HTS

Question 1

What is the external ear composed of

Answer 1

Pinna, auditory canal and tympanic membrane

Question 2

What is the snail shaped organ

Answer 2

Cochlea

Question 3

This is also known as a the stirrup

Answer 3

Stapes

Question 4

How can we identify where the sound is coming from?

Answer 4

Impedance matching

Question 5

What are the important structures for impedance matching

Answer 5

Tympanic membrane

Ossicles

Question 6

Function of the attenuation reflex

Answer 6

Protects the cochlea
Masks low frequency
decreases sensitivity to speech

Question 7

The sensitivity to hearing is how many decibels

Answer 7

15-20

Question 8

2 important muscles for attenuation reflex

Answer 8

Tensor tympani

Stapedius muscle

Question 9

What pushes the malleus inward in attenuation reflex

Answer 9

Tensor tympani muscles

Question 10

Pushes the stapes outward in attenuation reflex

Answer 10

Stapedius muscle

Question 11

Contraction of both stapedius and tensor tympani will cause

Answer 11

Rigidity of the ossicles

Question 12

This separates Scala vestibule from Scala media

Answer 12

Reissner’s membrane

Vestibular membrane

Question 13

It separates the Scala media from the Scala tympani

Answer 13

Basilar membrane

Question 14

This is the bony center of the cochlea

Answer 14

Modiolus

Question 15

What is the tip of the cochlea

Answer 15

Helicotrema

Question 16

High pitched or high frequency sounds terminate where

Answer 16

Base

Question 17

This method used by the cns to detect different sound frequencies

Answer 17

Place principle

Question 18

What is the organ for audition

Answer 18

Organ of corti

Question 19

What is the longest and largest stereocilia

Answer 19

Kinocilia

Question 20

Where is the endolymph located

Answer 20

Inside the Scala media

Question 21

Unit of measurement to determined the change in loudness

Answer 21

Decibel

Question 22

How are we able to localize the sound and what supervises it

Answer 22

Time lag principle

Medial Superior Olivary Nucleus

Question 23

What supervises when someone is talking louder on the other side

Answer 23

Lateral superior Olivary nucleus

Question 24

Nerve deafness is also known as

Answer 24

Sensory neural deafness

Question 25

The presence of what helps us perceive sour taste

Answer 25

Hydrogen ions

Acids

Question 26

Why is the bitter taste buds places posteriorly

Answer 26

Defense mechanism to prevent swallowing of toxins or poisonous products

Question 27

Example of ethereal

Answer 27

Senen
Bleach
Chlorine

Question 28

Examples of camphoraceous

Answer 28

Mothballs

Manzanilla