Patient Positioning and Room Preparation Quiz
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Questions and Answers

What exposure factors are recommended for upper limb imaging?

  • High kVp and long exposure time
  • High kVp, long exposure time, and large focal spot
  • Low kVp and long exposure time
  • Low to medium kVp, short exposure time, and small focal spot (correct)

    • What is the recommended positioning principle for correct centering in radiography?

  • The part can be at any angle to the IR
  • The part should be perpendicular to the IR (correct)
  • The CR should be at a 45-degree angle to the part and IR
  • The CR should be directed to the incorrect centering point

    • What should be considered when imaging pediatric patients?

  • Build a quick rapport with the child and use short exposure time to reduce motion (correct)
  • Long exposure time to capture detailed images
  • Use of high kVp for better penetration
  • Avoid using immobilization devices

    • What should be considered when imaging geriatric patients?

    <p>Clear and concise instructions, consideration of adaptation projections, and gentle positioning to avoid bruising or tearing the skin (D)</p> Signup and view all the answers

    What are the trauma considerations for patient imaging?

    <p>Calm demeanor, gentle positioning, good communication, and patient reassurance (C)</p> Signup and view all the answers

    What is the recommended marker placement for radiographic imaging?

    <p>At the most narrow part of the anatomy (A)</p> Signup and view all the answers

    What are the routine protocols for upper limb imaging?

    <p>(2 views) AP or PA oblique, lateral (B)</p> Signup and view all the answers

    What protocols are recommended for trauma and post-reduction imaging?

    <p>(2 views) AP or PA, lateral (D)</p> Signup and view all the answers

    What is the purpose of positioning aids like sponges, tongue depressors, tape, and cotton swabs in the radiography room?

    <p>To aid in positioning the patient correctly for the x-ray (D)</p> Signup and view all the answers

    Which of the following is a recommended technique for radiation protection in radiography?

    <p>Using a full lead shield for every patient (D)</p> Signup and view all the answers

    What should be done to artifacts like rings, watches, bracelets, and long sleeve clothing before an x-ray?

    <p>They should be secured in a designated location (D)</p> Signup and view all the answers

    What is the recommended patient position for ambulatory patients during an x-ray?

    <p>Seated at the end of the x-ray table (B)</p> Signup and view all the answers

    In terms of exposure factors, what does 'ALARA' stand for?

    <p>As Low As Reasonably Achievable (D)</p> Signup and view all the answers

    What is the purpose of using 4-sided collimation in radiography?

    <p>To restrict the x-ray beam to the area of interest (B)</p> Signup and view all the answers

    What is the recommended standard source-to-image receptor distance (SID) for radiography?

    <p>40 inches (D)</p> Signup and view all the answers

    What should be done with markers in radiography?

    <p>Use correct markers to identify which extremity side is being radiographed (D)</p> Signup and view all the answers

    What is the recommended type of IR (Image Receptor) to use to capture images during a radiography procedure?

    <p>Non-grid IR (D)</p> Signup and view all the answers

    What exposure factors are recommended for upper limb imaging to ensure sufficient density?

    <p>Low to medium kVp, short exposure time, and adequate mAs (C)</p> Signup and view all the answers

    What is the ideal positioning principle for correct centering in radiography?

    <p>Part should be parallel to the IR (C)</p> Signup and view all the answers

    What factor should be considered when imaging pediatric patients to help reduce motion?

    <p>Friendly and happy demeanor of the radiographer (C)</p> Signup and view all the answers

    What is a consideration for imaging geriatric patients?

    <p>Adapting projections due to limited patient ability (C)</p> Signup and view all the answers

    What is an important trauma consideration for patient imaging to ensure accurate imaging?

    <p>Calm demeanor and good communication (C)</p> Signup and view all the answers

    Which protocol is recommended for trauma and post-reduction imaging?

    <p>2 views: AP or PA, lateral (A)</p> Signup and view all the answers

    What is the recommended exposure factor for upper limb imaging to avoid shape and size distortion?

    <p>$55-70$ kVp and small focal spot (D)</p> Signup and view all the answers

    What principle helps avoid shape and size distortion in radiography?

    <p>The CR should be 90 degrees or perpendicular to the part and IR (A)</p> Signup and view all the answers

    What can help reduce motion when imaging pediatric patients?

    <p>Friendly and happy demeanor of the radiographer (D)</p> Signup and view all the answers

    What should be done with patient possessions during radiography?

    <p>Secure all patient possessions in a designated location (D)</p> Signup and view all the answers

    What is the recommended source-to-image receptor distance (SID) for radiography as per the text?

    <p>40&quot; (A)</p> Signup and view all the answers

    What is the purpose of using 4-sided collimation in radiography?

    <p>To reduce scatter radiation (C)</p> Signup and view all the answers

    What is the recommended type of image receptor (IR) for capturing images during a radiography procedure?

    <p>Non-grid, table top IR (C)</p> Signup and view all the answers

    What is the recommended marker placement for radiographic imaging?

    <p>Close to the anatomy of interest but inside the FOV (C)</p> Signup and view all the answers

    What is the purpose of positioning aids like sponges, tongue depressors, tape, and cotton swabs in radiography?

    <p>To assist in achieving correct body positioning and alignment (A)</p> Signup and view all the answers

    'ALARA' stands for:

    <p>'As Low As Reasonably Achievable' (C)</p> Signup and view all the answers

    What is a recommended technique for radiation protection in radiography?

    <p>&quot;Shield EVERY patient&quot; with full lead shield as preferred (D)</p> Signup and view all the answers

    What should be done to artifacts like rings, watches, bracelets, and long sleeve clothing before an x-ray?

    <p>&quot;Remove artifacts from anatomy of interest and/or out of the FOV&quot; (A)</p> Signup and view all the answers

    Study Notes

    Upper Limb Imaging

    • For upper limb imaging, the recommended exposure factors are those that ensure sufficient density.
    • The ideal positioning principle for correct centering is to align the central ray with the area of interest.
    • The recommended routine protocols for upper limb imaging include using a 4-sided collimation to reduce scatter radiation and improve image quality.
    • For trauma and post-reduction imaging, the recommended protocol is to use a high-contrast technique to visualize fractures and soft tissue injuries.

    Patient Considerations

    • When imaging pediatric patients, consider using sedation or immobilization to reduce motion and ensure accurate imaging.
    • When imaging geriatric patients, consider their physical limitations and potential cognitive impairments.
    • For trauma patients, ensure accurate imaging by considering the patient's injuries and potential internal injuries.

    Radiation Protection

    • 'ALARA' stands for As Low As Reasonably Achievable, which means using the lowest radiation dose possible to produce a diagnostic image.
    • A recommended technique for radiation protection is to use the 4-sided collimation to reduce scatter radiation and improve image quality.

    Markers and Positioning Aids

    • The recommended marker placement for radiographic imaging is to place markers on the image receptor to identify the patient's orientation and position.
    • Positioning aids like sponges, tongue depressors, tape, and cotton swabs are used to help position the patient correctly and comfortably.

    Image Receptor and Exposure Factors

    • The recommended type of image receptor (IR) for capturing images during a radiography procedure is a digital image receptor.
    • The recommended exposure factor for upper limb imaging is to use a high kVp to avoid shape and size distortion.
    • The principle of isocentrism helps avoid shape and size distortion in radiography by keeping the source-to-image receptor distance (SID) consistent.

    General Considerations

    • Patient possessions like rings, watches, bracelets, and long sleeve clothing should be removed before an x-ray to avoid artifacts.
    • The recommended source-to-image receptor distance (SID) for radiography is 40 inches (100 cm) to ensure accurate imaging.
    • The patient should be positioned comfortably and correctly to ensure accurate imaging.

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    Description

    Test your knowledge of patient positioning, room preparation, and communication in medical imaging. This quiz covers topics such as equipment preparation, patient communication, artifact removal, and patient instructions.

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