PDF Download FREE AND STUDY GAMES ABOUT QC & QA EXAM
QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -189 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: What are some of the test performed by QC techs for external beam
evaluation?
Answer:
Kvp Ma Time Cassette cleaning Film Screen Contact Reproducibility Linearity FS size HVL Output etc...
Question 2: Total Filtration
Answer:
Min of 2.5 mm al/eq for tubes w/ output greater than 70kvp
Question 3: Conditions that are caused by problems with resolution on the monitor
Answer:
Vignetting Distortion Veil Glare Quantum mottle
Question 4: If Ma linearity is out of tolerance, what must occur?
Answer:
Correction
Question 5: Example of selection depth indicator accuracy
Answer:
5cm is cut selected - this area is the sharpest/clearest
Question 6: The image should be within 1 cm of what?
Answer:
Edges of the II tube
Question 7: Processor Monitoring involves what?
Answer:
QC tech performs tests using a sensitometer (stepwedge), and densitometer.Processor Maintenance Person Daily tests Question 8: What is the purpose of exposure reproducibility with fluoro systems?
Answer:
Verifies that the AEC is working properly
Question 9: A computerized dosimeter is the best choice for testing what?
Answer:
Timer Accuracy
Question 10: Added Filtration
Answer:
1.0 mm al/eq
Question 11: What is the linearity accuracy b/t adjacent ma stations?
Answer:
5%
Question 12: How is the exam interpretation checked on?
Answer:
Radiologist QA (Peer Review) Overreads Radiologist checking behind ER dr's
Question 13: Quality Control
Answer:
Monitors technical equipment to maintain quality standards
Question 14: What is the best length of time for the monitor phase of QA?
Answer:
The longer the better
Question 15: What makes up total filtration?
Answer:
inherent + added
Question 16: During the resolve process what happens
Answer:
Info collected analyzing and evaluating data Take corrective action Re-evaluate to see if problem has improved
Question 17: What is used to test kvp drift today?
Answer:
Computerized dosimeter or kvp meter
Question 18: Inherent filtration
Answer:
0.55 - 1.0 mm al/eq
Question 19: What an example of real problems today?
Answer:
NPO for CT ab scans Full bladder for US pelvis # of No shows for MRI Question 20: Who is needed for Development of Specifications in purchasing equipment?
Answer:
An imaging physicist
Question 21: How can kvp drift be tested?
Answer:
Kvp test cassette Question 22: Are there other test besides kvp test cassettes available to test kvp drift?
Answer:
Yes
Question 23: used to check FS sizes larger than .3mm
Answer:
pinhole camera or slit camera Question 24: What has to happen to generators sometimes to correct drifint ma stations?
Answer:
Recalibration