ch 10 170WB

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speedyvincent
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172952
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ch 10 170WB
Updated:
2012-09-24 03:12:40
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ch 10 170WB
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  1. what is the name of the area between the two pleural cavities?
    Mediastinum
  2. which structure is not demonstrated within the mediastinum in PA projections of the chest?
    Diaphragm
  3. which pathologic conditon of the lung involves the placement of air with fluid in the lung interstitium and alveoli?
    Pulmonary edema
  4. why should chest radiographs be performed with a 72 inch SID
    to minimize magnification of the heart
  5. why should chset radiographs be performed after the patient has suspended respiration after the second inspiration?
    to better expland lungs
  6. with the reference to the IR, how are the midsagittal plane and the midcoronal plane positioned for the PA projection of the chest?
    • Midsaggital- perpendicular
    • midcoronal- parallel
  7. for PA projection of the chest, which positioning maneuver should be performed to best remove scapulae from lung fields?
    rotate the shoulders forward
  8. why should the chest most likely be demonstrated using two PA projections
    to demonstate pneumothorax
  9. which of the following is an affective way to detect rotation of the patient with the PA projection radiograph of the chest?
    the asymmetrical appearance of the sternoclavicular joints
  10. for which projection of the chest should th midsaggital plane be parrallel with the IR?
    lateral projection
  11. with reference to the IR how are the midcoronal plane and the midsagittal plane positioned for the lateral projection of the chest?
    • midcoronal - perpendicular
    • midsaggital - parallel
  12. which projection of the chest best demonstrates lung apices free from superimposition with the clavicles?
    AP axial projection, lordotic position
  13. which PA oblique projection of the chest maybe used to evaluate the heart and great veseels?
    55-60 degree LAO
  14. howmany degrees should the patient be rotated for the PA oblique projection of the chest to evaluate the lungs?
    • RAO- 45 degrees
    • LAO - 45 degrees
  15. using a lateral decubitus position for patients who are unable to stand upright best demonstrates which of the following pathologic conditions of the chest?
    air or fluid levels
  16. with reference to the IR, how are the midsagittal plane and the midcoronal plane positioned for the AP chest, left lateral decubitus position?
    • midsaggital- perpendicular
    • midcoronal- parallel
  17. which pathologic condition of the lungs is best demonstrated with the AP chest, left lateral decubitus position?
    fluid levels in the left side of free air in the right side
  18. which pathologic condition of the lungs is best demonstrated with the AP chest, right lateral decubitus position?
    free air in the left side or fluid levels in the right side
  19. which radiographic position requires that the patient be placed supine with the IR placed vertically against the patients right side ad horizonal central ray directed to the center of the IR?
    Dorsal decubitus
  20. which radiographic position requires that the patient be placed prone?
    ventral decubitus
  21. which evaluation criterion pertains to the PA projection radiograph of the chest?
    ten posterior ribs should be visible above the diaphragm
  22. which evaluation criterion pertains to the PA projection radiograph of the chest?
    the scapulae should be projected outside the lung fields
  23. which evaluation criterion pertains to the lateral projection radiograph of the chest?
    the ribs posterior to the vertebral column should be superimposed
  24. which evaluation criterion pertains to the AP axial projection, lordotic position radiograph of the chest?
    the ribs should appear distorted
  25. which evaluation criterion pertains to the AP axial projection, lordotic position radiograph of the chest?
    the clavicles should lie superior to the apices

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