A & P Week 4 Crossword Puzzle

1. Without the help of _____ hair cells, there is between a 40 and 60 dB hearing loss.
4. Outer hair cells have the motor protein _____, while inner hair cells do not.
6. _____ Action Potential originates from the spiral ganglion cells of the auditory nerve.
7. The cochlear amplifier is controlled by the _____ auditory system.
8. During downward basilar membrane deflection, hair cells move away from the _____.
11. The frequency of the traveling wave depends on the stapes’ _____ rate.
12. Active _____ Potentials occur when an acoustic stimulus causes a change in the electrical current flowing through cells.
14. ATP is the _____ which helps move Sodium and Potassium ions.
16. The frequency-specific area of maximum basilar membrane displacement.
18. Pressure waves move through _____ rapidly, about 25 microseconds.
19. _____ Potential shows the direct current voltage in steps, as it follows a stimulus in time.

1. The _____ labyrinth provides bony protection for the vestibule, semicircular canals, and cochlea.
2. During hyperpolarization, the absence of a _____ closes channels.
3. The _____ of the basilar membrane is heavier, flaccid, thin and wide.
5. Reissner’s Membrane is the same mass/stiffness across; it is NOT _____.
9. The intensity of the traveling wave depends on the _____ of the stapes footplate.
10. _____ links connect stereocilia toward their bases.
13. _____ Curves are a visual depiction of frequency selectivity of the cochlea.
15. The cochlear fluid high in Potassium, produced by stria vascularis.
17. ______ links connect the top of shorter stereocilia to the sides of taller neighbors.