Special Senses Ear

Question 1

the ear is what part of the temporal bone

Answer 1

the petrosal part

Question 2

tensor tympani is suppleid by what

Answer 2

V3

Question 3

stapedius is supplied by

Answer 3

CN VII

Question 4

what are the thigns that the typanic membrane coems from

Answer 4

ectoderm, mesoderm, and endoderm

Question 5

autitis externa how can you tell

Answer 5

pull on ear and baby will scream

Question 6

what 3 things are in the middle ear

Answer 6

1. ossicles
2. muscles ( 2)
3. oval window and round window

Question 7

the oval window is near what? the round window is near what

Answer 7

stapes

cohclea

Question 8

what are the two labirinths in the internal ear

Answer 8

bony and membranous

Question 9

what is the series of spaces inside the petrous part of the temporal bone

Answer 9

bony labyrinth

Question 10

extracellular fluid

Answer 10

perilymph

Question 11

intracellular fluid?

Answer 11

endolymph

Question 12

wat 3 things make up the bony lab

Answer 12

vetibule
semicrcular canal
cochlea

Question 13

how many times does the cochlea wind around the modiolous

Answer 13

2 and 1/2 turms

Question 14

the scala vestibuli and tympani are part of the

Answer 14

bony lab

Question 15

what does sprial organ sit on

Answer 15

basilar membrane

Question 16

what seperates the media and vestibuli

Answer 16

reissner (vestibula membrane)

Question 17

what extends laterally from the modiolus and is a thin bony ridge

Answer 17

osseus spiral lamina

Question 18

what is the opening that the vestibuli and the tympani communicate through

Answer 18

helicotrema

Question 19

what is the apex of the cochlea

Answer 19

helicotrema

Question 20

what secrets endolymph

Answer 20

stria vascularis

Question 21

where are stereocilia

Answer 21

on the hair cells

Question 22

what are the cells that occupy the space between the inner and outer hair cells

Answer 22

pillar cells

Question 23

bipolar cells are where

Answer 23

spiral ganglion

Question 24

oval window sets up sound waves in what

Answer 24

cochlea

Question 25

the basilar membrane is more what then the tectorial membrane

Answer 25

elastic

Question 26

what is the moving in one direction

Answer 26

linear acceleration

Question 27

what is it when you are moving in an angle like flying

Answer 27

angular acceleration

Question 28

semicircular canal helps in what movement

Answer 28

angular accelaration

Question 29

what respond to linear acceleration

Answer 29

saccule/utricle

Question 30

what are the three parts of the saccule/utricle

Answer 30

macula neuroepithelial (hair) cells otoliths

Question 31

what are the three parts of the semicircular ducts

Answer 31

cristae ampullares neuroepithelial hair cells cupula