Quality Assurance in Medical Imaging Review Questions
Course Introduction
Quality Assurance in Medical Imaging is a course designed to provide students with a comprehensive understanding of the principles and practices that ensure the safety, accuracy, and consistency of imaging procedures in clinical settings. The course covers key quality assurance (QA) methodologies and regulatory standards, equipment performance evaluation, image quality assessment, and radiation safety protocols. Students will learn to design and implement QA programs for various imaging modalities including X-ray, CT, MRI, and ultrasound, as well as analyze and interpret QA test results. Emphasis is placed on problem solving, minimizing errors, optimizing diagnostic outcomes, and maintaining compliance with international and national guidelines to enhance patient care and safety in the medical imaging environment.
Recommended Textbook
Workbook for Radiographic Image Analysis 4th Edition by Kathy McQuillen Martensen
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558 Verified Questions
558 Flashcards
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Chapter 1: Guidelines for Image Analysis
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41 Verified Questions
41 Flashcards
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Sample Questions
Q1) Minimizing size distortion is accomplished by which of the following?
1)Using the longest feasible SID
2)Using the shortest possible OID
3)Decreasing the angle of the CR
4)Placing the part as close to the IR as possible
A) 2 and 3 only
B) 1, 2, and 3 only
C) 1, 2, and 4 only
D) 1, 2, 3, and 4
Answer: C
Q2) Two structures are 4.5 inches apart and out of superimposition 2.5 inches. To bring them into superimposition, the CR should be angled _____ degrees.
A) 5
B) 10
C) 15
D) 20
Answer: D
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Page 3
Chapter 2: Visibility of Details
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63 Flashcards
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Sample Questions
Q1) All of the following may result in histogram analysis errors except A) unusual pathologic conditions.
B) poor positioning.
C) motion.
D) alignment of the anatomic part with the IR.
Answer: C
Q2) Total saturation is seen when _____ the ideal IR exposure is reached.
A) four to five times
B) eight to 10 times
C) 10 to 15 times
D) 15%
Answer: B
Q3) What is the grid cutoff that occurs if the central ray is angled toward the grid's lead strips?
A) On both sides of the image
B) Across the entire image, but more noticeable on one side
C) Evenly across the entire image
D) On one side only
Answer: B
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Page 4
Chapter 3: Image Analysis of the Chest and Abdomen
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70 Verified Questions
70 Flashcards
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Sample Questions
Q1) A supine AP abdomen projection obtained with the patient in an LPO position demonstrates
1)the sacrum and coccyx aligned with the symphysis pubis.
2)a distance from the pedicles to the spinous processes that is narrower on the right side than on the left side.
3)the sacrum rotated toward the patient's right side.
4)the symphysis pubis rotated toward the patient's right side.
A) 1, 2, and 3 only
B) 2 and 3 only
C) 2 and 4 only
D) 1 and 4 only
Answer: B
Q2) The recommended kV range for a child PA chest technique at 72 inches is A) 65 to 70.
B) 75 to 80.
C) 80 to 85.
D) 70 to 80.
Answer: B
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Chapter 4: Image Analysis of the Upper Extremity
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68 Flashcards
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Sample Questions
Q1) Where are the soft tissue structures that can be used to indicate joint effusion located on the PA wrist projection?
A) Anteriorly
B) Medially
C) Laterally
D) Posteriorly
Q2) A lateral wrist projection obtained with the elbow flexed 90 degrees and the humerus placed parallel with the IR demonstrates 1)the ulnar styloid distal to the midline of the ulnar head.
2)superimposition of the radius and ulna.
3)superimposition of the distal scaphoid and pisiform.
4)the ulnar styloid in profile.
A) 1 and 2 only
B) 3 and 4 only
C) 1, 2, and 3 only
D) 2, 3, and 4 only
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Chapter 5: Image Analysis of the Shoulder
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60 Verified Questions
60 Flashcards
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Sample Questions
Q1) An AP shoulder projection obtained with the humeral epicondyles positioned parallel with the IR demonstrates the
1)greater tubercle in profile laterally.
2)lesser tubercle in profile medially.
3)humeral head in profile medially.
4)greater tubercle superimposed over the humeral head.
A) 1 and 3 only
B) 1 and 2 only
C) 3 and 4 only
D) 2 and 4 only
Q2) An inferosuperior axial shoulder projection that does not include the posterior aspects of the acromion and humerus was obtained
A) without the patient's head rotated or tilted toward the affected shoulder.
B) using a central ray to lateral body surface angle that was too large.
C) without the patient's shoulder elevated on a sponge or washcloth.
D) without the IR positioned proximally enough.
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Chapter 6: Image Analysis of the Lower Extremity
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69 Flashcards
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Sample Questions
Q1) Why should the foot be dorsiflexed to a 90-degree angle with the lower leg for a lateral ankle projection?
1)It places the tibiotalar joint in a neutral position.
2)It prevents the patient from rotating posteriorly.
3)It allows the anterior pretalar fat pad to be used to detect joint effusion.
4)It positions the talar domes on top of each other.
A) 1 and 3 only
B) 1, 2, and 3 only
C) 3 only
D) 1 and 4 only
Q2) When the legs are flexed 30 degrees for the tangential knee projection (Merchant method), the central ray should be angled
A) 75 degrees.
B) 45 degrees.
C) 60 degrees.
D) perpendicular to the lower leg.
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Chapter 7: Image Analysis of the Hip and Pelvis
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33 Flashcards
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Sample Questions
Q1) When obtaining an axiolateral (inferosuperior) projection of the hip on patients with ample lateral soft-tissue thickness, the
A) IR is positioned superior to the iliac crest.
B) central ray is centered inferior to the femoral head.
C) IR is positioned inferior to the iliac crest.
D) IR is positioned at the iliac crest.
Q2) Internally rotating the affected leg for an axiolateral (inferosuperior) projection of the hip
1)positions the greater trochanter behind the femoral neck and shaft.
2)positions the lesser trochanter in profile.
3)positions the greater trochanter in profile.
4)reduces the posterior decline of the femoral neck.
A) 1 and 2 only
B) 3 and 4 only
C) 1, 3, and 4 only
D) 1, 2, and 4 only
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Chapter 8: Image Analysis of the Cervical and Thoracic
Vertebrae
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50 Verified Questions
50 Flashcards
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Sample Questions
Q1) An AP axial cervical projection with poor positioning demonstrates obscured intervertebral disk spaces and each vertebra's spinous process within its vertebral body. How was the positioning setup mispositioned for such a projection to be obtained?
A) The patient was rotated toward the right side.
B) The central ray was angled too caudally.
C) The patient's head was tilted.
D) The central ray was angled too cephalically.
Q2) An optimal AP axial cervical vertebrae projection demonstrates all of the following except
A) the spinous processes aligned with the midline of the cervical bodies.
B) open intervertebral disk spaces.
C) each vertebra's spinous process visualized at the level of its superior intervertebral disk space.
D) the third cervical vertebra inferior to the posterior occiput and mandibular mentum.
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Chapter 9: Image Analysis of the Lumbar Vertebrae,
Sacrum, and Coccyx
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30 Verified Questions
30 Flashcards
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Sample Questions
Q1) For a lateral sacral projection, the 1)patient's legs are flexed.
2)midcoronal plane is aligned parallel with the imaging table.
3)posterior ribs and the posterior pelvic wings are aligned perpendicular to the imaging table.
4)longitudinal axis of the sacrum is aligned with the short axis of the collimated field.
A) 1 and 3 only
B) 2 and 3 only
C) 1, 2, and 3 only
D) 2 and 4 only
Q2) For an AP axial sacral projection, the
1)patient should empty the bladder and colon before the procedure.
2)central ray is angled 15 degrees cephalically.
3)ASISs are positioned at equal distance to the imaging table.
4)hips and knees are flexed.
A) 1 only
B) 2 and 3 only
C) 1, 2, and 3 only
D) 1, 2, 3, and 4
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Chapter 10: Image Analysis of the Sternum and Ribs
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13 Verified Questions
13 Flashcards
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Sample Questions
Q1) For a PA oblique sternal projection (RAO position),
1)a 30-inch (76-cm) or 40-inch (100-cm) SID is used.
2)the patient's midcoronal plane is angled 15 to 20 degrees with the IR.
3)a long exposure time is used.
4)costal breathing is used.
A) 1 and 2 only
B) 3 and 4 only
C) 2, 3, and 4 only
D) 1, 2, 3, and 4
Q2) On a PA oblique sternal projection (RAO position) with accurate positioning, the
1)manubrium is demonstrated to the left of the heart shadow.
2)posterior ribs are magnified.
3)sternum is demonstrated within the heart shadow.
4)lung markings are blurred.
A) 1 and 3 only
B) 2 and 3 only
C) 1, 2, and 4 only
D) 2, 3, and 4 only
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Chapter 11: Image Analysis of the Cranium
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44 Verified Questions
44 Flashcards
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Sample Questions
Q1) For a PA cranial projection, the
1)midsagittal plane is positioned parallel with the IR.
2)OML is aligned perpendicular to the IR.
3)central ray is aligned perpendicular to the IR.
4)central ray is centered to the nasion.
A) 1 and 3 only
B) 2 and 3 only
C) 2, 3, and 4 only
D) 1 and 4 only
Q2) For a submentovertex (SMV) cranial projection (Schueller method), the 1)central ray is aligned perpendicular to the IR.
2)central ray is centered to the midsagittal plane at a level 0.75 inch (2 cm) anterior to the level of the EAM.
3)IOML is parallel with the IR.
4)midsagittal plane is perpendicular to the IR.
A) 1 and 2 only
B) 3 and 4 only
C) 1, 3, and 4 only
D) 1, 2, 3, and 4
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Page 13
Chapter 12: Image Analysis of the Digestive System
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17 Flashcards
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Sample Questions
Q1) A PA esophagus projection that demonstrates the esophagus to the right of the vertebral column
A) will also demonstrate the right SC joint superimposed by the vertebral column.
B) was obtained with the patient rotated into an RAO position.
C) was obtained with the shoulders at equal distances from the IR.
D) was obtained with the right side of the chest positioned at a greater OID than the left side.
Q2) A left lateral rectum projection demonstrates the right femoral head anterior to the left femoral head. Such a projection
1)also demonstrates the right femoral head superior to the left femoral head.
2)is obtained by positioning the posterior pelvic wings perpendicular to the IR.
3)demonstrates a magnified right femoral head.
4)is made optimal by rotating the right hip posteriorly.
A) 1 and 3 only
B) 3 only
C) 2 and 4 only
D) 3 and 4 only
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