Special Senses Test Review
at the optic disc
A blind spot in the retina occurs
hyperopia
A person suffering from ________ can see distant objects more clearly than those that are close.
auditory tube
A structure that allows the middle ear to communicate with the nasopharynx is the
accommodation
Changing the shape of the lens to keep the focal length constant is a process called
taste hair
Each gustatory cell extends a ________ into the surrounding fluids through a narrow taste pore.
taste
Gustation refers to the special sense of
bitter
Humans are most sensitive to which taste?
tensor tympani
In the middle ear, which muscle pulls on the malleolus?
cataract
Loss of lens transparency is referred to as
baroreceptors
Mechanoreceptors that detect pressure changes in the walls of blood vessels and in portions of the digestive, reproductive and urinary tracts are
myopia
Nearsightedness is more properly called
chemoreceptors
Neurons in the respiratory centers of the brain that respond to pH are examples of ________.
pain
Nociceptors are sensitive to
are the receptive fields of all pain-sensitive neurons and are relatively large.
Nocieptors
chemoreceptors
Olfactory receptors are examples of
do not adapt to constant stimulation.
Proprioceptors
vestibule
Receptors in the ________ provide sensations of gravity and linear acceleration.
proprioceptors
Sensory receptors that monitor the position of joints are called
baroreceptors
Sensory receptors that respond to changes in blood pressure are called
bony labyrinth
Sensory structures of the internal ear are protected by
tympanic membrane
Sound energy is converted into mechanical movements by the
ampullae
Swellings in the semicircular canals are called ________.
specialized epithelial cells.
Taste receptors are
pain
Temperature sensations are relayed along the same pathways that carry sensations of
filled with aqueous humor
The anterior cavity is
vestibular
The branch of the cranial nerve that is responsible for monitoring changes in equilibrium is the ________ branch.
pull the lens into a more rounded shape.
The ciliary muscle helps to
perception
The conscious awareness of a sensation is called
consists of the sclera and the cornea.
The fibrous layer of the eye
sound waves striking the tympanic membrane
The first step of hear is
region of the basilar membrane of the spiral organ that is stimulated.
The frequency of a sound is indicated to the nervous system by the
cochlear duct
The hearing receptors are located in the
fovea centralis
The highest concentration of cones is in the ________.
decibels
The intensity of vibrations is measured in
have a dozen or more ducts
The lacrimal glands
tympanic cavity
The middle ear is termed the _________________ and is an air-filled chamber.
tympanic membrane to the oval window.
The ossicles connect the
referred pain
The perception of pain coming from parts of the body that are not actually stimulated is called
rods and cones
The photoreceptors of the retina are called ________.
iris
The portion of the eye that contains blood vessels, pigment cells, loose connective tissue, and intrinsic muscle fibers is the
internal ear
The sense of hearing is provided by receptors of the
suspensory ligaments
The shape of the lens is controlled by the
anterior chamber
The space between the iris and the cornea is the
posterior chamber
The space between the suspensory ligaments and the iris is the
tectorial membrane
The structure that overlies the spiral organ, and which is firmly attached to the walls of the cochlear duct, is the
basilar membrane
The structure that separates the cochlear duct from the scala tympani is the
cornea
The transparent portion of the fibrous layer of the eye is the
helps to stabilize the eye shape.
The vitreous body
4
There are ________ primary taste sensations
red, blue, and green
There are three different types of cones, each one sensitive to a different color wavelength of light. These cones are designated
sty
When a sebaceous gland of the eye becomes infected it, it is known as a
red-green
Which is the most common form of color blindness?
taste sensations
Which of the following arrives at the primary sensory cortex?
inferior oblique
Which of the following extrinsic eye muscles is responsible for enabling the eye to roll, look up, and look laterally?
inferior rectus
Which of the following extrinsic eye muscles is responsible for the eye looking down?
sweet
Which of the following is a primary taste sensation?
middle ear cavity
Which of the following is filled with air?
retina
Which of the following is part of the inner layer of the wall of the eye?
Free nerve endings
Which of the following is the simplest receptor type ?
Posterior cavity
Which portion of the eye cons a jelly-like substance ?
Conduction
________ deafness results from conditions in the middle ear that block the normal transfer of vibrations from the tympanic membrane to the oval window.
middle ear
auditory ossicles
external ear
auricle, auditory meatus
internal ear
cochlea, vestibule, semicircular canals
inferior rectus
eye looks down
superior oblique
eye rolls, looks down and to the side
inferior oblique
eye rolls, looks up and to the side
lateral rectus
eye rotates laterally
medial rectus
eye rotates medially
changing shape
helps to stabilize the eye shape.
