Cross-sectional Anatomy Test! Radiography Trivia Quiz
The quiz below is designed to help you when it comes to the cross-sectional anatomy test and it focuses mostly on the radiography topic. Do you feel like you have what it takes to answer each question correctly or do you need more time to study? The quiz below will help you answer it. Give it a try and all the best!
- 1.
In upper extremity radiography, the _________________ should be sharply defined.
- A.
Bony cortical outlines
- B.
Trabecular patterns
- C.
Both A and B are correct
- D.
Neither A or B are correct.
Correct Answer
C. Both A and B are correctExplanation
In upper extremity radiography, it is important for both the bony cortical outlines and trabecular patterns to be sharply defined. This ensures clear visualization of the bones and their internal structures, allowing for accurate diagnosis and assessment of any abnormalities or injuries.Rate this question:
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- 2.
In upper extremity radiography, the ___________ axis of the imaged part is aligned with ______________ axis of the collimation field.
- A.
Short : short
- B.
Short : long
- C.
Long : long
- D.
Long : short
- E.
None of the above
Correct Answer
C. Long : longExplanation
In upper extremity radiography, the long axis of the imaged part is aligned with the long axis of the collimation field. This means that the direction of the x-ray beam and the direction of the collimation field are both aligned with the longest dimension of the body part being imaged. This alignment helps to ensure that the entire length of the body part is captured in the image and that the collimation field is properly positioned to limit radiation exposure to the surrounding areas.Rate this question:
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- 3.
The kVp range for finger radiography is ______________.
- A.
45-55
- B.
50-60
- C.
55-65
- D.
65-75
Correct Answer
B. 50-60Explanation
The kVp range for finger radiography is typically set between 50-60. This range is chosen to ensure adequate penetration of the X-ray beam while minimizing radiation dose to the patient. Higher kVp values may result in excessive scatter radiation and reduced image contrast, while lower kVp values may lead to insufficient penetration and underexposed images. Therefore, the optimal range of 50-60 kVp is commonly used for finger radiography.Rate this question:
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- 4.
The kVp range for x-raying the thumb is ____________.
- A.
45-55
- B.
50-60
- C.
55-65
- D.
65-75
Correct Answer
B. 50-60Explanation
The kVp range for x-raying the thumb is 50-60. This range is chosen because it provides enough energy for the x-rays to penetrate the thumb and produce a clear image, while minimizing the risk of overexposure to radiation. Higher kVp values may result in excessive radiation exposure, while lower values may not provide sufficient penetration for a clear image. Therefore, the optimal range for x-raying the thumb is 50-60 kVp.Rate this question:
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- 5.
The kVp range for an x-ray of a PA hand is ____________.
- A.
45-55
- B.
50-60
- C.
55-65
- D.
65-75
Correct Answer
B. 50-60Explanation
The kVp range for an x-ray of a PA hand is typically 50-60. This range is chosen to ensure that the x-ray image has enough contrast to clearly visualize the bones and other structures in the hand. Higher kVp values can result in overexposure and loss of detail, while lower kVp values may result in underexposure and poor image quality. Therefore, the range of 50-60 kVp is considered optimal for obtaining a clear and accurate x-ray image of the PA hand.Rate this question:
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- 6.
The kVp range for an oblique and/or lateral hand is _____________.
- A.
45-55
- B.
50-60
- C.
55-65
- D.
65-75
Correct Answer
C. 55-65Explanation
The kVp range for an oblique and/or lateral hand is 55-65. This range is chosen because it provides enough penetration to visualize the bones and soft tissues of the hand, while minimizing the risk of overexposure to radiation. Higher kVp settings may result in excessive scatter radiation and decreased image contrast, while lower settings may lead to underpenetration and poor image quality. Therefore, the 55-65 kVp range strikes a balance between image quality and patient safety.Rate this question:
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- 7.
A wrist is normally radiographed at a kVp of __________.
- A.
45-55
- B.
50-60
- C.
55-65
- D.
65-75
Correct Answer
C. 55-65Explanation
The correct answer is 55-65. This range of kilovoltage peak (kVp) is commonly used for wrist radiography. The kVp determines the energy level of the X-ray beam, and a higher kVp is needed to penetrate through the dense bone in the wrist. By using a kVp of 55-65, the X-ray can effectively capture the necessary details of the wrist bones while minimizing the risk of overexposure.Rate this question:
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- 8.
A forearm is radiographed at a kVp range of ____________.
- A.
45-55
- B.
50-60
- C.
55-65
- D.
65-75
Correct Answer
C. 55-65Explanation
The correct answer is 55-65. This range of kilovoltage peak (kVp) is suitable for radiographing a forearm. The kVp determines the quality and penetration of the X-ray beam, and a higher kVp range is needed for thicker body parts like the forearm. This range ensures that the X-ray beam can penetrate through the forearm and produce a clear image.Rate this question:
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- 9.
An elbow is radiographed at a kVp of ___________.
- A.
45-55
- B.
50-60
- C.
55-65
- D.
65-75
Correct Answer
C. 55-65Explanation
The correct answer is 55-65. This range of kilovoltage peak (kVp) is suitable for radiographing an elbow. The kVp determines the energy of the x-ray beam, and a higher kVp is needed for thicker body parts, such as the elbow, to ensure proper penetration and image quality. The range of 55-65 kVp provides sufficient energy for the x-ray beam to pass through the elbow and produce a clear radiographic image.Rate this question:
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- 10.
A humerus is radiographed at a kVp range of ___________.
- A.
45-55
- B.
50-60
- C.
55-65
- D.
65-75
Correct Answer
D. 65-75Explanation
The correct answer is 65-75. When a humerus is radiographed, a kVp range of 65-75 is used. This range of kVp ensures that the X-ray beam has enough energy to penetrate through the dense bone and produce a clear image. Using a lower kVp range may result in underexposure and a blurry image, while using a higher kVp range may cause overexposure and loss of detail in the image. Therefore, the optimal kVp range for radiographing a humerus is 65-75.Rate this question:
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- 11.
Which of the following parts have a normal kVp range of 55-65? 1. Finger 2. AP hand 3. Oblique hand 4. Lateral hand
- A.
1 and 2 only
- B.
2 and 3 only
- C.
3 and 4
- D.
2, 3, and 4
- E.
1, 2, 3, and 4
Correct Answer
C. 3 and 4Explanation
The parts that have a normal kVp range of 55-65 are the oblique hand and the lateral hand.Rate this question:
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- 12.
Which of the following parts is x-rayed at the highest kVp range?
- A.
Forearm
- B.
Elbow
- C.
Lateral hand
- D.
Humerus
Correct Answer
D. HumerusExplanation
The humerus is x-rayed at the highest kVp range because it is a larger and denser bone compared to the forearm, elbow, and lateral hand. The higher kVp range is needed to penetrate the dense bone and produce a clear image.Rate this question:
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- 13.
Why is medial rotation the most common rotation error in an image of the PA finger?
- A.
It is impossible for the finger to rotate laterally even slightly.
- B.
The wrist is angled medially in its natural position..
- C.
The thumb prevents the hand from rotating laterally
- D.
Medial rotation is not the most common rotation error.
Correct Answer
C. The thumb prevents the hand from rotating laterallyExplanation
The thumb prevents the hand from rotating laterally because it is positioned in a way that it overlaps with the fingers and provides stability. This prevents any lateral movement of the hand and therefore makes medial rotation the most common rotation error in an image of the PA finger.Rate this question:
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- 14.
How can soft tissue overlap between fingers be avoided in PA hand and finger x-rays?
- A.
Rotate the part laterally slightly.
- B.
Spread the fingers slightly.
- C.
Support the hand with a sponge.
- D.
Soft tissue overlap is actually desirable in these types of images.
Correct Answer
B. Spread the fingers slightly.Explanation
To avoid soft tissue overlap between fingers in PA hand and finger x-rays, it is recommended to spread the fingers slightly. This helps to separate the soft tissues and allows for better visualization of the bones and structures in the hand and fingers. By spreading the fingers, it reduces the chances of overlapping and provides a clearer image for diagnostic purposes.Rate this question:
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- 15.
A finger x-ray should have the CR centered perpendicular to the finger at the ______________.
- A.
IR
- B.
DIP
- C.
PIP
- D.
Halfway down the metacarpal.
Correct Answer
C. PIPExplanation
A finger x-ray should have the CR centered perpendicular to the finger at the PIP (proximal interphalangeal) joint. This is the joint that is located between the first and second phalanges of the finger. Centering the CR at this point ensures that the image captures the specific area of interest and provides a clear view of the joint for accurate diagnosis.Rate this question:
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- 16.
What type of adjustment might be necessary to open the joint spaces in the finger of a patient who cannot extend the affected finger?
- A.
Perform an AP projection.
- B.
Angle the tube caudad toward the joint at about 20 degrees. (Toward the distal end of the phalanx.)
- C.
Apply pressure until the finger is fully extended.
- D.
It is not important to see the joint space so no adjustment is necessary.
Correct Answer
A. Perform an AP projection.Explanation
To open the joint spaces in the finger of a patient who cannot extend the affected finger, performing an AP projection is necessary. This projection allows for a clear visualization of the joint space and any abnormalities present. Angle the tube caudad toward the joint at about 20 degrees, towards the distal end of the phalanx, and apply pressure until the finger is fully extended. This adjustment helps to separate the joint surfaces and improve the visibility of the joint space.Rate this question:
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- 17.
What is likely to occur if the finger is not fully extended for a PA finger radiograph? 1. the MP and IP joint spaces will not be open 2. the phalanx will be elongated 3. the phalanx will be foreshortened
- A.
1 and 2 only
- B.
2 and 3 only
- C.
1 and 3 only
- D.
None of these is likely to occur
Correct Answer
C. 1 and 3 onlyExplanation
If the finger is not fully extended for a PA finger radiograph, it is likely that the MP and IP joint spaces will not be open. This means that the spaces between the metacarpophalangeal (MP) joints and the interphalangeal (IP) joints will not be visible on the radiograph. Additionally, the phalanx (finger bone) will be foreshortened, meaning that it will appear shorter than it actually is on the radiograph. Therefore, the correct answer is 1 and 3 only.Rate this question:
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- 18.
Extending the finger helps to keep the joint spaces open in a finger x-ray.
- A.
TRUE
- B.
FALSE
Correct Answer
A. TRUEExplanation
Extending the finger during a finger x-ray is important because it helps to keep the joint spaces open. This allows for a clearer and more accurate image of the finger joints, which can help in diagnosing any potential joint issues or injuries. By extending the finger, the joint spaces are not compressed or overlapped, ensuring that the x-ray captures a proper view of the finger's anatomy.Rate this question:
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- 19.
In a PA finger exam, the thumb usually keeps the finger from rotating medially.
- A.
TRUE
- B.
FALSE
Correct Answer
B. FALSEExplanation
The thumb keeps it from rotating laterally.Rate this question:
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- 20.
____________ of the metacarpal should be included in the collimation field when x-raying a finger in the PA position.
- A.
All
- B.
One half
- C.
One third
- D.
One fourth
- E.
None
Correct Answer
B. One halfExplanation
When x-raying a finger in the PA position, one half of the metacarpal should be included in the collimation field. This means that the x-ray should capture the entire length of the metacarpal bone up to the midpoint. Including one half of the metacarpal ensures that the entire bone is visible on the x-ray image, allowing for a more accurate assessment of any potential fractures or abnormalities.Rate this question:
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- 21.
A PA oblique finger and PA oblique hand both require _________________ degrees of rotation.
- A.
10
- B.
15
- C.
45
- D.
75
Correct Answer
C. 45Explanation
Both a PA oblique finger and a PA oblique hand require 45 degrees of rotation. This means that the X-ray beam needs to be angled at 45 degrees to the patient's hand or finger in order to obtain the desired image. This oblique view allows for better visualization of certain structures and can help in diagnosing certain conditions or injuries.Rate this question:
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- 22.
Which type of rotation of the finger and hand is usually easier for the patient when performing a PA oblique of the finger?
- A.
Internal (medial)
- B.
External (lateral)
- C.
Inferior
- D.
None of the above
Correct Answer
B. External (lateral)Explanation
Performing a PA oblique of the finger involves rotating the finger and hand in a specific direction. The question asks which type of rotation is usually easier for the patient. The correct answer is "external (lateral)". This means that rotating the finger and hand outward, away from the midline of the body, is typically easier for the patient when performing a PA oblique of the finger.Rate this question:
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- 23.
For a PA oblique of the finger, the fingers are extended and maintained at an angle to the IR to keep open the joint spaces.
- A.
TRUE
- B.
FALSE
Correct Answer
B. FALSEExplanation
The fingers are extended and kept PARALLEL to the IR to keep the joint spaces open.Rate this question:
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- 24.
The centering point is the same for all three regular views of the finger.
- A.
TRUE
- B.
FALSE
Correct Answer
A. TRUEExplanation
All three views are centered at the PIP for the affected finger.Rate this question:
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- 25.
On a PA oblique of the hand or finger, the part is rotated 45 degrees from the AP position.
- A.
TRUE
- B.
FALSE
Correct Answer
B. FALSEExplanation
It is rotated from the PA position.Rate this question:
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- 26.
In radiographic exams of the finger, keeping the part perpendicular to the IR and fully extended helps to keep the joint space open and to avoid foreshortening.
- A.
TRUE
- B.
FALSE
Correct Answer
B. FALSEExplanation
Keeping the part PARALLEL to the IR keeps the joint space open and avoids foreshortening.Rate this question:
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- 27.
Which finger, if being radiographed, usually requires internal rotation for a lateral projection? 1. 2nd digit 2. 3rd digit 3. 4th digit 4. 5th digit
- A.
1 only
- B.
1 and 2 only
- C.
3 and 4 only
- D.
4 only
- E.
3, 4, and 5 only
Correct Answer
B. 1 and 2 onlyExplanation
The 2nd and 3rd digits usually require internal rotation for a lateral projection when being radiographed.Rate this question:
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- 28.
Which finger, if being radiographed, usually requires external rotation for a lateral projection? 1. 2nd digit 2. 3rd digit 3. 4th digit 4. 5th digit
- A.
1 only
- B.
1 and 2 only
- C.
3 and 4 only
- D.
4 only
- E.
1, 2, and 3 only
Correct Answer
C. 3 and 4 onlyExplanation
The correct answer is 3 and 4 only. The 3rd and 4th digits of the hand usually require external rotation for a lateral projection when being radiographed. This is because external rotation helps to separate the fingers and provide a clear view of the bones and joints in the lateral aspect of these digits. External rotation helps to minimize overlap of structures and improve the diagnostic quality of the image.Rate this question:
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- 29.
The unaffected fingers should be ______________ for a lateral finger projection.
- A.
Extended
- B.
Flexed
- C.
Obliqued 45 degrees
- D.
None of the above
Correct Answer
B. FlexedExplanation
In a lateral finger projection, the unaffected fingers should be flexed. This means that the fingers should be bent or curved inward towards the palm of the hand. Flexing the fingers helps to minimize any overlapping or obscuring of the structures being imaged, allowing for a clearer and more accurate lateral view of the finger.Rate this question:
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- 30.
For a finger radiograph, the IP joints should be open for all views except the lateral.
- A.
TRUE
- B.
FALSE
Correct Answer
B. FALSEExplanation
The IP joints should be open for all views including the lateral.Rate this question:
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- 31.
Which digit is normally imaged AP instead of PA?
- A.
1st digit
- B.
2nd digit
- C.
3rd digit
- D.
5th digit
Correct Answer
A. 1st digitExplanation
The 1st digit is the thumb.Rate this question:
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- 32.
During an AP projection of the thumb, which side of the thumbnail should be visible once the nail is placed against the IR?
- A.
Lateral side of the nail
- B.
Medial side of the nail
- C.
Both sides of the nail
- D.
Neither side of the nail
Correct Answer
D. Neither side of the nailExplanation
During an AP projection of the thumb, neither side of the nail should be visible once the nail is placed against the IR. This is because the AP projection is taken perpendicular to the long axis of the thumb, which means that the nail should be parallel to the IR and not visible from either side.Rate this question:
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- 33.
When the thumb is rotated away from the AP position, the amount of midshaft concavity increases on the side of the thumb toward which the anterior surface rotates.
- A.
TRUE
- B.
FALSE
Correct Answer
B. FALSEExplanation
When the thumb is rotated away from the AP position, the amount of midshaft concavity increases on the side of the thumb toward which the POSTERIOR surface rotates.Rate this question:
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- 34.
When the thumb is rotated away from the AP position, the amount of midshaft concavity ____________ on the side of the thumb toward which the _____________ surface rotates.
- A.
Decreases : anterior
- B.
Increases : anterior
- C.
Decreases : posterior
- D.
Increases : posterior
Correct Answer
D. Increases : posteriorExplanation
When the thumb is rotated away from the AP (anterior-posterior) position, the amount of midshaft concavity increases on the side of the thumb toward which the posterior surface rotates.Rate this question:
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- 35.
The phalanges of the thumb will naturally project foreshortened and the joint spaces will be closed on an AP projection of the thumb, even when properly positioned.
- A.
TRUE
- B.
FALSE
Correct Answer
B. FALSEExplanation
The IP, MP, and CM joint spaces are all OPEN, and the phalanges are demonstrated WITHOUT foreshortening as long as the thumb is positioned flat against and placed parallel with the IR.Rate this question:
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- 36.
What can the patient do to maintain positioning support during an AP thumb exam?
- A.
The patient can interlock their fingers.
- B.
The patient can use the other hand to pull the lateral palmar surface toward their body.
- C.
The patient can use the other hand to push the dorsal surface of the hand away from them.
- D.
The patient can use their other hand to pull the medial palmar surface toward their body.
Correct Answer
D. The patient can use their other hand to pull the medial palmar surface toward their body.Explanation
The correct answer suggests that the patient can maintain positioning support during an AP thumb exam by using their other hand to pull the medial palmar surface toward their body. This action helps stabilize the thumb and maintain proper positioning during the examination.Rate this question:
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- 37.
Why are the fingers and hand flexed for a lateral thumb projection?
- A.
This naturally rotates the thumb into a lateral position.
- B.
This provides pain relief for traumatic injuries.
- C.
This prevents any superimposition by the metacarpals.
- D.
None of the above
Correct Answer
A. This naturally rotates the thumb into a lateral position.Explanation
Flexing the fingers and hand for a lateral thumb projection naturally rotates the thumb into a lateral position. This positioning is important for obtaining a clear and accurate image of the thumb from a lateral perspective. By rotating the thumb laterally, any potential superimposition by the metacarpals is prevented, allowing for a better visualization of the thumb and any potential injuries or abnormalities.Rate this question:
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- 38.
The central ray for a radiograph of the thumb is positioned _______________. 1. at the MP joint 2. perpendicular to the extended thumb 3. at a cephalad angle of about 15 degrees
- A.
1 only
- B.
1 and 2 only
- C.
1 and 3 only
- D.
1, 2, and 3
Correct Answer
B. 1 and 2 onlyExplanation
The central ray for a radiograph of the thumb is positioned at the MP joint and perpendicular to the extended thumb. This positioning allows for optimal visualization of the thumb anatomy and any potential abnormalities or injuries.Rate this question:
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- 39.
Placing the palmar surface flat on the image receptor will naturally place the thumb in a __________________ position.
- A.
45 degree lateral oblique
- B.
45 degree medial oblique
- C.
Lateral
- D.
AP
Correct Answer
A. 45 degree lateral obliqueExplanation
Placing the palmar surface flat on the image receptor will naturally place the thumb in a 45-degree lateral oblique position. This means that the thumb will be angled towards the side of the hand that is farthest from the body, at a 45-degree angle.Rate this question:
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Current Version
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Mar 20, 2023Quiz Edited by
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Dec 09, 2008Quiz Created by
Chrislast
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