Auditory System

Question 1

Sound is a ___ disturbance

Answer 1

Pressure

Question 2

Human ear is designed to hear between ___ and ___ Hz

Answer 2

20Hz

20,000 Hz

Question 3

The danger zone is greater than ___ dB

Answer 3

90

Question 4

The 3 tubular canals are :

Answer 4

Scala vestibuli
Scala tympani
Cochlear duct (scala media)

Question 5

Scala vestibuli and scala tympani are connected via ___

Answer 5

Helicotrema

Question 6

The scala vestibuli and scala tympani contain ___ which is high in Na+

Answer 6

Perilymph

Question 7

The cochlear duct contains ___ which is high in K+

Answer 7

Endolymph

Question 8

Organ of Corti has ___ which are embedded in the tectorial membrane

Answer 8

Stereocilia

Question 9

Sterocilia are embedded on the ___ membrane

Answer 9

Tectortial

Question 10

Neurotransmitter release by hair cells is:

Answer 10

Glutamate

Question 11

The base of the basilar membrane responds to ___ frequencies

Answer 11

Higher

Question 12

The apex of the basilar membrane responds to __ frequencies

Answer 12

Low

Question 13

Fibers of the cochlear nerve travel to the __ nuclei and ascend the ___

Answer 13

Cochlear nuclei

Lateral lemniscus

Question 14

Wernicke’s area is responsible for ___

Answer 14

Comprehension

Question 15

The primary auditory complex (IS/ IS NOT) capable of comprehending sound

Answer 15

Is Not

—-Wernicke’s area