Skull-Facial Bones-Sinuses
Help!
|
|
||||
|---|---|---|---|---|---|
| Which line is perpendicular to IR for Skull PA Caldwell | OML
🗑
|
||||
| CR angulation for Skull PA Caldwell | 15˚ caudal to exit the nasion
Alternate: 25-30˚ caudal to see sup orbital fissure, foramen rotunda and inferior orbital rim region
🗑
|
||||
| Where is the petrous pyramids projected when performing Skull PA Caldwell | Lower 1/3 of the orbits
🗑
|
||||
| Which lines do we use to position the pt for Lateral Skull | IPL perpendicular to IR
IOML perpendicular to the edge of IR
🗑
|
||||
| CR for Lat Skull | CR perpendicular to a point 2" above the EAM
🗑
|
||||
| Which structures are demonstrated in profile in a lateral skull | Sella Turcica and the clivus
🗑
|
||||
| Which line is perpendicular to IR for Skull AP Axial (Towne's) | OML or IOML perpendicular to IR
🗑
|
||||
| CR for Skull Towne's | OML 30˚ caudad/ IOML 37˚ caudad to a point 2.5" above the glabella (hairline)
🗑
|
||||
| Which structures are visualized in the shallow of the foramen magnum in a Skull Town's view | Sella turcica and clinoids
🗑
|
||||
| Best view of the skull to visualize the Occipital bone | Towne's
🗑
|
||||
| Which part of the pt's face is touching the IR for Skull PA Caldwell | Nose and forehead
🗑
|
||||
| In order to project the petrous pyramids into the lower third of the orbits when obtaining a PA caldwell projection of the cranium, the central ray should be directed | Caudad
🗑
|
||||
| Situation: a pt comes to rad for a routine study of the cranium. He’s unable to flex his head and neck sufficiently to place the OML perp to the IR for the AP axial projection, what should the tech do? | USE THE IOML AND INCREASE CR ANGULATION BY 7 DEG
🗑
|
||||
| During a parietocanthial (waters) projection, susie is instructed to rest her _______ on the table or upright Bucky | chin
🗑
|
||||
| Which set of the sinuses is projected thru the open mouth on a parietocanthial projection? | SPHENOID
🗑
|
||||
| On a lateral skull the sinuses that are located posterior and below the sella tursica are the: | SPHENOID SINUSES
🗑
|
||||
| The primary reason sinuses should be done erect is to demonstrate | Air-fluid levels
🗑
|
||||
| The pair of bones that form most of the lateral walls of the skull is the | Parietal
🗑
|
||||
| In an erect upper PA caldwell for sinuses which of the following would be angled 15 degrees? | OML 15˚ from horizontal
🗑
|
||||
| The SMV projection requires that the IOML is placed parallel to the IR | true
🗑
|
||||
| To demonstrate the floor of the cranium, what projection/position should be used | SMV
🗑
|
||||
| For the lateral projection of the paranasal sinuses, the IR is centered | Midway between the outer canthus and the EAM
🗑
|
||||
| Which variation of the PA axial projection of the skull has been performed if the petrous ridges are at the level of the supraorbital margin? | PA 0˚
🗑
|
||||
| The crista Galli is part of the ______ bone | Ethmoid
🗑
|
||||
| To properly demonstrate a submentovertex projection, the CR should be placed perpendicular to the ______ line | IOML
🗑
|
||||
| What is the proper angulation of the orbitomeatal line to the IR for a parietocanthaial projection (waters method) for the paranasal sinuses? | 37˚
🗑
|
||||
| On a PA skull with no angulation the petrous pyramids are demonstrated in the | On the center of the orbits
🗑
|
||||
| What are routine views for Skull | PA Axial Caldwell
PA 0˚
AP Axial Towne's
Lateral
🗑
|
||||
| What are the routine views for Facial Bones | PA Axial Caldwell
Parietoacanthial (Water's)
Lateral
🗑
|
||||
| Which line do we use to position the pt for Facial Bones (Water's) | MML perpendicular to IR
OML forms a 37˚ angle with the IR
🗑
|
||||
| Which part of the pt's face is touching the IR for Facial Bones (Water's) | The Chin
🗑
|
||||
| CR for Water's Facial Bones | CR perpendicular to exit the acanthion
🗑
|
||||
| CR for Lateral Facial Bones | Cr perpendicular to midpoint between the outer canthus and the EAM (zygoma)
🗑
|
||||
| Routine Views for Paranasal Sinuses | PA Caldwell
Water's
Lateral
SMV
🗑
|
||||
| What's the difference in positioning a Caldwell for Skull and one for Sinuses | For skull the OML is perpendicular to the IR and the CR is 15˚ caudad, while for sinuses the OML is 15˚ from horizontal and the CR is perpendicular
🗑
|
||||
| CR for lateral sinuses | CR perpendicular to midpoint the outer canthus and the EAM
🗑
|
||||
| CR for SMV | CR perpendicular to midpoint of mandibular angles (2" inferior to mandibular symphysis)
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
JenGlez