Initially individuals who suffer from Alzheimer's disease develop substantial tissue loss in the __________ area of their brain

In 1970, about ______ percent of newborns in China were low birthweight; now it is estimated that ______ percent are born low birthweight

15; 50 50; 50 15; 55 50; 15

Damage to the portion of the basilar membrane closest to its base would cause

a. total deafness. b. the inability to hear low-pitched sounds. c. the inability to hear medium-pitched sounds. d. the inability to hear high-pitched sounds. e. no damage since there are no auditory hair cells there.