Lra Study guides, Class notes & Summaries
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LRA 222 Week 1 Questions and Verified Answers - (2024/ 2025 Update) 100% Correct | Grade A
- Exam (elaborations) • 20 pages • 2024
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LRA 222 Week 1 Questions and Verified Answers - (2024/ 2025 Update) 100% Correct | Grade A 
 
Q: Similar to CR, DR can use the existing diagnostic equipment found in today's imaging departments 
A. True 
B. False 
 
 
Answer: 
B. False 
 
 
 
Q: Indirect capture DR converts absorbed x-ray energy into visible light 
A. True 
B. False 
 
 
Answer: 
A. True 
 
 
 
Q: DICOM is a standard that allows imaging modalities and PACS to communicate in the same language 
A. True 
B. False 
 
 
Answer: 
A. ...
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LRA 221 Questions and Verified Answers - (2024/ 2025 Update) 100% Correct
- Exam (elaborations) • 27 pages • 2024
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LRA 221 Questions and Verified Answers - (2024/ 2025 Update) 100% Correct 
 
Q: Which of the following statements about scintillators is true? 
a. all scintillators absorb the same amount of x-ray photons 
b. the amount of x-rays absorbed depends on the type of scintillator c. structured phosphors produce more light spread 
 
d. unstructured phosphors are more efficient 
 
Answer: 
 the amount of x-rays absorbed depends on the type of scintillator 
 
 
Q: The readout process requires that ...
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LRA 217 WEEK 2 Research Practice Study Exam 2024.
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Identify "E" on the radiographic image of the AP projection of the elbow. - correct answer Capitulum 
 
Identify "K" on the radiographic image of the lateral projection of the elbow. - correct answer Double outer ridges of capitulum and trochlea 
 
Identify "B" on the radiographic image of the AP projection of the elbow. - correct answer Trochlea 
 
Identify "A" on the radiographic image of the AP projection of...
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LRA 222 Week 3 Questions and Verified Answers - (2024/ 2025 Update) 100% Correct | Grade A
- Exam (elaborations) • 21 pages • 2024
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LRA 222 Week 3 Questions and Verified Answers - (2024/ 2025 Update) 100% Correct | Grade A 
 
Q: To overcome the decrease in sharpness caused by the air gap technique, an increase in SID is required 
A. True 
B. False 
 
 
Answer: 
 A. True 
 
 
 
Q: Grid cutoff results in 
A. may increased patient exposure 
B. all of these 
C. reduced exposure to the IR 
D. possible increased in quantum noise 
 
 
Answer: 
 B. all of these 
 
 
 
Q: The unrestricted primary x-ray beam is 
A. round 
B. rectangul...
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LLW2601 ASSIGNMENT 2 (COMPLETE ANSWERS SEMESTER 2 2023 (73221)- DUE 15 SEPTEMBER 2023
- Exam (elaborations) • 4 pages • 2023
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Mashamplani's dismissal appears to raise potential legal and constitutional issues, particularly regarding her pregnancy and her rights as an employee. To evaluate the fairness of her dismissal, we should consider relevant provisions of the Constitution, the Employment Equity Act (EEA), the Labour Relations Act (LRA), and applicable case law. 
 
1. **Constitutional Considerations**: 
 - The South African Constitution prohibits discrimination on several grounds, including sex, gender, and preg...
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LRA 221 Final Exam Questions and Verified Answers - (2024/ 2025 Update) 100% Correct
- Exam (elaborations) • 43 pages • 2024
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LRA 221 Final Exam Questions and Verified Answers - (2024/ 2025 Update) 100% Correct 
 
 
Review 182 
Q: Aliasing occurs when the sampling frequency is not greater than twice the frequency of the input signal. 
a. True 
b. False 
 
Answer: 
 b. False 
 
 
Q: In digital projection radiography, what process is used to normalize an image that has been taken with too great of an exposure? 
a. High-pass filtering b. Low-pass filtering 
c. Automatic rescaling 
d. Aliasing 
 
Answer: 
 c. Automatic res...
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Complete Test Bank For Basic Arrhythmias 8th Edition by Gail Walraven Newest Version
- Exam (elaborations) • 46 pages • 2022
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Complete Test Bank For Basic Arrhythmias 8th Edition by Gail Walraven Newest Version
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LRA 222 Final Exam| Questions and Verified Answers - (2024/ 2025 Update) 100% Correct | Grade A
- Exam (elaborations) • 13 pages • 2024
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LRA 222 Final Exam| Questions and Verified Answers - (2024/ 2025 Update) 100% Correct | Grade A 
 
Q: A diode allows electrons to flow from _____. 
 
 
Answer: 
cathode to anode 
 
 
 
Q: True or False? The mAs timer is usually set to give the lowest mA at the longest time? 
 
 
Answer: 
False 
 
 
 
Q: What is amplitude? 
 
 
Answer: 
Height of a wave 
 
 
 
Q: Variations in power distribution to the xray machine are corrected by the _____. 
 
 
Answer: 
Line voltage 
 
 
 
Q: What is the most ...
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LRA 220 Final Exam V3| Questions and Verified Answers - (2024/ 2025 Update) 100% Correct| Grade A
- Exam (elaborations) • 13 pages • 2024
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LRA 220 Final Exam V3| Questions and Verified Answers - (2024/ 2025 Update) 100% Correct| Grade A 
 
Q: Which special position of the knee requires that the patient be placed supine with 40° flexion of the knee and the CR angled 30° from the long axis of the femur? 
 
Answer: 
 
 Bilateral merchant method 
 
 
Q: A radiograph of an AP ankle projection reveals that the lateral joint space is not open (lateral malleolus is partially superimposed by the talus). The superior and medial joint space...
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LRA 221 Week 2 Questions and Verified Answers - (2024/ 2025 Update) 100% Correct
- Exam (elaborations) • 12 pages • 2024
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LRA 221 Week 2 Questions and Verified Answers - (2024/ 2025 Update) 100% Correct 
 
Q: The optical mirror in the reader 
A. directs the laser beam to the imaging plate surface 
B. forms the laser beam into a circle 
C. causes the laser beam to diverge 
D. creates the laser beam 
 
 
Answer: 
A. directs the laser beam to the imaging plate surface 
 
 
 
Q: Typical cassette throughput is _____ cassettes per _____ 
A. 5; minute 
B. 25; minute 
C. 25; hour 
D. 50; hour 
 
 
Answer: 
D. 50; hour 
 
 ...
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