PA/AP, Townes, Lateral, Waters, SMV Quiz

which skull projection demonstrates the frontal bone and facial symmetry?

a. PA skull

b. townes

c. SMV

d. water’s

a. PA skull

in an AP axial towne’s projection, the CR is angled caudally by approximately:

a. 10 degrees

b. 20 degrees

c. 30 degrees

d. 37 degrees

d. 37 degrees

the water’s view is primarily used to evaluate the:

a. mandible

b. paranasal sinuses

c. zygomatic arches

d. TMJ

b. paranasal sinuses

which skull projection best demonstrates the cranial vault in profile?

a. SMV

b. lateral

c. PA axial

d. townes

b. lateral

the SMV projection is also known as the:

a. towne’s method

b. basal projection

c. reverse water’s

d. tangential view

b. basal projection

which structure is best visualized on the water’s projection?

a. occipital bone

b. maxillary sinuses

c. petrous ridges

d. foramen magnum

b. maxillary sinuses

in a lateral skull projection, the interpupillary line should be:

a. parallel to the IR

b. perpendicular to the IR

c. at a 45 degree angle

d. centered to the chin

b. perpendicular to the IR

which projection best demonstrates the occipital bone and foramen magnum?

a. townes

b. water’s

c. PA skull

d. lateral

a. townes

the CR for a PA skull exits at the:

a. nasion

b. glabella

c. acanthion

d. vertex

a. nasion

which projection is commonly used to evaluate facial trauma involving the orbital floors?

a. townes

b. water’s

c. SMV

d. lateral

b. water’s

the zygomatic arches are best demonstrated using which projection?

a. tangential SMV

b. townes

c. PA axial

d. lateral

a. tangential SMV

for an AP axial skull projection, the OML is positioned:

a. perpendicular to the IR

b. parallel to the IR

c. at a 37 degree angle

d. centered to the MSP

a. perpendicular to the IR

which skull projection demonstrates both orbits equally with minimal distortion?

a. PA skull

b. waters

c. SMV

d. townes

a. PA skull

in the water’s method, the MML forms approximately what angle to the IR?

a. 15 degrees

b. 37 degrees

c. 90 degrees

d. 30 degrees

c. 90 degrees

which projection best demonstrates the sphenoid sinus:

a. townes

b. SMV

c. lateral

d. water’s

c. lateral

a bilateral zygomatic arch study commonly requires:

a. towne’s projection

b. tangential projection

c. reverse water’s

d. AP axial only

b. tangential projection

which mandible projection demonstrates the mandibular body?

a. AP axial

b. axiolateral oblique

c. townes

d. SMV

b. axiolateral oblique

the mandibular rami are best demonstrated on which projection?

a. PA mandible

b. towne’s

c. axiolateral oblique

d. reverse water’s

a. PA mandible

which skull projection requires the patient to extend the neck significantly?

a. lateral

b. towne’s

c. SMV

d. PA skull

c. SMV

the orbitiomeatal line (OML) extends from the:

a. outer canthus to the EAM

b. nasion to mentum

c. acanthion to EAM

d. glabella to mastoid tip

a. outer canthus to the EAM