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Skull Checkoff (125)
Skull, Sinus & Facial Bones Checkoff
| Question | Answer |
|---|---|
| Every Skull projection will be done at what SID? | 40 Inch |
| Breathing Instructions for all Skull Projections | Suspended Respiration |
| Patient Position for all Laterals | Interpupillary line (IPL) perpendicular to the IR |
| Patient Position for all Laterals | Infraorbitomeatal line (IOML) parallel to the floor |
| Patient Position for all Laterals | MSP of HEAD parallel to the IR |
| Patient Position for all Laterals | Standing or seated in anterior oblique position, with the side of head of interest against the board |
| Lateral Skull Collimation | 10 x 12 crosswise (landscape) |
| Lateral Facial Bones Collimation | 10 x 12 lengthwise (portrait) Be sure to Include; Anterior: shadow of the tip of the nose, Posterior: EAM Superior: 1 inch above the supraorbital margins Inferior: mandible |
| Lateral Sinus Collimation | 8 x 10, lengthwise (landscape) |
| Lateral Nasal Bones Collimation | 4 x 4 |
| PA Axial Skull, Caldwell Method Collimation | 10 x 12 lengthwise (portrait) with CR angled 15° caudad |
| PA Axial Sinus, Caldwell Collimation | 8 x 10 lengthwise (portrait) with CR Perpendicular, Chin elevated so OML forms 15° angle with IR |
| PA Skull Collimation | 10 x 12 lengthwise (portrait) |
| AP Axial Skull (Towne Method) Collimation | 10 x 12 lengthwise (portrait) OML perpendicular to IR, CR = 30° caudad, IOML perpendicular to IR, CR = 37° caudad, |
| Waters Facial Bones Collimation | 10 x 12 lengthwise (portrait) Hyperextend the neck so that the MML is perpendicular to the IR |
| Waters Sinus Collimation | 8 x 10 lengthwise (portrait) or collimate in to include: Lateral sides: about 1 inch beyond skin shadow Superior: at shadow of top of head Inferior: occlusal plane |
| Parietoacanthial Facial & Sinus Projections are also called | Waters |
| Tilt Patient's Chin Down to assist positioning for a | AP Axial Skull (Towne Method) |
| What X-Ray requires the Central Ray to enter at the Zygomatic Bone? | Lateral Facial Bones |