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Terms in this set (51)
The type of sense, based on what type of stimulus it responds to
The amount of stimulation required to activate a receptor
sensitivity or threshold
Getting used to the continual presence of a stimulus
Interpretation, by the brain, of the origin of a stimulus
Which of these is a mechanical sense?
Which of these is the location of the olfactory epithelium?
superior region of the nasal cavity
Taste buds are the same thing as lingual papillae.
The taste type associated with toxic compounds, with the strongest taste sensation, is...
covers the inner eyelid and the anterior surface of the eye.
Which of the following is found lateral and superior to the eye?
This extrinsic eye muscle runs through the trochlea, a pulley-like ring of connective tissue that allows the muscle to bend and approach the eye at an angle.
The body that fills the posterior cavity of the eye, behind the lens, is the
Which of the following eye structures is responsible for keeping the retina pressed against the back of the eye?
Choose any of the following that are avascular:
cornea, vitreous, lens
Choose any of the following which are functions of the ciliary body.
produces aqueous humor & anchors and shapes the lens
Which of the following eye structures is the location for anchoring the retina?
Aqueous humor is formed by the ______
, flows into the _______
, through the ______
, and into the ______
before being drained by vessels next to the _____
excess intraocular pressure; leads to blindness if the retina is damaged
clouding of the lens, associated with aging and diabetes
The bending of light rays as they pass from one layer to another is called
Check any of the following eye structures responsible for focusing.
lens, cornea, vitreous humor, aqueous humor
In near vision, the ciliary muscles that control focusing of the lens are relaxed.
Choose any of the following that must occur when focusing on an object closer than 20 feet away.
pupillary constriction, medial rotation of eyes (convergence), lens accommodation
_______ in the diet is used to make
_______ , which is attached to a pigment protein in rods to make the functional visual pigment, __________
All color vision is interpreted from only 3 types of cones, which can sense blue, red, and yellow light.
The highest concentration of cones is found in the
All visual stimulation of the left eye is sent along nerve pathways to the right side of the brain.
Which of the following is NOT part of the middle ear?
Which of the following receives vibrations from the stapes?
Which of the following is NOT part of the bony labyrinth?
Which of the following ear structures is responsible for hearing?
In which of the following canals is the organ of hearing located?
The neural receptors responsible for hearing are located specifically in the
organ of Corti
short membrane in which the hairs of the organ of Corti are embedded
membrane upon which the organ of Corti sits; divides cochlear duct from tympanic duct (scala tympani)
angled membrane that separates the vestibular duct (scala vestibuli) from the cochlear duct (scala media)
determined by sound wave frequency
determined by sound wave amplitude
determined by overtones, the resonant quality of sound
This specific branch of the nerve that supplies the ear arises from the spiral organ of Corti; it's called the
Which of the following ear structures is responsible for balance?
The ______ contains the saccule and _____ , which contain small crystalline grains called _______
that move in response to gravity.
The _________ canals are responsible for
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