Special Senses- chapter 8, clicker questions
5 taste receptors
-sweet -Sour -Salty -Bitter -Umami
What is the ability of the eye to focus on close objects?
Accomodation
The overlapping of the two visual fields that provides for depth perception (3D vision) results in ____.
Binocular vision
What is the name of the structure that covers the eyelid and the surface of the eye?
Conjunctiva
What is the reflexive movement of both eyes medially to view objects close to us?
Convergence
Which structure is lined with ceruminous glands?
External Acoustic meatus (auditory canal)
What are the three cranial nerves that carry taste sensations to the brain?
Facial, glossopharyngeal, and vagus
What specific receptor cells respond to chemicals dissolved in saliva?
Gustatory cells
The vibration of sound waves causes the tympanic membrane, or eardrum, to move against an ossicle known as ______.
Hammer (malleus)
The fibrous covering of the eye consists of the white outlayer, known as the ______, and a transparent portion known as the ______.
Sclera; cornea
Dynamic equilibrium receptors that detect information about angular or rotational movements of the head are housed in the ______.
Semicircular canals
What sensation is related to sitting motionless at a desk while studying you anatomy material?
Static equilibrium
What membranes divides outer ear from middle ear?
Tympanic membrane
The gel-like substance housed in the posterior segment of the eye is the _____.
Vitreous Humor
What region of the retina lacks photoreceptor cells?
blind spot
What type of chemoreceptor is responsible for our sense of smell?
Olfactory Receptor
What hearing disorder arises when there is damage or degeneration of receptor cells in the spiral organ of Corti, cochlear nerve, or neurons in the auditory cortex of the brain?
Sensorineural deafness
The biconvex structure that focuses light on the retina is the ______.
lens
Which gland is located above the lateral end of each eye and releases tears?
Lacrimal
Tiny stones made of calcium salts that roll in response to changes in gravitational pull are called _____.
Otoliths
The small, peg like projections of the tongues surface
Papillae
Which layer of the eye contains photoreceptors known as rods and cones?
Retina