Exam 6: The Peripheral Nervous System: Afferent Division Special Senses

Use the figure above to answer the corresponding questions. -Match the following structures with the appropriate letter.Some letters may be used more than once. ______Posteriar cantinuation of the carnea _______Cantracts and relazes far clear facusing _______Partrespansible far different eye colars _______The anly item labeled that is not a physical structure _______The "blind spot" _______Fluid that is continually repiaced _______Becomes taut when viewrin dbjects far avay _______Repion that cantans anly cane photareceptors _______Repian that contains all types af phatoreceptors _______Prachuces the fluid that contacts the carmea _______The non-retinal layer closest to rods and canes _______Faund within the macula lutea _______Cantracts different muscles to adjust the amaunt of light entering the vitreaus humor

Indicate the properties associated with each type of nociceptor by using the answer code below: a.mechanical nociceptor b.thermal nociceptor c.polymodal nociceptor d.mechanical nociceptor and thermal nociceptor -Transmits its signals via A-delta fibers

In response to movement of the oval window,

The human ear is most sensitive to sound frequencies within the range of

Match the following eye disorder with its description. a.color blindness b.night blindness c.glaucoma d.hyperopia e.diplopia f.presbyopia g.myopia h.cataract i.astigmatism -Corneal surface uneven

The four membranes shown in this figure include the following: The ____________________ is number ____; the ____________________ is number ____; the ____________________ is number ____; and the ____________________ is number ____.

The ossicular system of the ear

Sour taste represents stimuli caused by

Select the incorrect association:

Indicate the characteristics associated with each part of the ear using the answer code below: a.external ear b.middle ear c.cochlea d.semicircular canal e.utricle and saccule f.external ear and middle ear g.cochlea, semicircular canal, utricle and saccule h.semicircular canal, utricle and saccule i.cochlea and semicircular canal -Contains tympanic membrane, which vibrates in synchrony with sound waves

Parasympathetic neurons stimulate the circular muscle of the iris to contract in response to dim light.

The circular muscle of the iris

Which of the following abnormalities could give rise to sensorineural deafness?

Color blindness may be caused by Vitamin A deficiency, whereas night blindness is due to a deficiency of vitamin C.

____________________ is the bending of light rays as they pass from one medium to another.

Which of the following statements about myopia is correct?

The lens of the eye

The semicircular canals are activated as the head starts to rotate, but cease responding if the head movement continues at the same rate in the same direction.

Sounds at 1000 cycles per second vibrate the basilar membrane closer to the oval window, while sounds at 2000 cycles per second vibrate the membrane closer to the helicotrema.

Indicate the properties of rods and cones using the following answer code: a.rods b.cones c.both rods and cones -Much convergence in pathway