Positions and Procedures Quiz 1 2
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- Why is a minimum SID of 72 inches used?
- To decrease magnification of the heart and increase recorded detail.
- Why do you examine patients in the upright position?
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1) The diaphragm is at its lowest point.
2) Air or fluid levels are seen.
3) Engorgement of the pulmonary vessels is also avoided. - How far should the upper border of the IR be above the relaxed shoulders?
- 1 1/2 to 2 inches
- On a PA what should be centered to the midline of the IR?
- The midsagittal plane of the patient's body
- What do you do with the chin?
- Extend it upward so that it does not interfere with the xray.
- Why do you flex the arms and rest them on the back of the hips?
- This rotates the scapulae laterally so that they are not superimposed over the lungs.
- What do you do with the shoulders?
- Depress and rotate them forward to postition them below the lung apices.
- Where should the CR be located?
- Perpendicular to the center of the IR. The CR should enter at the level of T7.
- What ways will the lungs expand?
-
Transversely
Anteroposteriorly
Vertically - On what breath is the exposure taken?
- The second breath on full inspiration.
- How many ribs should show above the diafrom the diaphragm?
- ten
- What part of the lungs should show in a radiograph?
- From the apices to the costophrenic angles.
- Sternal position
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Make sure there is no rotation.
Sternal of the clavicles equidistant from the vertebral column. - Scapula position
- Scapulae projected outside the lung fields.
- In a lateral projection, what should be parallel with the IR?
- midsagittal plane
- In a lateral projection, where should the coronal plane be?
- Perpendicular to the IR and centered with the midline of the grid
- On a lateral, where should the CR enter the patient?
- On the midcoronal plane at the level of T7