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ANAT & PHYS I: SENSE

ANAT & PHYS I: THE SENSES

QuestionAnswer
Taste is strongly influenced by ______ and stimulation of thermoreceptors, ______, ______ smell, mechanoreceptors, and nociceptors
Pathway of light entering the eye: cornea, ____, _____, _______, and the neural layer of the retina to the photoreceptors aqueous humor, lens, vitreous humor,
Middle Ear (Tympanic Cavity) is Flanked laterally by the _____ and medially by the ______ and _______. eardrum, oval and round windows
connects the middle ear to the nasopharynx Pharyngotympanic tube
middle ear inflammation; common result of a sore throat. Most frequent cause of hearing loss in children Otitis media
a labyrinth disorder that causes a person to suffer repeated attacks of vertigo, nausea, and vomiting Meniere’s syndrome
For a chemical to be tasted it must be dissolved in ______, move into the ______, and contact the _____. saliva, taste pore,gustatory hairs
a refractive error causing the light rays entering the eye to be focused irregularly on the retina due to an abnormally shaped cornea. It causes blurred vision and discomfort. Astigmatism
occurs when objects focus in front of the retina and results in seeing close objects without a problem but distance objects are blurred. Myopia, or nearsightedness
occurs when objects are focused behind the retina and results in seeing distance objects clearly but close objects are blurred. Hyperopia or farsightedness
the lens in the eye becomes progressively cloudy losing its normal transparency and thus altering the perception of images due to the interference of light transmission to the retina. Cataract
Light adaptation occurs when we move from darkness into bright light. Retinal sensitivity _____ dramatically and the retinal neurons switch from the ____ to the ______ system. decreases,rod, cone
Dark adaptation occurs when we go from a well-lit area into a dark one. The ____ stop functioning and the ____ starts to accumulate in the rods increasing retinal sensitivity. cones, rhodopsin
Olfactory receptor cells are unique because they are one of the few types of neurons that undergo mitosis
The organ of smell is the olfactory epithelium, which covers the_______ which contains olfactory receptor cells superior nasal concha
70% of all sensory receptors are in the eye
Created by: ascpstudent100