CT StudyGuidelines 5

123 Responses | Created by jcsmith22 |
  1. 1

    Viscosity is a measure of a fluid's:

  2. 2

    An injection rate of __ cc/sec will maintain a dense bolus of IV contrast media for a CTA exam and will be tolerated by most patients.

  3. 3

    Low osmolar contrast media:

  4. 4

    When a contrast agent is injected directly into the joint space it is known as ____ contrast.

  5. 5

    The portal venous phase occurs about _____ seconds after the start of the IV contrast injection.

  6. 6

    Which of the following oral contrast agents is better for opacifying the distal small intestine?

  7. 7

    The viscosity of IV contrast media can be reduced by:

  8. 8

    Which of the following may help to reduce adverse reactions resulting from the administration of IV contrast media?

  9. 9

    The osmolality of plasma is __ mOsm/kg.

  10. 10

    Which of the following is associated with a bi phasic study of the liver?

  11. 11

    To best visualize the stomach wall, which of the following should the patient drink last?

  12. 12

    An indication for IV contrast injection is to rule out:

  13. 13

    Which of the following is the order in which the phases of IV contrast enhancement occur?

  14. 14

    Iodinated IV contrast agents perfuse normal:

  15. 15

    Contrast agents containing barium sulfate:

  16. 16

    The hepatic arterial phase occurs about ____ seconds after the start of the IV contrast injection.

  17. 17

    Which of the following is a result of injecting a hypertonic solution into the vascular space?

  18. 18

    Which of the following is a common patient reaction to IV contrast media?

  19. 19

    The contrast between a lesion and the surrounding tissue may _____ following the injection of contrast media.

  20. 20

    Which of the following characteristics of an IV contrast agent affects patient tolerance?

  21. 21

    A difference in density of ___ HU between the aorta and the inferior vena cava would indicate the non equilibrium phase of enhancement.

  22. 22

    The definition of osmolality is the _____ the contrast agent solution.

  23. 23

    What is the appropriate care to give to a patient with diabetes?

  24. 24

    Which of the following is TRUE regarding barium sulfate solutions used in CT?

  25. 25

    What should be done if extravasation is noticed at the injection site?

  26. 26

    The heating unit on a power injector is for ____ of the contrast media.

  27. 27

    There is substanital enhancement of the liver compared to tumors during the ___ phase but during the ___ phase, there is the possiblity of tumor enhancement which may make hepatic tumors isodense

  28. 28

    A CT study of the brain to visualize MS plaques maybe made more sensitive by using ___ delay after the contrast agent has been injected.

  29. 29

    Why is the cephalic vein a less desirable site for injection than the basilic vein?

  30. 30

    Exams to rule out _____ would indicate the use of IV contrast media in the chest.

  31. 31

    Barium sulfate oral contrast media would be selected instead of iodinated oral contrast media because:

  32. 32

    IV contrast agents used in CT increase the attenuation of the xray beam due to the concentration of ___ in the agent.

  33. 33

    A delay of about __ seconds after the start of the IV contrast injection should be used for a helical scan of the neck.

  34. 34

    Which of the following is a typical scan delay following the start of the injection for helical CT exams of the pancreas?

  35. 35

    How long does it take to inject 150ml of contrast media with an injection rate of 2ml/sec?

  36. 36

    Which of the following is TRUE regarding ionic contrast agents?

  37. 37

    If there is doubt regarding the sterility of the contrast media, the contrast media must be:

  38. 38

    A delay of about _ seconds after the start of the IV contrast injection should be used for a helical scan of the chest.

  39. 39

    The most common catheter size used in CT is __ gauge.

  40. 40

    Which of the following is NOT a typical adverse reaction to oral contrast media used in CT?

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