MIDTERM PT. 5 (SKULL PROJECTIONS)

Question 1

WHAT ARE THE 7 SKULL PROJECTIONS

Answer 1

1. PA PROJECTION
2. PA AXIAL PROJECTION/ CALDWELL METHOD
3. LATERAL PROJECTION
4. AP AXIAL PROJECTION/ TOWNE METHOD
5. PA AXIAL PROJECTION/ HAAS METHOD
6. SUBMENTO VERTICO PROJECTION/ FULL BASAL PROJECTION/ SCHULLER METHOD
7. VERTICO SUBMENTOL PROJECTION

Question 2

IN PA PROJ. WHAT PART OF THE PX IS AGAINST THE BUCKEY SURFACE

Answer 2

NOSE & FOREHEAD

Question 3

PA PROJ: OML IS ___ TO IR; ALIGN ___ PERPENDICULAR TO MIDLINE OF THE TABLE

Answer 3

PERPENDICULAR
MSP

Question 4

PA PROJ: CR

Answer 4

CR IS PERPENDICULAR TO IR
CENTERED TO AND EXITS GLABELLA

Question 5

PA PROJ: STRUCTURE SHOWN

Answer 5

PARS PETROSA
FRONTAL BONE
CRISTA GALLI
FRONTAL& ETHMOID SINUSES
GREATER AND LESSER WING OF SPHENOID
PETROUS RIDGES FILL THE ORBITS

Question 6

PERTAINS TO TUBE ANGULATION

Answer 6

AXIAL

Question 7

WHAT PART OF THE PX’S BODY ARE AGAINST THE BUCKY SURFACE IN A PA AXIAL PROJ./ CALDWELL METHOD

Answer 7

NOSE & FOREHEAD

Question 8

PA AXIAL PROJ./ CALDWELL METHOD:
____ MUST BE ___ TO IR

Answer 8

OML
PERPENDICULAR

Question 9

PA AXIAL PROJ./ CALDWELL METHOD: CR

Answer 9

15 DEGREES CAUDAD. TO EXIT NASION

Question 10

PA AXIAL PROJ./ CALDWELL METHOD: STRUCTURE SHOWN

Answer 10

PARS PETROSA (PETROUS RIDGE) LOWER- 1/3 OF THE ORBITS
FRONTAL BONE
ORBITAL RIM
ANTERIOR ETHMOIDAL AIR CELLS

Question 11

LATERAL PROJECTION: POSITION IS ___

Answer 11

OBLIQUE

Question 12

A PROJECTION: PLACE THE HEAD IN A TRUE LATERAL POSITION WITH THE PXN’S BODY AS OBLIQUE AS NEEDED FOR COMFORT

Answer 12

LATERAL PROJECTION

Question 13

LATERAL PROJECTION:
MSP IS ___ TO IR
ALIGN INTERPUPILLARY LINE (IPL) ___ TO IR
IOML MUST BE ___ TO IR

Answer 13

PARALLEL
PERPENDICULAR
PARALLEL

Question 14

LATERAL PROJECTION: THE BASIS IF YOU’RE IN AN OBLIQUES POSITION

Answer 14

SCOTTY DOG

Question 15

LATERAL PROJECTION:
CR IS ___ TO IR

Answer 15

PERPENDICULAR

Question 16

LATERAL PROJECTION: RP (REFERENCE POINT) IS

Answer 16

2 INCHES SUPERIOR TO EAM

Question 17

LATERAL PROJECTION: CR

Answer 17

3/4 ANTERIOR & 3/4 SUPERIOR TO EAM

Question 18

LATERAL PROJECTION: STRUCTURE SHOWN

Answer 18

SELLA TURCICA & CLIVUS IN PROFILE
SUPERIMPOSED CRANIAL HALVES WITH THE LATERAL DETAILS CLOSEST TO THE IR ARE DEMONSTRATED
4 SINUSES: FRONTAL, MAXILLA, SPHENOID, ETHMOID)

Question 19

LATERAL PROJECTION: FOR TRAUMA PX

Answer 19

CROSS TABLE LATERAL

Question 20

____ DEMONSTRATE AIR FLUID LEVEL IN THE SPHENOID SINUSES

Answer 20

CROSS TABLE LATERAL

Question 21

CROSS TABLE LATERAL: CR

Answer 21

PERPENDICULAR TO IR
3/4 ANTERIOR & 3/4 SUPERIOR TO EAM

Question 22

___ RULE OUT SPHENOIDAL EFFUSION

Answer 22

CROSS TABLE LATERAL

Question 23

CROSS TABLE LATERAL: STRUCTURE SHOWN

Answer 23

SELLA TURCICA

Question 24

WHAT PROJECTION/ METHOD: DEPRESS THE PXN’S CHIN, BRINGING IML PERPENDICULAR TO IR

Answer 24

AP AXIAL PROJECTION / TOWNE METHOD

Question 25

AP AXIAL PROJECTION / TOWNE METHOD: CR

Answer 25

CR 30 DEGREES CAUDAD TO OML 37 DEGREES CAUDAD TO IOML

Question 26

AP AXIAL PROJECTION / TOWNE METHOD: REFERENCE POINT

Answer 26

2.5 INCHES ABOVE THE GLABELLA

Question 27

WHAT PROJECTION/ METHOD: FORAMEN MAGNUM MUST BE CYLINDRICAL TO CORRECT ANGULATION

Answer 27

AP AXIAL PROJECTION / TOWNE METHOD

Question 28

AP AXIAL PROJECTION / TOWNE METHOD: STRUCTURE SHOWN

Answer 28

OCCIPITAL BONE PETROUS PYRAMIDS FORAMEN MAGNUM DORSUM SULLAE POSTERIOR CLINOIDS IN THE SHADOW OF FORAMEN MAGNUM

Question 29

WHAT POSITION AND ANGULATION IS SUITED FOR PX WITH OCCIPITAL FRACTURE

Answer 29

AP POSITION 30 DEGREES CAUDAD

Question 30

AP AXIAL PROJECTION OF CRANIUM: "CAGT"

Answer 30

CHAMBERLAIN ALTSCHUL GRASHEY TOWNE

Question 31

WHAT PART OF THE PXN'S BODY ARE RESTED IN A PA AXIAL PROJECTION/ HAAS METHOD

Answer 31

HEAD RESTED ON THE FOREHEAD & NOSE

Question 32

AP AXIAL PROJECTION / TOWNE METHOD: CR ANGLUATION ____ ENTERS ___ INCH BELOW THE ___ AND EXITS AT ____ INCH ABOVE THE ____

Answer 32

1 1/2 INCH INION 1 1/2 INCH NASION

Question 33

AP AXIAL PROJECTION / TOWNE METHOD: STRUCTURE SHOWN

Answer 33

SELLA TURCICA

Question 34

AP AXIAL PROJECTION / TOWNE METHOD: STRUCTURE SHOWN

Answer 34

SELLA TURCICA SELLAR STRUCTURES SEEN WITHIN THE FORAMEN MAGNUM

Question 35

WHAT PROJECTION OR METHOD: HYPEREXTEND THE NECK AND RAISE THE CHIN AS POSSIBLE UNTIL IOML IS PARALLEL TO IR

Answer 35

SUBMENTO VERTICO PROJECTION/ FULL BASAL PROJECTION/ SCHULLER METHOD

Question 36

SUBMENTO VERTICO PROJECTION/ FULL BASAL PROJECTION/ SCHULLER METHOD: PXN'S HEAD REST ON ____

Answer 36

VERTEX

Question 37

SUBMENTO VERTICO PROJECTION/ FULL BASAL PROJECTION/ SCHULLER METHOD: CR

Answer 37

CR IS PERPENDICULAR TO IOML

Question 38

SUBMENTO VERTICO PROJECTION/ FULL BASAL PROJECTION/ SCHULLER METHOD: REFERENCE POINT

Answer 38

3/4 INCH ANTERIOR TO LEVEL OF EAM (MIDWAY BETWEEN ANGLES OF MANDIBLE)

Question 39

SUBMENTO VERTICO PROJECTION/ FULL BASAL PROJECTION/ SCHULLER METHOD: STRUCTURE SHOWN

Answer 39

ZYGOMA (BASAL SKUL) BASE OF THE SKULL FORAMEN MAGNUM OVALE SPINOSUM MANDIBLE HARD PALATE ZYGOMATIC ARCHES PETROUS RIDGES ETHMOID & SPHENOID SINUSES OCCIPITAL BONE

Question 40

OTHER TERM FOR SUBMENTO VERTICO PROJECTION IS?

Question 41

ALSO KNOWN AS WATER'S VIEW

Answer 41

VERTICO SUBMENTO PROJECTION

Question 42

VERTICO SUBMENTO PROJECTION: TRUE WATER (ANGULATION)

Answer 42

30 DEGREES

Question 43

VERTICO SUBMENTO PROJECTION: SHALLOW WATER (ANGULATION)

Answer 43

50 DEGREES

Question 44

VERTICO SUBMENTO PROJECTION/ WATER'S VIEW: CR

Answer 44

CR PASSES THROUGH A POINT 3/4 INCH ANTERIOR TO THE LEVEL OF EAM