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NBS REVIEW > Special senses > Flashcards

Special senses Flashcards

0
Q

Which taste paplillae are Cylindrical, largest, least in number, bitter receptors, 8-12 V shaped form and anterior to the sulcus terminalis

A

Circum “Vallate”

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1
Q

Taste papillae project from where

A

the tongue where taste buds are embedded

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2
Q

which taste papillae are mushroom shaped, most numerous taste receptors and on the tip of the tongue

A

Fungiform

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3
Q

which taste papillae are posterior roof/mouth lateral margins

A

Follate

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4
Q

which taste papillae are thread-like, sensitive to touch (no taste though)

A

Filiform

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5
Q

what is the nerve supply to the anterior 2/3 of the tongue

A

CN VII to the chorda tympani to the pterygopalatine to the solitary tract and nucleus

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6
Q

what is the nerve supply to the posterior 1/3 of the tongue

A

CN IX

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7
Q

what can one taste on the anterior 2/3 of the tongue

A

Sweet, Salty, Sour

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8
Q

what can one taste on the posterior 1/3 of the tongue

A

Bitter

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9
Q

What is the nerve supply of the epiglottis and larynx

A

CN X (Bitter)

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10
Q

The foramen caecum is what

A

Embryonic thyroid diverticulum (dorsal depression of tongue)

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11
Q

The olfactory bulb is where

A

the limbic area

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12
Q

what does the olfactory bulb contain

A

granular, mitral and tufted cells and a glomerulus

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13
Q

what is the nerve supply and path of olfaction

A

CN I to the cribriform plate of ethmoid bone to the lateral olfactory stria to the uncus or medial olfactory stria to the subcallosal gyrus

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14
Q

what is the main chemoreceptor for olfaction

A

Pseudo-stratified columnar epithelium on the upper surface of the superior concha

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15
Q

the retina develops from what

A

ectoderm

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16
Q

the sclera is derived from what

A

dura

17
Q

the retinal cells include

A

Amacrine, bipolar, ganglion, horizontal, and pigments, rods and cones (rhodopsin)

18
Q

what is the nerve supply and path of the optic nerve

A

Retina to the optic nerve to the optic chiasm to the optic tract to the lateral nucleus to the optic radiation to the calcarine fissure of the occipital lobe

19
Q

In the retina what is the fovea centralis

A

center of the macula lutea which provides greates acuity and only contains cones

20
Q

in the retina the optic disc is where what happens

A

the optic nerve and vessels attach to the eye

21
Q

where is the eyes blind spot

A

on the optic disc

22
Q

ciliary muscles control what

A

lens shape

23
Q

what is the nerve supply and pathway for hearing

A

spiral ganglion to cochlear nerve to ventral then dorsal cochlear nucleus to lateral lemniscus to inferior colliculus to medial geniculate to Temporal Lobe “LIM”

24
Q

What is the path that sound travels

A

External auditory meatus to tympanic membrane (ear drum) to handles of malleus to head of the malleus to the incus to the oval window to the cochlea to the round window

25
Q

where is the auditory tube (Eustachian tube) located

A

middle ear to nasopharygeal area

26
Q

The semicircular canals aid in what

A

angular acceleration and deceleration

27
Q

the utricle and saccule aid in what

A

linear acceleration

28
Q

the cochlea is full of what

A

perilymph

29
Q

The base of the tympanic membrane picks up what sounds

A

high pitch sounds

30
Q

glaucoma is what

A

intraocular pressure increase

31
Q

Glaucoma is caused by what

A

blockage of the canal of schlemm

32
Q

where is vitreous humor located in the eye

A

posterior eye

33
Q

where is aqueous humor located in the eye

A

anterior chambers

34
Q

What is a remnant of the IVD

A

nucleus pulposus

35
Q

cones are for what

A

color vision

36
Q

What are some structures that contain endolymph

A

Scala media
saccule
utricle
semicircular ducts

37
Q

confluence of sinuses make up

A

EOP and IOP

38
Q

the fovea centralis does what with acuity

A

increases it

39
Q

where is ones blind spot located

A

the optic disc

NBS REVIEW (8 decks)

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