BIO 107: Unit 4 - Ch 17 Special Senses *Stared Terms Only*

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What is the visual pathway?

What is this the pathway of:

1. Photoreceptor

2. Bipolar cell

3. Ganglion cell

4. Optic disc

5. Optic nerve

6. Optic chiasm

7. Optic tract

8. Superior colliculus & lateral geniculate

9. Visual cortex of cerebral hemispheres

What is the first step of visual pathway?

Which step of visual pathway is:

• Photoreceptor

What is the second step of visual pathway, after photoreceptor?

Which step of visual pathway is:

• Bipolar cell

What is the third step of visual pathway, after bipolar cell?

Which step of visual pathway is:

• Ganglion cell

What is the fourth step of visual pathway, after ganglion cell?

Which step of visual pathway is:

• Optic disc

What is the fifth step of visual pathway, after optic disc?

Which step of visual pathway is:

• Optic nerve

What is the sixth step of visual pathway, after optic nerve?

Which step of visual pathway is:

• Optic chiasm

What is the seventh step of visual pathway, after optic chiasm?

Which step of visual pathway is:

• Optic tract

What is the eighth step of visual pathway, after optic tract?

Which step of visual pathway is:

• Superior colliculus & lateral geniculate

What is the ninth step of visual pathway, after superior colliculus & lateral geniculate?

Which step of visual pathway is:

• Visual cortex of cerebral hemispheres

What does semicircular ducts provide?

What provide equilibrium sensations - head movement?

What are the functions of hair cells?

What are these functions of:

• Basic receptors of inner ear

• Provide information about direction and strength of mechanical stimuli

What do utricle and saccule sense?

Which stimuli sense:

• Gravity and acceleration from hair cells in vestibule

What is the hearing process?

What is this the process of:

1. Waves arrive at tympanic membrane

2. Tympanic membrane vibrates, malleus, incus, stapes

3. Stapes at oval window establishes pressure waves

4. Waves distort basilar membrane

5. Vibration of hair cells against tectorial membrane

6. Region and intensity of stimulation relayed to CNS

What is the 1st step of hearing process?

Which step of hearing process is:

• Waves arrive at tympanic membrane

What is the 2nd step of hearing process, after waves arrive at tympanic membrane?

Which step of hearing process is:

• Tympanic membrane vibrates, malleus, incus, stapes

What is the 3rd step of hearing process, after tympanic membrane vibrates, malleus, incus, stapes?

Which step of hearing process is:

• Stapes at oval window establishes pressure waves

What is the 4th step of hearing process, after stapes at oval window establishes pressure waves?

Which step of hearing process is:

• Waves distort basilar membrane

What is the 5th step of hearing process, after waves distort basilar membrane?

Which step of hearing process is:

• Vibration of hair cells against tectorial membrane

What is the 6th step of hearing process, after vibration of hair cells against tectorial membrane?

Which step of hearing process is:

• Region and intensity of stimulation relayed to CNS

What is the cochlear branch pathway?

What is this the pathway of:

1. Spiral ganglion

2. Cochlear branch

3. Medulla oblongata

4. Dorsal and ventral cochlear nuclei

5. Inferior colliculus

6. Medial geniculate nucleus of thalamus

7. Auditory cortex of temporal lobe

What is the 1^st step of cochlear branch pathway?

Which step of cochlear branch pathway is:

• Spiral ganglion

What is the 2^nd step of cochlear branch pathway, after spinal ganglion?

Which step of cochlear branch pathway is:

• Cochlear Branch

What is the 3^rd step of cochlear branch pathway, after cochlear branch?

Which step of cochlear branch pathway is:

• Medulla oblongata

What is the 4^th step of cochlear branch pathway, after medulla oblongata?

Which step of cochlear branch pathway is:

• Dorsal and ventral cochlear nuclei

What is the 5^th step of cochlear branch pathway, after dorsal and ventral cochlear nuclei?

Which step of cochlear branch pathway is:

• Inferior colliculus

What is the 6^th step of cochlear branch pathway, after inferior colliculus?

Which step of cochlear branch pathway is:

• Medial geniculate nucleus of thalamus

What is the 7^th step of cochlear branch pathway, after medial geniculate nucleus of thalamus?

Which step of cochlear branch pathway is:

• Auditory cortex of temporal lobe