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CT Final Exam Questions and Answers
100% Pass
In the CT setting, which describes the concept of basic (simple) consent? - ✔✔Before the CT examination,
the technologist explains the procedure to the patient and asks them if they agree. (A)
A patient is being scheduled for a CT examination of the neck. The patient also needs a number of other
diagnostic exams. Which of the following exams may affect the date scheduled for the CT study? -
✔✔Nuclear medicine thyroid scan (B)
All of the following are reasons for obtaining a history before a CT exam is preformed EXCEPT: - ✔✔To
verify that the patient has not exceeded his radiation limit (A)
What is a general rule regarding the administration of intravascular contrast media to patients receiving
dialysis? - ✔✔Patients on dialysis who still have some residual kidney function should not be given
contrast media: patients with end-stage renal failure can be given contrast media (B)
In many institutions a radiologist is consulted before intravenous contrast medium is administered to
patients in whom the creatinine value greater than: - ✔✔2.0mg/dL (C)
You complete the CT and will remove the intravenous catheter. Which of the following medications may
necessitate holding pressure on the puncture site for a longer period? - ✔✔Coumadin (A)
In what circumstances is it acceptable to use a large-bore tunneled dialysis catheter for the injection of
iodinated contrast media? - ✔✔A dialysis catheter should never be used for contrast media
administration (D)
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Documentation of IV contrast administration is: - ✔✔Required on all patients and should include the
name of the agent, the dose the flow rate, and the injection site (D)
Which is a TRUE statement regarding venipuncture in a peripheral vein for the placement of an IV line
for a CT coronary angiogram? - ✔✔An indwelling catheter set a flexible plastic cannula should be used,
preferably 20-gauge or larger (C)
Automated injection triggering methods are used to: - ✔✔Effectively accommodate for individual
differences in circulation time by adjusting the scan delay (C)
In what phase of tissue enhancement is the iodinated contrast in Figure 24-1? - ✔✔Bolus (B)
Which of the following is TRUE of an ionic contrast medium? - ✔✔The molecules in an ionic contrast
solution dissociate to form ions in water (C)
What property of intravenous contrast media is responsible for its capacity to increase a structure's ability
to attenuate the x-ray beam? - ✔✔Iodine concentration (C)
In performing CT colonography, which is an advantage of CO2 over room air? - ✔✔CO2 induces less
spastic response of the bowel wall and is therefore better tolerated by most patients (B)
A CT of the abdomen and pelvis is ordered for a child weighing 18kg. Using the standard pediatric
formula, what dose of iodinated contrast medium is given? - ✔✔36mL (C)
Which is a TRUE statement regarding the risk of iodinated contrast media to the fetus? - ✔✔Although no
definite risk to the fetus has been identified, not enough studies have been done to conclude that there are
no risks
Contrast media- induced nephropathy can be defined as: - ✔✔An acute impairment of renal function that
followsthe intravascular administration of contrast material and for which alternative causes have been
excluded (A)
Emily Charlene © 2025, All Rights Reserved.
CT Final Exam Questions and Answers
100% Pass
In the CT setting, which describes the concept of basic (simple) consent? - ✔✔Before the CT examination,
the technologist explains the procedure to the patient and asks them if they agree. (A)
A patient is being scheduled for a CT examination of the neck. The patient also needs a number of other
diagnostic exams. Which of the following exams may affect the date scheduled for the CT study? -
✔✔Nuclear medicine thyroid scan (B)
All of the following are reasons for obtaining a history before a CT exam is preformed EXCEPT: - ✔✔To
verify that the patient has not exceeded his radiation limit (A)
What is a general rule regarding the administration of intravascular contrast media to patients receiving
dialysis? - ✔✔Patients on dialysis who still have some residual kidney function should not be given
contrast media: patients with end-stage renal failure can be given contrast media (B)
In many institutions a radiologist is consulted before intravenous contrast medium is administered to
patients in whom the creatinine value greater than: - ✔✔2.0mg/dL (C)
You complete the CT and will remove the intravenous catheter. Which of the following medications may
necessitate holding pressure on the puncture site for a longer period? - ✔✔Coumadin (A)
In what circumstances is it acceptable to use a large-bore tunneled dialysis catheter for the injection of
iodinated contrast media? - ✔✔A dialysis catheter should never be used for contrast media
administration (D)
Emily Charlene © 2025, All Rights Reserved.
, 2|Page
Documentation of IV contrast administration is: - ✔✔Required on all patients and should include the
name of the agent, the dose the flow rate, and the injection site (D)
Which is a TRUE statement regarding venipuncture in a peripheral vein for the placement of an IV line
for a CT coronary angiogram? - ✔✔An indwelling catheter set a flexible plastic cannula should be used,
preferably 20-gauge or larger (C)
Automated injection triggering methods are used to: - ✔✔Effectively accommodate for individual
differences in circulation time by adjusting the scan delay (C)
In what phase of tissue enhancement is the iodinated contrast in Figure 24-1? - ✔✔Bolus (B)
Which of the following is TRUE of an ionic contrast medium? - ✔✔The molecules in an ionic contrast
solution dissociate to form ions in water (C)
What property of intravenous contrast media is responsible for its capacity to increase a structure's ability
to attenuate the x-ray beam? - ✔✔Iodine concentration (C)
In performing CT colonography, which is an advantage of CO2 over room air? - ✔✔CO2 induces less
spastic response of the bowel wall and is therefore better tolerated by most patients (B)
A CT of the abdomen and pelvis is ordered for a child weighing 18kg. Using the standard pediatric
formula, what dose of iodinated contrast medium is given? - ✔✔36mL (C)
Which is a TRUE statement regarding the risk of iodinated contrast media to the fetus? - ✔✔Although no
definite risk to the fetus has been identified, not enough studies have been done to conclude that there are
no risks
Contrast media- induced nephropathy can be defined as: - ✔✔An acute impairment of renal function that
followsthe intravascular administration of contrast material and for which alternative causes have been
excluded (A)
Emily Charlene © 2025, All Rights Reserved.
