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Head study questions

study for review class

What is encephalitis? inflammation of the brain
What is the base of the cranium made up of? 1.right temporal 2.left temporal 3.ethmoid 4.sphenoid
What is the calvarium (skull cap) made up of? 1.frontal 2.occipital 3.right parietal 4.left parietal
Which of the following positions/projections will best demonstrate a "blow-out" fracture of the orbit? PA (modified Waters) projection
Which position/projection would be used to best demonstrate the frontal bone? PA (Caldwell) projection
What is the name of the part of the temporal bone that houses the organs of hearing and equilibrium? Petrous
Which position/projection would be used to best demonstrate the occipital bone? AP axial (Towne) projection
Which of the following bones does NOT help form the base of the orbit? Nasal
The parietoacanthial (Waters) projection will best demonstrate which of the following sinuses? Maxillary
Of the following radiographic projections, which one will show all of the paranasal sinuses? Lateral
Which of the following projections would demonstrate the facial bones and the zygomatic arches? Parietoacanthial (Waters) projection
For a lateral (Schuller) projection of the TMJ's, how is the central ray angled? 25 degrees caudad
An AP projection of the skull with a 30 degree caudad angle will best demonstrate which cranial bone? Occipital
For the lateral (Law) projection of the TMJ's, how much is the central ray angled and in which direction? 15 degrees caudad
The cribriform plate is a part of which of these bones? Ethmoid
For a submentovertex (full basal) projection, what line is parallel to the plane of the image receptor? Infraorbitomeatal line
Which of the following areas would have to be radiographed in order to demonstrate the sphenoid strut? Orbit
For an AP 0 degree (Caldwell) projection of a trauma skull, where will the central ray enter? Glabella
Which of the following will best be demonstrated with a submentovertex (full basal) projection of the skull? Base of cranium
What are the names of the "L" shaped bones that are located posterior to the nasal cavity? Palatine
What is the flat, major part of the parietal bone called? Squamous portion
Which of the following is NOT one of the bones that composes the calvarium? Temporal
What position is obtained if the head is in a lateral position and the central ray enters the zygoma? Lateral facial bones
To best demonstrate the floor of the cranium, which position/projection would be used? Submentovertex (full basal) projection
If the foramen magnum is NOT well visualized on an AP axial (Towne) projection radiograph of the skull, what must be done to correct it? Increase CR angle caudally
The orbitomeatal line is perpendicular to the image receptor and the CR is angled 15 degrees cephalad. What projection is this? AP (Caldwell) projection
The perpendicular plate of the ethmoid bone articulates with which of the following facial bones? Vomer
Which of the following bones forms the major part of the hard palate? Maxillae
Which of the following would be an alternate projection for a patient who cannot flex his/her neck sufficiently for an AP axial (Towne) projection? PA axial (HAAS) projection
Which of the following topographical landmarks corresponds to the floor of the cranium? Supraorbital groove
What is the correct anatomical term describing the skull cap? Calvarium
Which of the following anatomical structures would NOT be found in the petrous portion of the temporal bone? Auricle
Where is the exact location of the optic foramen? Apex of the orbit
Created by: Chrslarsen