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

Match the following receptors to their locations. a.chemoreceptors b.mechanoreceptors c.photoreceptors -Cochlea

Unmyelinated C fibers transmit impulses for slow pain pathways.

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 -Responds to irritating chemicals

In the visual pathway,

____________________ is our conscious interpretation of the external world as created by the brain from a pattern of nerve impulses delivered to it from sensory receptors.

Match the following term with its description. a.timbre b.pitch c.intensity -Frequency of sound waves

As light passes from one medium to a medium of a different density, it

____________________ attach the lens to the ciliary body.

Match the following term with its description. a.timbre b.pitch c.intensity -Depends on the amplitude of the sound wave

Match the following receptors to their locations. a.chemoreceptors b.mechanoreceptors c.photoreceptors -Retina

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 -Air-filled

Which one of the following is an anterior specialization of the choroid layer?

Vision in bright light is chiefly due to cone activation.

Match the following term with its description. a.timbre b.pitch c.intensity -Quality of the sound

Match the following terms with their descriptions. a.Alkaloid b.Acid c.Anything with chemical configuration similar to glucose d.NaCl -Tastes sour

Which is characteristic of fast pain?

Through lateral inhibition, a more intensely activated receptor pathway halts transmission of impulses in surrounding, less intensely stimulated pathways.

In light adaptation,

The ____________________ is the layer of the eye that contains the photoreceptor cells.

The fovea