Intro To Radiology Lecture

17 Questions | Total Attempts: 139

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Intro To Radiology Lecture

Ch 1-8


Questions and Answers
  • 1. 
    MRI is a form of radiation that can alter the patient's DNA.
    • A. 

      True

    • B. 

      False

  • 2. 
    Anaphylaxis is a contraindication to contrast.
    • A. 

      True

    • B. 

      False

  • 3. 
    Radiographs are mostly read on PACS. These radiographs are great for trauma, including fractures and bullets. They are also great for bone tumor evaluation and bowel obstruction diagnosis. Radiographs are not the best when examining soft tissue pathology (except for foreign body and air). PACS stands for ____ _____ ____ ____.
  • 4. 
    Unless life or death emergency, a CT with IV contrast is contraindicated when CR is GREATER than ____.
    • A. 

      1.0

    • B. 

      1.3

    • C. 

      1.5

    • D. 

      1.8

  • 5. 
    Select all the possible routes of administration for CT contrast.
    • A. 

      Oral

    • B. 

      IV

    • C. 

      Inhalation

    • D. 

      Topical

    • E. 

      Rectal

  • 6. 
    Nephrogenic Systemic Fibrosis is a debilitating disease that can occur as a side effect of which imaging modality in patients with renal insufficiency?
    • A. 

      CT with barium sulfate contrast

    • B. 

      MRI with gadolinium-based contrast

    • C. 

      CT with gastrograffin contrast

    • D. 

      CT with nonionic low-osmolar contrast

  • 7. 
    What is the number one cause of repeat films?
    • A. 

      Motion

    • B. 

      Unskilled technologists

    • C. 

      Patients falling asleep

    • D. 

      Poor inspiration

    • E. 

      A PA student's lack of sleep

  • 8. 
    In adults, the heart should be less than ____ of the internal diameter of the thoracic rib cage.  In infants, the heart should be less than ____ of the internal diameter of the thoracic rib cage. 
    • A. 

      45%; 50%

    • B. 

      50%; 50%

    • C. 

      50%; 65%

    • D. 

      50%; 75%

  • 9. 
    The silhouette sign occurs when
    • A. 

      Airspace disease obscures the right heart border, but not the right hemidiaphragm

    • B. 

      Airspace disease obscures the right hemidiaphragm, but not the right heart border

    • C. 

      Air surrounds the trachea

    • D. 

      Packets of disease are separated by normal-appearing, aerated lung

  • 10. 
    With right-sided atelectasis, which direction does the heart shift?
    • A. 

      Shifts to the left

    • B. 

      Shifts to the right

    • C. 

      Remains midline

    • D. 

      Shifts inferiorly

  • 11. 
    With right-sided atelectasis, which direction does the right hemidiaphragm shift?
    • A. 

      Shifts to the right

    • B. 

      Shifts to the left

    • C. 

      Shifts upward

    • D. 

      Shifts downward

  • 12. 
    Which direction does the heart and trachea shift when a pleural effusion is present?
    • A. 

      Both the heart and the trachea shift towards the pleural effusion

    • B. 

      Both the heart and the trachea shift away from the pleural effusion

    • C. 

      Both the heart and the trachea disappear

    • D. 

      The heart shifts toward the pleural effusion while the trachea shifts away from the pleural effusion

  • 13. 
    Which direction do the heart and trachea shift when pneumonia is present in the left lung?
    • A. 

      Both the heart and trachea shift towards the left

    • B. 

      Both the heart and trachea shift towards the right

    • C. 

      Both the heart and trachea remain in their normal positions

    • D. 

      Both the heart and trachea disappear

  • 14. 
    Which type of atelectasis is defined as "a type of passive atelectasis in which the lung does not re-expand when a pleural effusion recedes"?
    • A. 

      Subsegmental atelectasis

    • B. 

      Compressive atelectasis

    • C. 

      Obstructive atelectasis

    • D. 

      Round atelectasis

  • 15. 
    As the amount of fluid increases in a pleural effusion, it forms a _______ shape on the upright frontal chest radiograph.
    • A. 

      Coffee bean

    • B. 

      Silhouette

    • C. 

      Patchy

    • D. 

      Meniscus

  • 16. 
    The lemon sign is associated with what disease/condition in the lung?
    • A. 

      Pseudotumor

    • B. 

      Sarcoidosis

    • C. 

      Pneumothorax

    • D. 

      Pneumonia

  • 17. 
    You are looking at your patient's chest radiograph and see in the lung a "cavitary upper lobe." From your countless hours of studying radiology during PA school you remember that this finding is ____ until proven otherwise.
    • A. 

      Histoplasma

    • B. 

      Mycobacterium tuberculosis

    • C. 

      Cryptococcus

    • D. 

      Aspergillus

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