Radiology and Anatomy Quiz
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Questions and Answers

To demonstrate the pulmonary apices below the level of the clavicles in the AP position, the CR should be directed:

  • 15 to 20 cephalad (correct)
  • 15 to 20 caudad
  • Perpendicular
  • 40 cephalad
  • Which of the following groups of exposure factors will deliver the greatest amount of exposure to the patient?

  • 50mAs, 100kV
  • 100mAs,90kV
  • 400mAs, 70kV (correct)
  • 200mAs, 80kV
  • The period of relaxation of the heart is termed:

  • hypertension
  • diastole (correct)
  • dyspnea
  • systole
  • When examining the fourth and fifth fingers in the lateral position, which side of the forearm should be closest to the image receptor?

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

    Blunting of the costophrenic angles seen on a PA projection of the chest can be an indication of:

    <p>pleural effusion</p> Signup and view all the answers

    Which of the following is the most proximal structure on the adult ulna?

    <p>olecranon process</p> Signup and view all the answers

    How are wavelength and energy related?

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

    If the patient lacks decision-making capacity, their rights can be exercised on their behalf by:

    <p>1 and 2 only</p> Signup and view all the answers

    What is the effect of filtration on the average energy of the primary beam?

    <p>It decreases the average energy</p> Signup and view all the answers

    What is the location of the right colic flexure?

    <p>Junction of the transverse and ascending colon</p> Signup and view all the answers

    What is the unit of measurement for the energy of ionizing electromagnetic radiations?

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

    What is used to account for the relative radiosensitivity of various tissues and organs?

    <p>Radiation weighting factors (Wr) and tissue weighting factors (Wt)</p> Signup and view all the answers

    Which position is best suited for demonstrating a double contrast of the hepatic and splenic flexures?

    <p>Left lateral decubitus</p> Signup and view all the answers

    What is the characteristic of an x-ray image with many shades of gray from white to black?

    <p>Long-scale contrast</p> Signup and view all the answers

    Which condition would demonstrate the least x-ray penetrability?

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

    What is the normal relationship between the axillary temperature and the rectal temperature?

    <p>The axillary temperature is lower</p> Signup and view all the answers

    Study Notes

    Radiation Physics

    • Filtration decreases the average energy of the primary beam
    • Energy of ionizing electromagnetic radiations is measured in keV (kilo-electronvolts)

    Anatomy

    • The right colic flexure is formed by the junction of the transverse and ascending colon
    • The proximal tibiofibular articulation is best demonstrated in the AP position
    • The olecranon process is a proximal structure on the adult ulna
    • The normal adult axillary temperature is lower than rectal temperature

    Radiography

    • Filtration increases the intensity of the primary beam
    • A double contrast of the hepatic and splenic flexures is best demonstrated in the right lateral decubitus position
    • An x-ray image with many shades of gray from white to black is described as having long-scale contrast
    • The period of relaxation of the heart is termed diastole

    Patient Care

    • An ambulatory patient is one who is able to walk
    • A patient lacking decision-making capacity can have their rights exercised by a designated surrogate or proxy
    • A radiographer who discloses confidential information to unauthorized individuals may be found liable for breach of confidentiality

    Imaging Procedures

    • Preparation for an upper GI series typically involves clear fluids 8 hours prior to examination
    • The usual position for demonstrating the pulmonary apices below the level of the clavicles in the AP position requires the CR to be directed 15 to 20° cephalad
    • The lateral oblique position is not typically used for both single-contrast and double-contrast examinations of the large bowel

    Medical Conditions

    • Blunting of the costophrenic angles on a PA projection of the chest can be an indication of pleural effusion
    • Paralytic ileus demonstrates least x-ray penetrability

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    Test your knowledge on radiology and anatomy concepts, including filtration's effect on primary beam and anatomy of the colon and other body parts.

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