16 Questions
What is the correct location for marker placement on an abdomen erect image?
Bottom corner
In the decubitus position, what is the purpose of placing the marker on the top corner by the waist?
To identify intraperitoneal air accumulation
What is a clinical indication for performing a supine abdominal X-ray?
Bowel obstruction
For an asthenic patient, how would their abdomen be described?
Narrow across lower thorax and long torso
Which patient position allows the air to move away from soft tissue in order to visualize abnormal masses effectively?
Decubitus lateral side left with legs flexed and arms on head
What is the best method to confirm the presence of intraperitoneal air in an X-ray image?
Observing symmetrical iliac wings
What is the recommended Center point CR level for a chest PA X-ray?
T7
How should the shoulders be positioned to achieve optimal scapula visualization in a chest X-ray?
Depressed and rolled forward
What happens to the lungs in 3 dimensions during deep inspiration?
They expand
What is the purpose of ensuring that the top of the light field in a chest X-ray includes vertebral prominens and lateral skin margins?
To visualize the scapula better
What is a characteristic of a rotated chest X-ray?
Uneven brightness
What is the purpose of performing an erect PA X-ray?
To demonstrate pleural effusions and pneumothorax
Where should the marker be placed in an erect PA X-ray?
At the top corner behind the patient's waist shielding
What does a 90-degree perspective from a PA projection help visualize?
Posterior to the heart and great vessels
What is the significance of placing the midcoronal plane perpendicular with the IR?
It prevents rotation
In an erect left-side position with arms above head, what is the purpose of asking the patient to lean back slightly?
To allow the anterior abdominal tissue to stretch
Test your knowledge on the correct positioning for an abdomen erect X-ray, including SID, marker placement, shielding, CR center point, collimation, and projection criteria. Practice identifying key anatomical structures and ensuring optimal image quality.
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