Lab exam 2 Semester 3- Skulls, Orbits, Sinuses

Alskull respirations

suspend respiration

Lateral skull kvp

80

Lateral skull mas

8

skull focal spot

small

MSP in Lateral skull is

parallel

IOML is what to IR in Lateral skull

parallel

Lateral skull CR entering

2 inches above EAM

Lateral skull collimation

10×12 CW

WHat must you do in lateral skull if you do not have full skull

center higher

PA Skull mas

12.5

Rest _____ for PA Skull

forehead and nose

OML and MSP are what to IR in PA Skull

perpendicular

PA Skull CR

exits nasion

PA skull collimation

10×12 LW

WHat should you do if skull does not have light about skull in PA skull

raise CR

AP Axial Towne method Skull mas

16

Patient position for AP Axial Towne method Skull in lab

supine

AP Axial Towne method Skull MSP is what to IR

perpendicular

OML in AP Axial Towne method Skull is

perpendicuar to IR

CR angulation if OML is perpe to IR

30 degree caudal

CR angulation if IOML is perp to IR

37 degrees caudal

CR enters and exits where for AP Axial Towne method Skull

2.5 to 3 inches above glabella, exiting EAM

AP Axial Towne method Skull collimation

10×12 LW

WHat should you do in AP Axial Towne method Skull if no light above skull

open collimation slightly

SKull projection routine

Lateral (bilat), PA, AP Axial Townes

Lateral Orbits kvp

80

Lateral Orbits mas

8

MSP and what line are parallel to IR

IOML

CR for Lateral Orbits

through outer canthus, perpendicular

Lateral Orbits collimation

6×6

Parieto-
Acanthial
Projection:
Modified
Waters
Method mas

12.5

Rest what on IR for Parieto-
Acanthial
Projection:
Modified
Waters
Method

chin and nose

What lines are perp to IR in Parieto-
Acanthial
Projection:
Modified
Waters
Method

MSP and LML

At what angle is OML in a Parieto-
Acanthial
Projection:
Modified
Waters
Method

50-55 degrees

Parieto-
Acanthial
Projection:
Modified
Waters
Method CR location

through mid orbits

Parieto-
Acanthial
Projection:
Modified
Waters
Method collimation

8×8

Orbits rourtine

affected side lateral and modified waters

Sinuses Routine

Lateral, PA Axial Caldwell, PA Waters, SMV

Lateral Sinuses kvp and mas

65kvp, 8 mas

What lines are parallel to IR in Lateral Sinuses

MSP and IOML

Lateral Sinuses CR

1.5-1 inch posterior to outer canthus

Lateral Sinusescollimation

6×6

Lateral Sinuses marker

lower anterior corner near teeth

PA Axial:
Caldwell
Method kvp and mas

70kvp, 10 mas

What would you rest on IR for a PA Axial:
Caldwell
Method

forehead and nose

What lines are perp to IR in PA Axial:
Caldwell
Method

OML and MSP

PA Axial:
Caldwell
Method CR (angle) and location

15 degrees caudal, exit the nasion

PA Axial:
Caldwell
Method collimation

6×6

Parieto-
Acanthial
Projection:
Waters
Method kvp and mas

70kvp and 12.5 mas

Parieto-
Acanthial
Projection:
Waters
Method what rests on IR

chin

What line is perp to IR for Parieto-
Acanthial
Projection:
Waters
Method

MML and MSP

To what degree is OML forming in Parieto-
Acanthial
Projection:
Waters
Method

37 degrees

Parieto-
Acanthial
Projection:
Waters
Method CR

exits acanthion

Parieto-
Acanthial
Projection:
Waters
Method collimation

6×6

SMV technique factors

75 kvp, 20 mas

What line is perp to IR in SMV

MSP

WHat lines are parallel to IR in SMV

IOML and IPL

CR for SMV

perpendcular to IOML, enters 3/4in anterior to EAM

SMV collimation

6×6

Marker for SMV and Waters Method

mark upper lateral margin