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

Light is the only stimulus capable of stimulating the photoreceptors of the eye.

Indicate which of the following regions are part of ascending pain pathways, descending analgesic pathways, or both. a.part of ascending pain pathway b.part of descending analgesic pathway c.participates in both pain and analgesic pathways -Periaqueaductal gray area

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 -Concerned with hearing

Which of the following receptors are rapidly adapting?

Indicate the properties of rods and cones using the following answer code: a.rods b.cones c.both rods and cones -Confer vision in shades of gray

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 -Eyeball too short

Exposure to very loud noises can result in partial conductive deafness.

Receptors

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 -Provides information about the position of the head relative to gravity

Taste is perceived in a region located adjacent to the "tongue" region of the somatosensory cortex.

Indicate the properties of rods and cones using the following answer code: a.rods b.cones c.both rods and cones -Used primarily for night vision

Receptor potentials can be graded, with a stronger stimulus resulting in a larger receptor potential.

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 receptive hair cells

Which neuromodulator is not capable of binding to opiate receptors in the analgesic pathways?

The vibrational stimulus normally passes through the middle ear ossicles in which order?

Deflection of the basilar membrane

What condition is caused by uneven curvatures in the lens?

Sour taste is caused by the hydrogen ions from acids, while bitter taste is caused by alkaloid substances such as caffeine.

The structure labeled 12 is the ____________________, and it separates two chambers: the ____________________ and the ____________________.

The tympanic membrane