passes from one object to another |
| what is the first part of the eye that actually refracts light | cornea |
| you have 2 types of liquid in the eye - what do you call the liquid in the anterior chamber | aqueous humor - has nutrients in it |
| what do you call the liquid in the posterior chamber | vitreous humor - holds the retina in place |
| what is the name of the structure where the acqueous humor liquid is reabsorbed | canal of schlemm |
| what is the colored portion of the eye called and what causes it | iris caused by genetics |
| what controls the size of your pupil | iris |
| what part of the macula only contains cones | fovea |
| what lobe in the brain contains sensory areas for vision | occipital |
| where are the receptors for hearing located | organ of corti that is found in the cochlea |
| which bone transports vibration to the fluid in the inner ear at the oval window | stapes |
| the utricle & saccule are 2 membranes located in what area of the semicircular canals | vestibule |
| what main structure in the ear provides information to the brain when the body is in motion | semicircular canals |
| a diagnostic test used to indirectly measure intraocular pressure is called | tonometry |
| when we do a visual field test what 2 types of vision should be always evaluated | central vision & peripheral vision |
| what is a chalazion | small painless swelling on the edge of the eyelid |
| if we remove fluid & surgically insert a tube into the tympanic membrane for treating otitis media - what is the procedure called | myringotomy |
| ringing or buzzing in the ear is known as | tinnitus |
| hearing loss is categorized in what 2 ways | sensorineural hearing loss & conductive hearing loss |
| what happens in conductive hearing loss | the vibrations are not being transmitted |
| what happens in sensorineural loss | the nerve impulses are not being transmitted |
| what is pupillary sensory reflex | reducing amt of light to retina to protect it & allows for better close vision |
| the most common primary malignancy in the eyes of a child is called | retinoblastoma |
| glaucoma is damage to the optic nerve & is often caused by an elevation of | intraocular pressure |
| what does tympanic membrane (eardrum) doe | stretches across canal & vibrates from sound waves |
| name the 3 auditory bones | malleus, incus, stapes |
| what is normal eye refraction | light rays enter eye & are focused on retina on poterior portion |
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pmm
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