Quiz 1

Question 0

Number of facial bones

Answer 0

•14

Question 1

Number of cranial bones

Answer 1

•8

Question 2

Fibrous ridged joints in the skull

Answer 2

•sutures

Question 3

Number of sutures

Answer 3

•4

Question 4

Which cranial bone contains the external auditory/canal

Answer 4

•temporal bone

Question 5

The foramen magnum is located on which bone

Answer 5

•occipital bone

Question 6

Which bones form the roof of the skull

Answer 6

•parietal bones

Question 7

Ethmoid bone is situated

Answer 7

•Between the orbits

Question 8

OML stands for

Answer 8

•orbitomeatal line

Question 9

OML two references

Answer 9

• External acoustic meatus

* outer canthus (corner of eye)

Question 10

Gonion

Answer 10

•angle of mandible

Question 11

Glabella

Answer 11

•between the eyebrows

Question 12

Nasion

Answer 12

•between the eyes top the nose

Question 13

Interpupillary line

Answer 13

•line crossing the pupils

Question 14

Glabellomeatal line reference

Answer 14

• external acoustic meatus EAM-

* Glabella

Question 15

Acanthion

Answer 15

•the base of the nasal spine

Question 16

Skull lateral position

Answer 16

• patient semi-prone or seated erect

* patients midsagittal plane is parallel to table & interpupillary line is perpendicular to table.

Question 17

Mentomeatal line refrence

Answer 17

• external acoustic meatus EAM-

* mental point (chin)

Question 18

Mental point

Answer 18

•chin

Question 19

Acanthiomeatal line reference

Answer 19

• external acoustic meatus EAM-

* acanthion

Question 20

Skull lateral reference point

Answer 20

•2” superior to EAM that is up

Question 21

PA Axial Caldwell CR

Answer 21

• CR 15 degrees cuadad

* exiting the nasion

Question 22

IOML stands for

Answer 22

•infraorbitalmeatal line

Question 23

Glabelloalveolar line

Answer 23

•smack down the face in profile

Question 24

If patient is lateral what plane is parallel to IR

Answer 24

•midsagittal plane

Question 25

For most PA or AP projections the the mid-sagittal plan (MSP) & what other plane are perpendicular

Answer 25

•OML

Question 26

AP axial skull CR

Answer 26

• 15 degrees cephalad

* entering the nasion

Question 27

During a Townes what showes up in the foramen magnum

Answer 27

• dorsum sellae

* posterior clenoid

Question 28

Which skull projection makes the orbits appear the largest

Answer 28

•AP Axial Reverse Caldwell

Question 29

Two angulations for the AP Axial townes

Answer 29

•30 degrees cuadad to OML 37 degrees to the IOML

Question 30

AP Axial Townes CR

Answer 30

• CR enters 2-1/2” superior to Glabella
• 30 degrees cuadad to OML
• 37 degrees to IOML

Question 31

Lateral structure shown

Answer 31

•sella turcica in profile

Question 32

PA Axial Caldwell structures shown

Answer 32

• frontal bone

* orbits with Petrous ridges in lower third

Question 33

AP Axial reverse Caldwell CR

Answer 33

•enters nasion 15 degrees cephalic

Question 34

PA Axial (Haas, Reverse Townes) CR

Answer 34

• enters 1-1/2” below the external occipital protuberance (inion)
• angled 25 degrees cephalic to OML

Question 35

SMV stands for

Answer 35

•Submento vertex

Question 36

SMV CR

Answer 36

•perpendicular to IOML

Question 37

SMV reference point

Answer 37

•Through EAM

Question 38

SMV shows

Answer 38

•sinuses