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