<prompt> At which location along the basilar membrane are the highest-frequency sounds detected?Nearest the oval windowFahest from the oval window, near the helicotremaUniformly along the basilar membraneAt the midpoint of the membrane  <response>: The basilar membraneis widest 0.42-0.65 mm and least stiff at the apex of the cochlea, and narrowest 0.08-0.16 mm and stiffest at the base near the round and oval windows. High-frequency soundslocalize near the base of the cochlea, while low-frequency sounds localize near the apex. Ref otolaryngology dhingra 3e p34 