Which sinuses exhibits a definate cavity at birth?
What is maxillary sinuses
100
For the Axiolateral oblique projection: Mandible if you wanted to see the mentum the best which angulation or degree would you use?
What is 45 degrees
(pg. 429)
100
For a PA skull your central ray is parallel to
What is OML
(pg. 415)
100
All of the paranasal sinus cavities communicate with one another and with the nasal cavity?
What is True
100
In what position would demonstrate air fluid levels in the paranasal sinuses the best?
What is erect position
200
The posterior portion of the orbital cone is known as?
What is apex
200
With the Parietoacanthial (Waters) Projection for the facial bones the petrous pyramids are projected were?
What is just below the maxillary sinuses
(pg. 415)
200
For a PA axial projection Facial bones (Caldwell Method) the CR is at what degree and is it caudad or cephalad
What is 15 degrees and caudad
200
The Sphenoid sinuses are anterior located compared to the Ethmoid sinuses
What is False
(The Sphenoid bone is located posteriorly to the ethmoid sinuses)
200
What is the name of an infection of the sinus mucosa that may be acute or chronic. The patient complains of headache, pain, swelling over the affected sinus and possible a low grade fever.
What is Sinusitis
(pg. 417)
300
What three bones make up the base of the orbit
a) Frontal, Zygoma, Maxilla
b) Frontal, Temporal, Maxilla
c) Zygoma, Temporal, Ethmoid
d) Sphenoid, Ethmoid, Lacrimal
What is A Frontal, Zygoma, Maxilla
(Refer to pg. 411 under image 13-34)
300
Which view of the Sinuses will clearly demonstrate all 4 sinuses?
What is Lateral View
(pg. 438)
300
The lateral position of the nasal bones CR is directed were
What is 1/2 inch inferior to nasion
(pg.423)
300
The acanthion is just below your nose in between your upper lip and nose
What is True
300
What is the normal kV range used to provide sufficient contrast of the air-filled paranasal sinuses?
What is 70-80 kV
(pg.416)
400
How many Facial bones are there?
What is 14
400
Which facial positioning line should be perpendicular to the IR for the PA or PA axial projection of the mandible
What is OML
(pg.430)
400
For the zygomatic arches the Modidfied Towne Method CR would be angled at what degree? Caudad or cephalad?
What is 30 degrees caudad
(pg.427)
400
The lateral position for facial bones can either be done with the right or left side against board
What is True
(pg.419 Place side of interest closest to buckey)
400
When positioning for facial bone projections which position is preferred?
What is Erect position
(pg.415)
500
The bone also known as your cheek bones proper name is
What is Zygomatic bone or Zygomatic prominence (pg.404)
500
For the modified waters method for facial bones the OML should form a what degree line to the IR
What is 55 degree
(pg. 422)
500
For the AP axial Projection of the mandible the CR is angled how many degrees? Cephalad or caudad?
What is 35-42 degrees caudad
(pg.431)
500
With the axiolateral oblique projection : TMJs the TMJ nearest the image receptor is visible
What is True
(pg.436)
500
A condition when a patient has a basal skull fracture, and that either blood or cerebrospinal fluid is leaking through the fracture into the sphenoid sinuses, is a condition referred to what