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RTE 1533 Test 1 Revw

RTE 1533 Test Review Week 1

QuestionAnswer
How many bones make up the facial bone region 14
The widest portion of the cranium is found at the level of the parietal tubercles
What is the name of the joint found between the lateral condylar processes of the skull and the superior articular process of C1 Atlanto-occipital joint
Which cranial bone articulates with all the other cranial bones Sphenoid
The slight depression above each eyebrow is termed the supraorbital groove
The left mastoid fontanel becomes the ___ in an adult left asterion
The are a total of ___ fontanels in an infant Six
Which of the following landmarks corresponds with the level of the petrous ridge Top of ear attachment (TEA)
The pituitary gland (hypophysis cerebri) is associated with and protected by the ___ bone. Sphenoid
Which cranial bone contains the foramen ovale Sphenoid
Which cranial bone contains the cribriform plate Ethmoid
Which of the following sutures separates the parietal from the occipital bone Lambdoidal
Which of the following terms describes the anterior fontanel found in the adult skull Bregma
Which of the following terms describes the small irregular bones occasionally found in the sutures Wormian
An average-shaped skull with a 47 degree angle between the petrous pyramids and the midsagittal plane is classified as mesocephalic
Which term describes the small flap of cartilage covering the opening to the ear Targus
What is the difference, in degrees, between the infraorbitomeatal and orbitomeatal lines 7 to 8 degrees
Which of the following factors is most critical for demonstrating air and/or fluid level withing the cranium Horizontal x-ray beam
(True/False) Lesions of decreased density are termed osteoblastic lesions False
Situation: A patient comes to radiology for a study of the sella turcica. Which of the following routines would best demonstrate this strucutre AP axial & lateral projections
How many bones make up the facial bone region 14
Which of the following cranial bones does not articulate with the parietal bones? (Frontal, Sphenoid, Occipital, or All of the above) All of the above
The frontal bone articulates with ____ cranial bones. Four
Which of the following landmarks corresponds with the level of the petrous ridge Top of ear attachment (TEA)
Which cranial bone contains the cribriform plate Ethmoid
Which of the following sutures separates the parietal from the occipital bone Lambdoidal
The ethmoid notch is part of which cranial bone Frontal
Situation: Dorsum sellae is projected below the foramen magnum, but the anterior arch of C1 is visible with the foramen. Excessive CR angulation
Situation: Orbital plates are not superimposed, one is slightly superior to the other Tilt
Situation: Study of the cranium, patient is unable to flex his head and neck sufficiently to place the OML perpendicular to the IR for the AP axial. Use the IOML and increase the CR angulation to 7 degrees
what is the largest immovable bone of the face Maxilla
Which facial bone forms the majority of the hard palate Maxilla
Which three cranial bones articulate directly with the zygomatic bone Frontal, spheniod, temporal
Which of the following structures are described as scroll-like projections found in the nasal cavity Conchae
Which two bones form the bony nasal septum Ethmoid and vomer
The upper and lower teeth are embedded in the alveolar processes
The posterior aspect of the orbit is termed the Apex
How many facial bones help make up the bony orbit four
what is the only paranasal sinus not contained within a cranial bone Maxillary
The term antrum of highmore is an older term for the maxillary sinuses
Which of the fontanels is the last to close at about 18 mounts of age Anterior
Situation: AP axial projection reveals that the dorsum sellae is projected below the foramen magnum, the anterior arch of C1 is visible within the foramen. Which of the following posit. error let to this Excessive CR angulation
Which of the following projections for the sella turcia best visualized the anterior clinoid processes AP axial, CR 30 degree caudal to IOML
Situation: Caldwell method reveals that the petrous ridge are located at the level of the lower one third of the orbits. The tech performed this projection with the CR angles 15 degrees caudal to the OML. How must positioning be altered Positioning was correct
Situation: A radiograph of a lateral projection of the cranium reveals that the orbital plates are not superimposed, one is slightly superior to the other. Which of the following positioning errors led to this outcome Tilt
Situation:A lateral cranium reveals that the mentum was cut off from the bottom of the image. A 10x12" IR was used and it was place crosswise. What must be altered if a repeat exposure is performed? None of the above; centering and IR placement were correct
Situation: Patient is unable to flex his head and neck sufficiently to place OML perpendicular to the IR for the AP axial projection. What should the tech. do to compensate for his problem without creating excessive mag. of the occipital bone Use the IOML and increase the CR angulation 7 degrees
Situation: A patient enters the ER with possible basilar skull fracture. Which of the following skull projections would best demo any blood present in the sphenoid sinus Horizontal beam lateral projection
Situation: A patient comes to radiology with possible bone cyst within the squamous portion of the frontal bone. Which of the following projections would best demo this region with a minimal amount of distortion of the frontal bone PA with no CR angulation to OML
Which of the following skull projections results in the highest thyroid dose Submentovertex
Which division of the temporal bone contains the organs of hearing and equilibrium Petrous
Which one of the following structures is part of the middle ear Tympanic cavity
To which aspect of the ear does the Eustachian tube attach Middle ear
Which of the following structures of the inner ear is responsible for hearing Cochlea
Where is the CR centered for a lateral projection of the cranium Two inches superior to EAM
Where is the CR centered for a lateral projection of the sella turcica three-fourths inch (2cm) anterior 3/4 inch (2cm) superior to EAM
Which cranial bone possesses the superior nasal conchea Ethmoid
Which cranial bone possesses the zygomatic process Temporal
Situation: A patient comes to radiology with a clinical history of an acoustic neuroma. Which of the following imaging modalities will provide the best assessment for this tumor MRI
Situation: A patient comes with a clinical history of a possible pituitary adenoma. Because this is a rural hospital, CT and MRI are not available. Which projection or position would best demo signs of erosion of the sella turcica because of the tumor Lateral position
How many facial bones help make up the bony orbit Four
Where are the ethmoid sinuses locted within the ethmoid bone? Lateral masses
The ____ passageway drains the maxillary sinus into the middle nasal conchae infundibulum
The ____ sinuses develop last and are not fully developed until the teenage years Ethmoid
Which bone is involved with a tripod fracture Zygomatic
Which of the following imaging modalities should be used to evaluate a possible neoplasm involving the zygomatic and maxilla bones on a patient working in an industrial metal fabrication plant CT
Where is the CR centered for a lateral projection of the facial bones Zygoma, midway between the EAM and the outer canthus
What is the angle between the OML and the plane of the image receptor for the parietoacanthial (waters) projection 37 degrees
Which positioning line is place perpendicular to the plane of the image receptor for the parietoacanthial projection Mentomeatal
Where does the CR exit for a modified parietoacanthial (modified waters) projections of the facial bones Acanthion
Which of the following projections will best demonstrate the bony nasal septum Parietoacanthial
(T/F)The lateral projection for the nasal bones is generally a unilateral projection (both right and left lateral projections are usually not required) False
What can the technologist do if the patient cannot extend the head and neck adequately for the routine submentovertex projection of the zygomatic arches Angle the CR to plate it perpendicular to the IOML
Created by: Joker71
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