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48 Cards in this Set
- Front
- Back
Tasted receptors are also called : |
Gustatory receptors |
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Sensory receptors that sense tissue damage are known as _______, or pain receptors |
Nociceptors |
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Sensory receptor for body position |
Proprioceptor |
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Sensory receptor for touch, temperature, and pain |
Cutaneous |
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Sensory receptor for vision, hearing, taste. |
Special sense |
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Which are considered cutaneous sensations? |
Nociception, touch, pressure, heat, cold |
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Auditory ossicles in order from tympanic membrane to oval window |
Malleus, incus, stapes |
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An elongated eyeball creates a condition called ______. A shorter-than-normal eyeball creates a condition called ______. |
Myopia, hyperopia |
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The feeling that the room is spinning, when it's not, is called ______. |
Vertigo |
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Which structures senses changes in the speed of an elevator or car? |
Saccule and utricle |
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List the structures that light passes through the eye in order |
Cornea》anterior chamber》pupil》lens》vitreous chamber |
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Over many years, unprotected exposure of the eyes to sunlight without wearing good sunglasses can cause ______. |
Cataracts |
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Fibers carrying visual signals exit the eye at the optic nerve. This area, known as _______ ________, had no photoreceptors, so is also called the blind spot. |
Optic disc |
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Pain, touch, pressure and thermoreception are all types of ____ senses |
Somatesthetic |
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Which are considered parts of the vestibular apparatus? |
Semicircular canals, utricle, otolith organs, saccule |
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List the structures of the eye in order as aqueous humor flows, starting with the structure that produces it. |
Cilia body》posterior chamber》pupil》anterior chamber》canal of Schlemm |
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The receptive fields of a cutaneous receptor is |
Where simulation if that receptor occurs |
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a genetic defect that prevents the normal function of cones is called______. |
color blindness |
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Which structures are considered part of the vascular tunic of the eye, or the uvea? |
Iris, ciliary body, choroid |
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Stimulus for chemoreceptro |
chemical |
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stimulus fo photoreceptor |
light |
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stimulus for thermoreceptor |
temperature |
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stimulus for mechanoreceptor |
distortion of cell membrane |
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Cones are concentrated in the _____ ______, the depressed center of the macula lutea |
Fovea centralis |
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taste and olfactory receptors are: |
exteroceptors |
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a pathological perception of a ringing sound is call _____. |
tinnitus |
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which of these body parts has the highest sensory acuity? |
palm of hand |
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most people recognize five major categories of taste, including: |
unami, salty, bitter |
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list the structures in order of action potentials traveling from the eyes to the visual cortex. |
optic nerve, optic chiasma, optic tract, lateral geniculate colliculi, optic radiation, occipital lobe |
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thr primary olfactory cortex is found in the ____ lobe. |
temporal |
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which are cells found in the olfactory epithelium? |
stem cells, supporting cells, olfactory receptors |
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with aging, the lens becomes less flexible. This difficulty in accommodation is called _____ |
presbyopia |
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reading an eye chart tests one's: |
visual acuity |
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complex tastes are perceived by: |
different levels of activity of each of the five different taste categories |
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the five major categories of taste are salty, _____ unami, sweet, and __________. |
bitter and sour |
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list the structures through which olfactory signals pass through, in order. |
olfactory receptors, cribriform plate, olfactory bulb, primary olfactory cortex |
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when light passes from air to water, it is bent, or: |
refracted |
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which are characteristics of cold receptors? |
they are found in the upper dermis, near the epidermis; they have free nerve endings; they outnumber warm receptors |
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which are characteristics of taste buds? |
they consist of many specialized epithelial cells; they have microvili that extend through a pore; they remain bathed in saliva |
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a condition called _____ occurs when different areas of the cornea (or lens) have a different refraction index than other areas |
astigmatism |
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changes in rotational speed are sensed by the __________ ____________ |
semicircular canals |
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cochlear implants: |
sense sound and transmit signals to the cochlea |
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swelling and an increase in the growth of blood vessels of the choroid often cause a form of blindness called: |
macular degeneration |
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when the flow of aqueous humor is blocked, and intraocular pressure increases, photoreceptors can be damaged. this condition is called _________ |
glaucoma |
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List the pathway of electrical signals from the photoreceptors to the optic nerve |
rods and cones; bipolar cells; amacrine cells; ganglion cells; optic nerve |
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which situation exemplifies sensory adaptation? |
ten minutes after entering a cold lake, the water feels warmer |
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which are final destinations of gustation signals? |
insula; prefrontal cortex; postcentral gyrus |
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the auditory tube connects the _____ to he ______ |
middle ear; nasopharynx |