Ch 16

Question 1

What are general senses?

Answer 1

Taste, touch, sight, smell, hearing

Question 2

Specialized sensory receptors are not localized to what?

Answer 2

The head

Question 3

What is gestation and olfacton?

Answer 3

Taste and smell?

Question 4

What is another name for chemoreceptors?

Answer 4

Receptors

Question 5

What is the name of two types of gustation papillae (taste buds)?

Answer 5

Fungiform (not taste bud, appreciated food texture)

Circumvallate

Question 6

What are the five qualities of taste?

Answer 6

Sweet

Sour

Salty

Bitter

Vmami, “deliriousness”

Question 7

What are the three cell types in all senses?

Answer 7

Supporting cells

Sense cells (gustatory, olfactory, etc.)

Basal cells

Question 8

Where are the olfactory receptors?

Answer 8

In the olfactory epithelium

Question 9

What percentage of sensory receptors are in the eyes?

Answer 9

70%

Question 10

What percentage of the cerebral cortex is involved with processing visual information?

Answer 10

40%

Question 11

What is the name of the eye transparent muscous membrane?

Answer 11

Conjunctiva

Question 12

What does lacrimal mean?

Answer 12

Relating to the tear gland

Question 13

What is the lacrimal sac?

Answer 13

Tear duct

Question 14

What is a tunic?

Answer 14

Covering or organ

Question 15

What are the three eyeball tunics?

Answer 15

Fibrous layer (outermost)

Vascular layer

Retina (photoreceptors)

Question 16

What is the names of the two eyeball fluids?

Answer 16

Aqueous humor

Vitreous humor

Question 17

What is the sclera?

Answer 17

The white of the eye

Question 18

What is the cornea?

Answer 18

The transparent anterior

The window of the eye

Question 19

What allows the aqueous humor to drain?

Answer 19

The sclaera venous sinus

Question 20

Where in the eyball is the vascular layer located?

Answer 20

In the outer choroid

Question 21

Where is the choroid located?

Answer 21

Between the retina and scalara

Question 22

What is the iris?

Answer 22

Blue colored part of the eye

Question 23

What is the iris made of?

Answer 23

Smooth muscle

Question 24

What is the pupil?

Answer 24

The hole that lets light in the eye

Dilates/constricts

Sphincter pupillae muscle

Question 25

What is the retina?

Answer 25

Has photoreceptors

Question 26

What are the neurons in the retina?

Answer 26

Ganglion Bipolar cells Photoreceptors

Question 27

Are the rods or cones more sensitive to light and color?

Answer 27

Rods: Light Cones: Color

Question 28

What is Age-related macular degeneration?

Answer 28

Build up of pigments in the retina Leading cause of blindness in western hemisphere "Doughnut vision"

Question 29

What is the blind spot called?

Answer 29

Optical disc No photoreceptors

Question 30

What is the region of greatest visual acuity?

Answer 30

Fovea centralis

Question 31

Where does the retina receive its blood supply?

Answer 31

Choroid capillaries Central artery and vein of the retinal

Question 32

What two items divides the eye?

Answer 32

Lens and ciliary zondule

Question 33

What is near sighted and far sighted called?

Answer 33

Myopia and hyperopia

Question 34

What are the three regions of the ear?

Answer 34

Outer ear - hearing Middle ear - hearing Inner ear - hearing and equilbrium

Question 35

What is the name of the ear canal?

Answer 35

External acoustic meatus

Question 36

Where is the typanic membrane located?

Answer 36

In the outer ear

Question 37

What is another name for the eustachian tube?

Answer 37

Pharyngotympanic tube

Question 38

What are the names of the ear ossicles?

Answer 38

Malleus - hammer Incus - anvil Stapes - stirrup

Question 39

Name the three canals

Answer 39

Anterior canal Posterior canal Lateral canal

Question 40

Name the three cochlea vestibules and membranes

Answer 40

Question 41

What are the balancing apparatus in the inner ear?

Answer 41

Utricle "leather bag" Saccule Housed in the macula

Question 42

What detects rotational acceleraton?

Answer 42

The semicircular canals

Question 43

What do the gustatory and olfactory receptors sense?

Answer 43

Chemicals

Question 44

Which cranial nerves innervate the tongue?

Answer 44

VII - Facial IX - Glossopharyngeal X - Vagus

Question 45

Which layer are the photoreceptors located in?

Answer 45

Retina

Question 46

What is the function of the humor?

Answer 46

Supplies nutrients to the lens and cornea

Question 47

What does the ciliary muscle do?

Answer 47

Adjusts the lens shape for distance

Question 48

What are the eye's refractory media?

Answer 48

Lens Cornea Humors

Question 49

Which structures are involved with the entrance of light into the eye?

Answer 49

Cornea Anterior segment Pupil Lens

Question 50

What optic structure is damaged by glaucoma and how?

Answer 50

The optic nerve Eye pressure

Question 51

How is the light pathway different than the neural pathway?

Answer 51

Light enters the front of the eye Photoreceptor info exits the optic nerve

Question 52

Which bone is attached to the tympanic membrane?

Answer 52

Temporal bone

Question 53

Which middle ear structure vibrates on the the oval window?

Answer 53

The stapes (stirrup)

Question 54

The round and oval windows are in what ear chamber?

Answer 54

The middle chamber

Question 55

Which organ detects sound waves?

Answer 55

The ear

Question 56

Where are the tear ducts produced and where are they drained?

Answer 56

Produced: Lacrimal gland Drained: Nasolacrimal duct

Question 57

What is trachoma?

Answer 57

A contagious infection of the conjunctiva

Question 58

What part of the eye is mostly cones?

Answer 58

The macula lutea

Question 59

How is the bony labyrinth different than the membranous labyrinth?

Answer 59

Bony: Filled with CSF, has semicircular canals Membranous: Fits within bony Filled with endolymph (hearing and balance)

Question 60

Sketch out the eye anatomy

Answer 60

Question 61

Sketch out the inner ear anatomy

Answer 61

Question 62

Sketch out the light path to the retina

Answer 62

Question 63

Which neural layer facers the vitreous humor?

Answer 63

The retina