Lower Extremity Radiologic Technology Chapter 7 Quiz
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Questions and Answers

What is the approximate angle of the neck to shaft in the proximal femur?

  • 90°
  • 180°
  • 125° (correct)
  • 150°
  • Which part of the hip bone is responsible for forming the acetabulum?

  • Posterior superior iliac spine
  • Ala (wing)
  • Anterior Inferior Iliac spine
  • Ilium (correct)
  • What type of joint classification does the sacroiliac joint belong to?

  • Cartilaginous Synarthrodial
  • Synovial Amphiarthrodial (correct)
  • Fibrous Suture
  • Synovial Diarthrodial
  • Which structure in the pelvis is known for being immovable?

    <p>Symphysis pubis</p> Signup and view all the answers

    How many parts does the hip bone consist of according to the text?

    <p>Four</p> Signup and view all the answers

    In hip localization, how many inches represent the neck of the femur?

    <p>2.5 inches</p> Signup and view all the answers

    What is the recommended degree of internal rotation for the distal femur?

    <p>5°</p> Signup and view all the answers

    How should the patient's leg be positioned for an AP Proximal Femur X-ray?

    <p>Fully extended</p> Signup and view all the answers

    What should be perpendicular to the tabletop for a Lateral Femur X-ray?

    <p>Epicondyles</p> Signup and view all the answers

    What should be adjusted into a true lateral position for a Lateral Femur X-ray?

    <p>Pelvis</p> Signup and view all the answers

    What is the purpose of marking the distal on a proximal femur and proximal on a distal femur during X-rays?

    <p>To show overlap</p> Signup and view all the answers

    How should the unaffected extremity be positioned during a Lateral Femur X-ray for support?

    <p>In front of the affected extremity</p> Signup and view all the answers

    How should the lesser trochanters appear in the External Rotation, Relaxed Position?

    <p>In profile</p> Signup and view all the answers

    What is the correct position of the affected limb in Asymmetric Rotation (Hip Fracture)?

    <p>Lesser trochanter in profile</p> Signup and view all the answers

    How should the patient's leg be positioned for an AP Femur X-ray to include the knee?

    <p>Leg extended</p> Signup and view all the answers

    What is the correct bottom extension of the IR for an AP Femur X-ray?

    <p>2 inches below the knee</p> Signup and view all the answers

    How should the extremity be rotated for an AP Femur X-ray to place femoral epicondyles parallel with IR?

    <p>Internally rotated</p> Signup and view all the answers

    Where should the top of the IR be positioned for an AP Femur X-ray to include the hip?

    <p>At ASIS (Anterior Superior Iliac Spine)</p> Signup and view all the answers

    For a lateral femur X-ray, where should the unaffected extremity be positioned?

    <p>Posteriorly</p> Signup and view all the answers

    When positioning the pelvis for a lateral femur X-ray, how many degrees should it be rolled from the lateral position?

    <p>10 to 15 degrees posteriorly</p> Signup and view all the answers

    In a lateral femur X-ray, where should the central ray (CR) be directed?

    <p>Midfemur</p> Signup and view all the answers

    Which projection is used for a lateral femur X-ray at the mid and distal parts of the femur?

    <p>Trauma Lateromedial</p> Signup and view all the answers

    What is the optimal abduction angle for a AP Bilateral Frog-Leg Projection X-ray?

    <p>20°-30° abduction</p> Signup and view all the answers

    Where should the central ray (CR) be directed in an AP bilateral frog-leg projection X-ray?

    <p>3 inches below ASIS</p> Signup and view all the answers

    What is the recommended angle for the CR in the Clements-Nakayama Method?

    <p>15° posteriorly from the femoral neck</p> Signup and view all the answers

    In the Martz and Taylor Method for Congenital Dislocation of the Hip, what angle should the tube be directed at to the pubic symphysis?

    <p>45° cephalic</p> Signup and view all the answers

    Which method involves angling the plate 15 degrees posterior to match the central ray (CR)?

    <p>Clements-Nakayama Method</p> Signup and view all the answers

    What is one of the positioning guidelines for Routine AP Axiolateral Hip X-ray?

    <p>Turn affected leg internally 15-20 degrees</p> Signup and view all the answers

    For what view is the Memorial- AP Pelvis, Bilateral modified Cleves method typically used?

    <p>Posterior dislocation</p> Signup and view all the answers

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