Simulated CT Exam 1

19 Questions

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Simulated CT Exam 1

Registry review for Computed Tomography


Questions and Answers
  • 1. 
     The normal range of respiration for an adult is:
    • A. 

      5-10 breaths per minute

    • B. 

      12-20 breaths per minute

    • C. 

      20-30 breaths per minute

    • D. 

      35-50 breaths per minute

  • 2. 
    Which of the following is a parenteral route of medication administration:
    • A. 

      Sublingual

    • B. 

      Intramuscular

    • C. 

      Transdermal

    • D. 

      Oral

  • 3. 
    A patient in shock may exhibit which of the following:
    • A. 

      Tachycardia

    • B. 

      Rapid, shallow breathing

    • C. 

      Cyanosis

    • D. 

      All of the above

  • 4. 
    A common site for the intravenous injection of iosinated contrast media is the:
    • A. 

      Cephalic vein

    • B. 

      Antecubital vein

    • C. 

      Basilic vein

    • D. 

      All of the above

  • 5. 
    Which of the following technical factors exhibits a direct effect on patient dose:
    • A. 

      Matrix size

    • B. 

      Algorithm

    • C. 

      Milliampere-seconds (mAs)

    • D. 

      Window level

  • 6. 
    Which of the following infection control techniques is required at the site of an intravenous injection of iodinated contrast media:
    • A. 

      Contact isolation

    • B. 

      Surgical asepsis

    • C. 

      Medical asepsis

    • D. 

      Enteric precautions

  • 7. 
    Prior to an intravenous injection of iodinated contrast materials, the patient should be questioned regarding:1. renal function2. allergic history3. cardiac history
    • A. 

      1 only

    • B. 

      2 only

    • C. 

      3 only

    • D. 

      1,2,3

  • 8. 
    Used in determining the biologic effect of iodinated contrast media, the term ___________ refers to the number of ions formed when a substance dissociates in solution:
    • A. 

      Solubility

    • B. 

      Osmolality

    • C. 

      Concentration

    • D. 

      Iodination

  • 9. 
    Which of the following laboratory values can be used to evaluate the renal function of a patient:
    • A. 

      Blood urea nitrogen (BUN)

    • B. 

      Partial thromboplastin time

    • C. 

      Creatinine

    • D. 

      Both a and c

  • 10. 
    A (n) _____________ infection is one that patients acquire during their stay in a health care institution:
    • A. 

      Blood-borne

    • B. 

      Noscomial

    • C. 

      Iatrogenic

    • D. 

      Staphylococcal

  • 11. 
    During CT examinations, patients should be shielded above and below because of:
    • A. 

      The rotational nature of the x-ray tube

    • B. 

      Extremely high kilovolt peak (kVp) techniques

    • C. 

      Lack of filtration of the CT beam

    • D. 

      Reduced collimation of the CT beam

  • 12. 
    Which of the following would be best suited for intravenous injection of contrast material with a power injector:
    • A. 

      A butterfly needle

    • B. 

      A central venous line

    • C. 

      A 23 gauge spinal needle

    • D. 

      An angiocatheter

  • 13. 
    Thorough explanation of the CT procedure and proper communication with the patient is vital in ensuring that:1. breathing instructions are properly followed2. misregistration does not occur3. patient anxiety is kept to a minimum
    • A. 

      1 and 2 only

    • B. 

      1 and 3 only

    • C. 

      2 and 3 only

    • D. 

      1,2,3

  • 14. 
    • A. 

      Neutral

    • B. 

      Non-ionic

    • C. 

      Osmolar

    • D. 

      Ionic

  • 15. 
    Which of the following is an accurate method of verifying patient identity:
    • A. 

      Calling patients by their full name

    • B. 

      Checking the name listed on the medical record

    • C. 

      Examining the patient's wrist identification band

    • D. 

      All of the above

  • 16. 
    Advantages of automatic power injectors over manual bolus method of intravenous contrast administration include:1. increased tissue enhancement due to faster injection times2. uniform contrast administration over the entire length of the study3. decreased volume of contrast administered
    • A. 

      1 only

    • B. 

      3 only

    • C. 

      1 and 2 only

    • D. 

      2 and 3 only

  • 17. 
    The average range for normal adult blood urea nitrogen (BUN) levels is approximately:
    • A. 

      1-4 mg/dL

    • B. 

      5-20 m/dL

    • C. 

      23-30 mg/dL

    • D. 

      45-60 mg/dL

  • 18. 
    Which of the following terms describes a condition in which cerebral ischemia is caused by systemic hypotension?
    • A. 

      Vasovagal reaction

    • B. 

      Myocardial infarction

    • C. 

      Transient ischemic attack

    • D. 

      Hydrocephalus

  • 19. 
    Which of the following interactions between x-ray beam and matter results in the largest amount of patient dose?
    • A. 

      Characteristic

    • B. 

      Compton scatter

    • C. 

      Bremsstrahlung

    • D. 

      Photoelectric effect