Auditory Anatomy & Physiology 105 QUESTIONS

Auditory Anatomy & Physiology- Lecture 6 Activation of IHC 1. ____________ conducted down ear ____________ 2. ____________ vibrates 3. ____________ vibrate 4. ____________ wave causes upward-downward movement of ____________ 5. Transduction by IHCs generates __________ impulses (___________ potentials) in ANFs - 1. Sound 2. canal 3. TM 4. Ossicles 5. Travelling 6. BM (basilar membrane) 7. neural (electrical) 8. action Activation of OHCs 1. ____________ conducted down ear ____________ 2. ____________ vibrates 3. ____________ vibrate 4. ____________ wave causes upward-downward movement of ____________ 5. ___________ process mediated by OHCs _______________ BM vibration, increasing _______________ of IHCs - 1. Sound 2. canal 3. TM 4. Ossicles 5. Travelling 6. BM (basilar membrane) 7. Active 8. enhances 9. sensitivity Hair cells are ACTIVATED on the _______________ phase of the sound stimulus The oval window is pushed inward from stapes and sinusoids are at their _____________ trough. - rarefaction Hair cell activation: the tympanic membrane and stapes footplate move ______________