Final Exam Review from Class
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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What bones make up the cranial floor? | show 🗑
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Which projection(s) is best for demonstrating medial and lateral displacement of the mandibular rami? | show 🗑
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The Central Ray will pass through the level of the EAM on which projection of the skull? | show 🗑
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The fibrous joints of the face and skull are called ____________. | show 🗑
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Which projection will best demonstrate the floor of the orbits? | show 🗑
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show | Between the Frontal and both parietal bones
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What line is perpendicular to the IR for the AP Axial projection of the Zygomatic Arch? | show 🗑
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What line is parallel and which line is perpendicular to the IR for the lateral projection of the skull? | show 🗑
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show | Maxillary
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What structure should be projected below the Maxillary sinus for a Waters Projection? | show 🗑
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show | IOML
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What suture is located between the Occipital and Parietal bones? | show 🗑
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show | MML
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What is the junction between the Occipital bone, Parietal bone, and Mastoid process? | show 🗑
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show | 35 degrees Caudad (enters 3" above nasion)
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show | Axiolateral Oblique Projection
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What is the Central Ray angle and entrance point for the Law method of the TMJ? | show 🗑
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show | AML Horizontal and parallel to the transverse axis of the IR; MSP of the head rotated 15 degrees toward the IR
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What line should be perpendicular to the plane of the IR for the Waters method? | show 🗑
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show | Frontal, Left & Right Parietal, Occipital
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What suture is located between the Parietal and Temporal Bones? | show 🗑
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If the patient cannot be placed in the upright position for the paranasal sinuses, what is the next best position? | show 🗑
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What is the central ray angle for the Caldwell projection of the skull? | show 🗑
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show | 37° Caudad (entering 2.5" above the glabella)
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show | PA Axial; 25° Cephalad; Enters 1.5" below External Occipital Protuberance and exits 1.5" above nasion
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How many facial bones are there? | show 🗑
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show | 20-25° Cephalad to exit the Acanthion
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show | Perpendicular (0°) or Parallel to the MML
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What line should be parallel to the IR for the SMV projection of the Zygomatic Arches? | show 🗑
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show | Along the MSP at a level 3/4" anterior to the EAM
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show | OML
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How is the Central Ray positioned for a Tangential Projection of the Zygomatic Arches? | show 🗑
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For the SMV projection of the Cranial Base, the Central Ray is perpendicular to what line? | show 🗑
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How many bones in the cranial group? | show 🗑
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If the IOML is parallel to the IR what is the Central Ray angle for the SMV projection? | show 🗑
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Where does the Central Ray exit for the Waters projection? | show 🗑
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show | 30° toward the IR
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show | True lateral
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show | Rotated 45 degrees toward the IR
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show | Perpendicular to the IOML; Enters 1" Posterior to the outer canthus on the side being examined
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The Sagittal suture is between what? | show 🗑
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show | ⊥ to IOML, & entering MSP of the throat at a level 1" Posterior to the outer Canthus
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show | ⊥ to exit the Nasion
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How many bones in the skull? And how many in each group? | show 🗑
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show | IOML
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show | Zygoma
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show | The Lambda and Sagittal sutures (where both parietal bones and the Occipital bone meet)
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show | Along the lateral surface of the Zygomatic bone midway between the Outer Canthus and the EAM
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show | The Nasion
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For both the PA and PA Axial (Caldwell) projection of the skull, what should be touching the IR? | show 🗑
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show | IOML
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What is the respiration phase for all projections of the Facial Bones and Paranasal Sinuses? | show 🗑
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The Schuller method for the TMJ is a ______________________ projection. | show 🗑
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show | MSP Parallel with the plane of the IR (Interpupillary line ⊥ to IR)
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For the Tangential Projection of the Zygomatic Arch, how is the head tilted and which way? | show 🗑
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The Haas method is a _______________ projection of the cranium. | show 🗑
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show | 25 Degrees Cephalad; Enters 1.5" below External Occipital protuberance and exits 1.5" above Nasion
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show | Perpendicular to the IR
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show | 30 Degrees Caudad entering 1" above the nasion
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What line should be perpendicular to the IR for the Townes projection? | show 🗑
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show | 25 Degrees Cephalad
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show | Centered 2" above the EAM
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For the lateral projection of the Skull, what line is perpendicular to the plane of the IR? | show 🗑
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What line should be perpendicular to the IR for the AP Axial projection of the TMJ articulation? | show 🗑
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show | IOML
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Which projections will demonstrate BOTH Zygomatic Arches? | show 🗑
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Where will the Petrous Ridges appear on a Waters projections for the Sinuses? | show 🗑
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