Sensory Systems II - Ear

Question 1

What are the three regions of the ear?

Answer 1

• external (outer) ear
• middle ear
• internal (inner) ear

Question 2

NOT DONE

Which part of the ear consists of:
* elastic cartilage
*

Question 3

NOT DONE

Answer 3

the middle ear

Question 4

NOT DONE

Answer 4

the internal ear

Question 5

The vestibule, three semicircular ducts, and the cochlea all feed into a canial nerve called the ____.

Answer 5

vestibulocochlear nerve (CN VIII)

Question 6

What is a spiraled, 3 chambered, snail-like structure in the ear?

Answer 6

cochlear

Question 7

What is the receptor organ of hearing?

Question 8

What are the two kinds of hair cells in the ear?

Answer 8

• inner hair cells
• outer hair cells

Question 9

NOT DONE

Where are the hair cells located within the cochlear?

Answer 9

tech and ** something

Question 10

What is the sense of body position, balance, and motion?

Answer 10

equilibrium

Question 11

What is the main responsibility of the three semicircular ducts?

Answer 11

for sensing accelation of movement

Ex. movement of the head

Question 12

NOT DONE - video in lecture

What is the vestibular system’s main detection responsibilites?

Question 13

NOT DONE

What is the fluid that fills the vestibular system?

Question 14

NOT DONE

What is the larger body of the ampulla called?

Answer 14

crista ampullaris

Question 15

NOT DONE

different semicircular ducts

Question 16

What are the two types of equillibrium called?

Answer 16

• static equilibrium
• dynamic equilibrium

Question 17

Which kind of equilibrium is the perception of head rientation when the body is stationary?

Answer 17

static equilibrium