Spinal Anatomy Special Senses (9%)

Question 1

What is gustation?

Answer 1

taste

Question 2

Which papillae are cylindrical, largest, least in number, and have bitter taste receptors?

a. Circum vallate
b. Fungiform
c. Foliate
d. Filiform

Answer 2

a. circum vallate

Question 3

8-12 in number in a “V” shaped form describes which papillae?

a. Circum vallate
b. Fungiform
c. Foliate
d. Filiform

Answer 3

a. circum vallate

Question 4

Which papillae are thread-like, sensitive to touch and have NO TASTE?

a. Circum vallate
b. Fungiform
c. Foliate
d. Filiform

Answer 4

d. Filiform papillae

Question 5

Which papillae are just anterior to the sulcus terminalis?

a. Circum vallate
b. Fungiform
c. Foliate
d. Filiform

Answer 5

a. circum vallate

Question 6

Which papillae are mushroom shaped?

a. Circum vallate
b. Fungiform
c. Foliate
d. Filiform

Answer 6

b. fungiform papillae

Question 7

Which papillae are on the posteror roof/mouth lateral margins?

a. Circum vallate
b. Fungiform
c. Foliate
d. Filiform

Answer 7

c. foliate papillae

Question 8

Which papillae are moste numerous taste receptors?

a. Circum vallate
b. Fungiform
c. Foliate
d. Filiform

Answer 8

b. fungiform papillae

Question 9

Which papillae are located at the tip of the tongue?

a. Circum vallate
b. Fungiform
c. Foliate
d. Filiform

Answer 9

b. fungiform papillae

Question 10

What is the nerve supply to the anterior 2/3 of the tongue?

Answer 10

CN Vll (facial nerve)

Question 11

What are the tastes associated with the anterior 2/3 of the tongue?

Answer 11

sweet

salty

and sour

Question 12

What is the pathway of the anterior 2/3 of the tongue?

Answer 12

CN Vll –> Chorda tympani –> pteryggopalatine –> solitary tract & nucleus

Question 13

What CN is to the posteror 1/3 of tongue?

Answer 13

CN lX (glossopharyngeal)

Question 14

What taste is associated with the posterior 1/3 of the tongue?

Answer 14

bitter

Question 15

What CN is associated with taste of the epiglottis & larynx?

Answer 15

CN X (vagus)

Question 16

What type of taste is associated with the epiglottis and larynx?

Answer 16

bitter

Question 17

What is an embryonic thryroid diverticulum, (dorsal depression of tongue)?

Answer 17

Foramen caecum

Question 18

What are is the olfactory bulb in?

Answer 18

limbic area

Question 19

Granular, mitral, and tufted cells as well as a glomerulus are all contained in what?

Answer 19

olfactory bulb

Question 20

What is the pathway of nerve supply for olfaction?

Answer 20

CN l to cribriform plate of the ethmoid bone –> lateral olfactory stria –> UNCUS or medial olfactory stria –> Subcallosal gyrus

Question 21

What type of cells line the upper surface of the superior concha (main chemoreceptor)?

Answer 21

Pseudostratified columnar epithelium

Question 22

“I smell a SKUNCUS in my UNCUS”

Answer 22

smell is in the uncus

Question 23

What does the retina develop from?

Answer 23

ECTODERM

Question 24

Sclera is derived from?

Answer 24

DURA

Question 25

What are the retinal cells?

Answer 25

1. Amacrine 2. bipolar 3. ganglion 4. horizontal 5. pigments 6. rods and cones (rhodopsin)

Question 26

What is the pathway of nerve sreply for vision?

Answer 26

Retina --\> optic nerve --\> optic chiasm --\> optic tract (connects superior colliculus) --\> lateral geniculat nucleus --\> optic radiations --\> calcarine fissure of occipital lobe

Question 27

cones are ....

Answer 27

color

Question 28

Where is the are of greatest acuity?

Answer 28

Fovea centralis

Question 29

Where is the fovea centralis?

Answer 29

center of macula lutea

Question 30

Does the fovea centralis contain rods, cones, or both?

Answer 30

cones only

Question 31

Where is the "blind spot"?

Answer 31

Optic disc

Question 32

What is the optic disc?

Answer 32

where optic nerve and vessels attach to the eye

Question 33

What muscle controls lens shape?

Answer 33

ciliary muscle

Question 34

What is the auditory pathway?

Answer 34

Spiral ganglion --\> cochlear nerve --\> ventral the dorsal cochlear nucleus --\> Lateral lemniscus --\> Inferior coliculus --\> Medial Geniculate --\> Temporal lobe "LIM"

Question 35

What is the order or pathway in which sound travels?

Answer 35

External auditory meatus --\> Tympanic Membrane (ear drum) --\> Handle of malleus --\> Head of the malleus --\> Incus --\> Stapes --\> Oval window --\> cochlea --\> Round window M.I.S O.C.R.

Question 36

What canals deal with angular acceleration and deceleration?

Answer 36

Semicircular canals

Question 37

What canals deal with linear acceleration?

Answer 37

Utricle & Saccule

Question 38

What is the tube going from the middle ear to the nasopharyngeal area?

Answer 38

Auditory tube

Question 39

What is the auditory tube aka?

Answer 39

Eustachian tube

Question 40

What is the cause of glaucoma?

Answer 40

intraocular pressure

Question 41

What contains perilymph?

Answer 41

cochlea

Question 42

What structures contain endolymph?

Answer 42

Scala media Saccule Utricle Semicircular ducts

Question 43

Cones are for......

Answer 43

color

Question 44

Atreous humor associate with ....

Answer 44

anterior

Question 45

Vitrious humor associate with....

Answer 45

posterior

Question 46

What is an IVD remnant?

Answer 46

Nucleus pulposus

Question 47

EOP and IOP are confluences of \_\_\_\_\_\_\_\_\_\_

Answer 47

sinuses

Question 48

Fovea centralis = \_\_\_\_\_\_\_\_\_

Answer 48

greatest acuity

Question 49

Optic disc is the _______ \_\_\_\_\_\_\_

Answer 49

blind spot