Flashcards in Chapter 12 Deck (67)
A balance disorder which causes a person to feel that they are going around in space and are extremely dizzy
A disorder cause by fusion of the bones of the middle ear (otosclerosis)
A constant ringing in the ears
The structure that helps equalize air pressure on the tympanic membrane (auditory tube)
A disorder caused by nonfunctional organs of Corti within the choclea
What is created when hair cells come in contact with the tectorial membrane?
What is the purpose of static equilibrium?
Sound waves directly cause what structure to vibrate?
Nonciceptors are receptors of _______.
Block the formation of chemicals that stimulate the nonciceptor
Responsible for vision in bright light
Responsible for vision in dim light
Changes the shape of the lens
Controls light entry into eyes
Focus light onto he retina
Central area of retina
Focusing of light rays behind the retina
Corrected by convex corrective lens
Fluid in the anterior cavity of the eye
Excess fluid pressure in the eye
Clouding of the lens and/or cornea
Lens that has lost its elasticity with age
Fluid in he posterior cavity of the eye
Irregular curvature of the lens or cornea
How many molecules of a substance need to be present in air to be smelled?
Only a few
How are taste and smell related?
Much of what we perceive as taste is actually smell