Special Senses Drills Flashcards
(74 cards)
The membrane that covers the outer surface of the eye and lines the eyelids is the ___.
Conjunctiva
The six muscles attached to the outer surface of the eye that produced gross eye movements and make it possible for the eyes to follow objects are the ___.
Extrinsic eye muscles
The area of sharpest visual acuity that normally contains only cones is the ___.
Fovea Centralis
The innermost sensory layer of the eye that contains bipolar cells and ganglion cells is the ___.
Retina
The lens divides the eye into two segments, the ___ and the ___ segments.
Anterior (aqueous); posterior (vitreous)
The biconvex structure that focuses light on the retina is the ___.
Lens
The eye condition resulting from the inability of the aqueous humor to drain from the eye is called ___.
Glaucoma
The upside-down image formed on the retina as a result of the light-bending activity of the lens is the ___.
Real image
Fibers from the medial side of each eye cross over to the opposite side of the brain at the___.
Optic chiasm
The overlapping of the two visual fields that provides for depth perception (3-D vision) results in ___.
Stereopsis (binocular vision)
Loss of the same side of the visual field of both eyes from damage to the visual cortex on one side only is called ___.
Hemianopia
Earwax is produced by ___.
Ceruminous glands
The structure that divides the outer ear from the middle ear is a membrane known as the ___.
Tympanic membrane (eardrum)
The stirrup bone of the internal ear is also known as ___.
Stapes
The cochlear nerve transmits impulses to the auditory cortex located in the ___.
Temporal lobe
A division of the cranial nerve, the ____ transmits information to the cerebellum about equilibrium.
Vestibular nerve
Tiny stones made of calcium salts that roll in response to changes in gravitational pull are called ___.
Otoliths
The serious inner ear condition that causes nausea, vertigo, and progressive deafness is called ___.
Meniere’s disease
The type of chemoreceptor responsible for our sense of smell is called ___.
Olfactory receptors
The small, peglike projections of the tongue’s surface are called ___.
Papillae
The three cranial nerves that carry taste sensations to the brain are ___.
VII (Faqcial)
IX (Glossopharyngeal)
X (Vagus)
“Crossed eyes” resulting from unequal control of the external eye muscles is called___.
Strabismus
The five taste sensations are ___.
Sweet. sour, bitter, salty, umami
True or False: The cornea is a transparent portion of the fibrous layer of the eye.
TRUE
