Chapter Eleven: Vision, Hearing, Gustation, + Olfaction

Question 1

Superior and inferior lids are also known as…

Answer 1

Palpebrae

Question 2

…is the intersect of the Iris and the Sclera

Answer 2

Limbus

Question 3

The…is the colored part of your eye

Answer 3

Iris

Question 4

The…is the white part of your eye

Answer 4

Sclera

Question 5

The Iris is a set of what two intrinsic muscles?

Answer 5

Radial
Sphincter

Question 6

The…is actually empty where light travels to the Retina

Answer 6

Pupil

Question 7

What is this?
- clear structure protecting the anterior chamber of the eye from foreign objects
- retract light and focus it onto the retina

Answer 7

Cornea

Question 8

Tears drain into the…

Answer 8

caruncle

Question 9

What are the seven “stops” in the flow of tears?

Answer 9

1. Lacrimal Gland
2. Lacrimal Ducts
3. Lacrimal Caruncle
4. Lacrimal Canal
5. Lacrimal Sac
6. Nasolacrimal Duct
7. Nasal Cavity

Question 10

What two glands and what caruncle secreted lipid and protein rich secretions that moisten and protect the eye?

Answer 10

Ciliary Glands
Tarsal Glands
Lacrimal Caruncle

Question 11

Name the 6 Extrinsic Muscles of the eye:

Answer 11

1. Superior Rectus
2. Inferior Rectus
3. Medial Rectus
4. Lateral Rectus
5. Superior Oblique
6. Inferior Oblique

Question 12

What oblique extrinsic muscle of the eye moves the eye inferior and lateral?

Answer 12

Superior Oblique

Question 13

What oblique extrinsic muscle of the eye moves the eye superior and lateral?

Answer 13

Inferior Oblique

Question 14

What are the two cavities of the internal eye?

Answer 14

Anterior and Posterior Chamber

Question 15

What cavity of the eye contains aqueous humor?

Answer 15

Anterior Chamber

Question 16

What cavity of the eye contains vitreous humor?

Answer 16

Posterior Chamber

Question 17

Name the three tunics of the internal eye (superficial to deep):

Answer 17

Sclera
Choroid
Retina

Question 18

What tunic of the internal eye is fibrous?

Answer 18

Sclera

Question 19

What tunic of the internal eye is vascular; provides nutrients to sclera and retina?

Answer 19

Choroid

Question 20

What tunic of the internal eye is neural?

Answer 20

Retina

Question 21

…and suspensory ligaments support the lens and allow it to change shape for focusing light onto the retina

Answer 21

Ciliary Bodies

Question 22

The…is the location where the optic nerve exits the eye, it is the physiological blind spot

Answer 22

Optic Disk

Question 23

The…contains the highest density of cone cells in the retina and contains no rod cells

Answer 23

Fovea Centralis

Question 24

Do Cones or Rods see color?

Answer 24

Cones

Question 25

Do Cones or Rods see in dim lighting (only see black and white)?

Answer 25

Rods

Question 26

The external ear is composed primarily of…cartilage

Answer 26

Elastic

Question 27

The lobule is composed primarily of…

Answer 27

Adipose

Question 28

…is often referred to simply as Fossa

Answer 28

Scapha

Question 29

…(ear canal) extends 1.5 inches into the skull

Answer 29

External Acoustic Meatus

Question 30

…membrane vibrates with sound waves

Answer 30

Tympanic Membrane

Question 31

Vibrations transfer through ossicles to…in the inner ear

Answer 31

Cochlea

Question 32

Name the three ossicles (superficial to deep):

Answer 32

Malleus Incus Stapes

Question 33

As vibrations reach the cochlea, the…detects sound

Answer 33

Organ of Corti

Question 34

The Organ of Corti converts stimuli to action potentials which are sent to the brain via the…nerve

Answer 34

Vestibulococblear

Question 35

What two things within the inner ear are responsible for maintaining balance and equilibrium?

Answer 35

Semicircular Canals Vestibule

Question 36

Vestibule: …equilibrium

Answer 36

static

Question 37

What are the pebble-like structures located in Vestibule?

Answer 37

Otoliths

Question 38

Semicircular: …equilibrium

Answer 38

dynamic

Question 39

What is the tongue called?

Answer 39

Muscular Hydrostat

Question 40

What are the two main functions of the muscular hydrostat?

Answer 40

- assist the formulation of words during speech - manipulate food while chewing and swallowing

Question 41

…receptors are associated with taste buds which are associated with papillae

Answer 41

Gustatory Receptors

Question 42

What are the five basic tastes?

Answer 42

1. Sweet 2. Salty 3. Sour 4. Biter 5. Umami

Question 43

What are the four zones of the tongue (proximal to distal)?

Answer 43

1. Foliate Papillae 2. Circumvalate Papillae 3. Fungiform Papillae 4. Filliform Papillae

Question 44

Gustatory…extend into taste pore

Answer 44

hairs

Question 45

Dissolved…bind to gustatory hairs

Answer 45

chemicals

Question 46

When chemicals bind to gustatory hairs, it triggers…if gustatory receptor cell

Answer 46

depolarization

Question 47

Gustation stimuli information is transmitted to the brain via what 3 cranial nerves?

Answer 47

VII - Facial Nerve IX - Glassopharyngeal Nerve X - Vagus Nerve

Question 48

Olfaction has 20,000 - …smells

Answer 48

50,000

Question 49

Olfactory receptors (bipolar neurons) - receptor proteins on olfactory cilia (nasal lumen) that bind different…of molecules

Answer 49

classes