Ch 11 Flashcards
Sensory receptors that are active in bright light and perceive color
Cones
The cone shaped cavity in the skull that houses and protects the eyeball
Orbit
The watery fluid that bathes the iris pupil and lens
Aqueous humor
Sensory receptors that are active in dim light and do not perceive colors
Rods
Produces tears
Lacrimal gland
Carries sensory information from the eye to the brain
Optic nerve
The protective membrane that covers the exposed eyeball
Conjunctiva
The innermost layer of the eye that contains sensory receptors for vision
Retina
The colored portion of the eye that controls the size of the pupil
Iris
The white outermost layer of the eyeball
Sclera
Portion of the sclera at the front of the eye that contains no blood vessels and is transparent
Cornea
The opening in the center of the iris that lets in light
Pupil
Alters the thickness of th lens to help focus light on the retina
Ciliary muscles
A clear disk behind the pupil that focuses light on the retina
Lens
Jelly like fluid that occupies the entire eye cavity behind the lens
Vitreous humor
The nerve that carries auditory info to the brain
Vestibulocochlear nerve
The process of bone conduction involves
Vibration of the ossicles in response to sound
Caused by fungi or bacteria the ear infection that is commonly referred to as swimmers ear
External otitis
The disease caused by the inflammation of the inner ear which is often associated with spinning dizzy sensation is called
Labirynthitis
An infection of the middle ear that is commonly seen in children and often follows an upper respiratory (URI is called
Otitis Media
The sensory receptors of gustatory sense are called
Taste buds
The olfactory receptors are located in the
Nose
Nociceptors are the sensory receptors for
Pain
Ringing in the ears is called
Tinnitus
The sense of taste is related to the sense of
Smell
A patient having a heart attack complains of left arm pain , there’s nothing wrong with his arm, this is called - pain
Referred
When continued sensory stimulation causes sensory receptors to desensitize and stop responding this is called
Adaptation
The medical term for earwax
Cerumen
