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Skull > Skull > Flashcards

Skull Flashcards

1
Q

Which cranial bone contains the sella turcica?

A

Sphenoid

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2
Q

The thick is the most dense aspect of the cranium is the

A

Petrous Pyramid

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3
Q

Which cranial suture separates the frontal and parietal bones

A

Coronal

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4
Q

Which cranial suture separates the parietal and temporal bones

A

Squamosal

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5
Q

The widest part of the cranium is between the

A

Right and left parietal bones

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6
Q

How many bones are found in the cranium

A

8

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7
Q

Which four bones articulate with the frontal bone

A

R & L parietal
Sphenoid
Ethmoid

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8
Q

Which 3 bones articulate with the temporal bone

A

Parietal, Occipital, and Sphenoid

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9
Q

Sella Turcica articulations

A

Parietal, Occipital, and Sphenoid

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10
Q

Ethmoid bone articulations

A

Frontal & sphenoid

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11
Q

Where is the petrous ridge located

A

Temporal bo e

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12
Q

Where is the jugular foramina located

A

Temporal

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13
Q

What is at the level of petrous ridges

A

TEA
Top of Ear Attachment

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14
Q

Name the bones of the FLOOR

A

R & L temporal
Sphenoid
Ethmoid

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15
Q

Skullcap bones

A

Front
R & L parietals
Occipital

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16
Q

smooth, raised prominence between the eyebrows just above the bridge of the nose

A

Glabella

17
Q

Slight depression above each eyebrow

A

Supraorbital groove

18
Q

What are the orbital plates separated by

A

Ethmoidal not h

19
Q

Widest portion of skull

A

Parietal tubercles

20
Q

Prominent bump on back of head

A

Inion

21
Q

What do the temporal bones house

A

Organs of hearing

22
Q

Petrous ridges houses what

A

hearing organs

23
Q

Roosters comb

A

Crista galli

24
Q

What does the perpendicular plate help form

A

Bony nasal septum

25
Q

The small upper horizontal portion of the ethmoid bone

A

Cribiform plate

26
Q

This contains many small openings or foramina through which segmental branches of olfactory nerves (smell nerves) pass

A

Cribiform plate

27
Q

Projects superiorly from cribiform plate

A

Crista galli

28
Q

Largest fontanel

A

anterior fontanel

29
Q

How long is the EAM

A

1 inch

30
Q

Tympanic membrane aka

A

eardrum

31
Q

three main portions of the middle ear

A

tympanic membrane
tympanic cavity
auditory ossicles

32
Q

The area above the level of the EAM and the eardrum is called

A

Attic or epitympanic recess

33
Q

passageway between the middle ear and the nasopharynx

A

Eustachian tube

34
Q

Vibrations are first picked up by the

A

Malleus

35
Q

forms the superior part of each orbit

A

Orbital plate

Skull (1 decks)

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