BIO 264 FINAL EXAM 2025 LATEST UPDATED| 270 COMPLETE QUESTIONS AND ANSWERS | 100% RATED CORRECT | 100% VERFIED | ALREADY GRADED A+|GET A+

BIO 264 FINAL EXAM 2025 LATEST UPDATED| 270

COMPLETE QUESTIONS AND ANSWERS | 100% RATED

CORRECT | 100% VERFIED | ALREADY GRADED A+|GET A+

Which of the following pairs is incorrectly matched?




1) Stapes :: Round window




2) Cochlear duct :: Spiral organ




3) Hair cells :: Tectorial membrane

,4) Tympanic membrane :: Malleus - (answer)1




Persistent exposure to loud noise can cause loss of hearing, especially for high-

frequency sounds. What part of the ear is probably damaged if the sound loss is

selective to higher pitches?




1)

Tympanic Membrane




2)

Basilar Membrane




3)

,Semicircular cannals




4)

Cochlear nerve - (answer)2




Sound waves cause structures of the inner ear to vibrate. Place in order the

pathway of vibrations as they penetrate the oval window, until they are transferred

to the round window.

(1) perilymph in the scala vestibuli

(2) perilymph in the scala tympani

(3) vestibular membrane

(4) basilar membrane

(5) endolymph in the cochlear duct - (answer)1,3,5,4,2




A tip link

, 1) connects 2 inner hair cell stereocilia in the ear




2) involves a gated sodium ion channel




3) causes the channel to open chemically




4) none of the above - (answer)1




Volume or "loudness" of sound