LRA 226 Study guides, Class notes & Summaries
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LRA 226 wk 1 Exam | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+LRA 226 wk 1 Exam | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+
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How many skull bones are present in the human body? 
-22 
-14 
-7 
-4 
: 22 
Where is the CR centered for lateral projection of the cranium? 
-EAM 
-Three-fourths inch (2cm) anterior and 3/4 inch (2cm) superior 
-Two inches (5 cm) superior to EAM 
-Midway between EAM and nasion 
: Two inches (5 cm) superior to EAM 
What projection of the skull requires the sagittal plane to be parallel to the image 
receptor(IR) and the interpupillary line to be perpendicular ti the IR? 
-Lateral 
-Posteroante...
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LRA 226 Exam Questions And Answers (Verified And Updated)
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LRA 226 Exam Questions And Answers 
(Verified And Updated) 
Which projection best visualizes the bony nasal septum? 
A. Pariteocanthial 
B. Lateral nasal bone 
C. AP axial projection 
D. Lateral Facial bone - answerA. Parietocanthial 
A patient has a possible bone cyst within the squamous portion of the frontal bone. Which would 
best show this with minimal distortion of the frontal bone? 
A. AP axial W/ 30 deg caudal angle to OML 
B. PA axial W/ 30 deg caudal angle to OML 
C. AP axial W/ 15 deg...
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LRA 226 Exam Questions And Answers (Verified And Updated)
- Exam (elaborations) • 8 pages • 2024
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LRA 226 Exam Questions And Answers 
(Verified And Updated) 
Which projection best visualizes the bony nasal septum? 
A. Pariteocanthial 
B. Lateral nasal bone 
C. AP axial projection 
D. Lateral Facial bone - answerA. Parietocanthial 
A patient has a possible bone cyst within the squamous portion of the frontal bone. Which would 
best show this with minimal distortion of the frontal bone? 
A. AP axial W/ 30 deg caudal angle to OML 
B. PA axial W/ 30 deg caudal angle to OML 
C. AP axial W/ 15 deg...
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LRA 226 Week 1 Questions With Verified Correct Answers < Already Passed>Updated<
- Exam (elaborations) • 4 pages • 2024
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LRA 226 Week 1 Questions With 
Verified Correct Answers 
< Already Passed>Updated< 
A radiograph of a posteroanterior (PA) axial projection 
(Caldwell method) of the cranium reveals that the petrous 
ridges are located at the level of the lower one third of the 
orbits. The technologist performed this projection with the 
CR angled 15° caudal to the orbitomeatal line (OML). How 
must positioning be altered if a repeat exposure is 
performed? - ANSWER : positioning was correct 
...
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LRA 226 Exam Questions And Answers (Verified And Updated)
- Exam (elaborations) • 8 pages • 2024
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- $11.49
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LRA 226 Exam Questions And Answers 
(Verified And Updated) 
Which projection best visualizes the bony nasal septum? 
A. Pariteocanthial 
B. Lateral nasal bone 
C. AP axial projection 
D. Lateral Facial bone - answerA. Parietocanthial 
A patient has a possible bone cyst within the squamous portion of the frontal bone. Which would 
best show this with minimal distortion of the frontal bone? 
A. AP axial W/ 30 deg caudal angle to OML 
B. PA axial W/ 30 deg caudal angle to OML 
C. AP axial W/ 15 deg...
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LRA 226 practice exam questions and answers new study solution 2024
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LRA 226 practice exam questions and answers new study solution 2024
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LRA 223 & 224, 225 & 226 Exam | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+
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LRA 223 & 224, 225 & 226 Exam | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+
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LRA 226 Exam | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+
- Exam (elaborations) • 10 pages • 2024
- Available in package deal
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- $11.99
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Which projection best visualizes the bony nasal septum? 
A. Pariteocanthial 
B. Lateral nasal bone 
C. AP axial projection 
D. Lateral Facial bone 
: A. Parietocanthial 
A patient has a possible bone cyst within the squamous portion of the frontal bone. 
Which would best show this with minimal distortion of the frontal bone? 
A. AP axial W/ 30 deg caudal angle to OML 
B. PA axial W/ 30 deg caudal angle to OML 
C. AP axial W/ 15 deg caudal angle to OML 
D. PA no CR angle to OML 
: D. PA no CR a...
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LRA 226 Week 2 Exam | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+
- Exam (elaborations) • 5 pages • 2024
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Which is the only movable joint in the skull? 
: TMJ 
A fracture involving the facial bones where a blow to one side causes a fracture to the 
opposite side is termed a ____ fracture. 
: Conrecoup 
Where is the CR centered for a lateral projection of the facial bones? 
: Zygoma 
What is the angle between the OML and the plane of the IR for the parietoacanthial 
(Waters) projection? 
: 37 ° 
Where does the CR exit for a modified parietoacanthial (modified Waters) projection of 
the facial bon...
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LRA 226 week 1 Exam | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+
- Exam (elaborations) • 4 pages • 2024
- Available in package deal
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- $10.49
- + learn more
A radiograph of a posteroanterior (PA) axial projection (Caldwell method) of the cranium 
reveals that the petrous ridges are located at the level of the lower one third of the 
orbits. The technologist performed this projection with the CR angled 15° caudal to the 
orbitomeatal line (OML). How must positioning be altered if a repeat exposure is 
performed? 
: positioning was correct 
A PA axial projection with a 25° caudad angle of the cranium reveals that the petrous 
ridges are at the ...
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