Exam 3; Skull positioning

8

how many cranial bones are in the skull

orbitomeatal

which positioning line extends from the EAM to the outer canthus

glabella

which positioning landmark is the smooth elevation that is located between the superciliary arches

nasion

which positioning landmark is located at the most superior point of the nasal bones

lambdoidal

which suture is located between the parietal bones and the occipital bone

coronal

which suture is located between frontal and parietal bones

bregma

the suture junction that is located at the top of the frontal bone where coronal and sagittal sutures meet is

fontanels

what are the areas of incomplete calcification in the suture joints of a newborn

which bone articulates with the first cervical vertebra

occipital

sphenoid

on what bone is the foramen ovale located

sphenoid

what cranial bone is the sella turcica located in

mesocephalic

which skull classification refers to a typical skull

40 degrees

how many degrees are in the angle formed between the midsagittal plane and the petrous pyramids in a dolichocephalic skull

ethmoid

what cranial bone is the crista galli located on

ethmoid

on which cranial bone is the perpendicular plate located

occipital

on what bone is the EOP located

temporal

which cranial bone has a petrous pyramid and mastoid process

sella turcica

the pituitary gland sits within this feature of the sphenoid bone

foramen rotundum

which of the following are found in the sphenoid bone

sphenoid

which bone has both greater and lesser wings

nasion

with reference to the patient, where should you center for the PA projection of the skull

30 degrees caudad

for the AP projection, towne method, of the skull, how many degrees and in which direction should the central ray be directed with the OML is perpendicular to the IR

infraorbitomeatal line

which positioning line should be parallel with the IR for the SMV projection of the skull

1 and 2

which of the following methods will demonstrate the dorsum sellae and posterior clinoid process within the foramen magnum

1. haas (PA axial)

2. Towne (AP axial)

3. schuller (SMV)

PA axial, caldwell method

Which projection of the skull projects the petrous ridges in the lower third of the orbits

the orbital roofs should be superimposed

which evaluation criterion pertains to the lateral projection of the skull

25 cephalad

how many degrees and in which direction should the central ray be directed for the PA axial, Haas method

submentovertical projection, schuller method

which projection/method best demonstrates the cranial base

2” superior to the EAM

Where does the central ray enter for the lateral projection of the skull

OML

both the PA skull and the pa axial caldwell skull projection require the _____ to be perpendicular to the image receptor

15 degrees caudad

for the pa axial caldwell projection what is the proper angle and direction of the central ray

2.5 superior to glabella

Where does the central ray enter for the AP axial towne method

tripod fracture

what is the fracture that involves the zygomatic arch, orbital floor/rim, and frontozygomatic suture

paget disease

this pathology results in excessive abnormal bone growth, characterized by pothole looking lesions in the skull