This is the pre test for your Radiology Rotation.
These are multiple choice questions with only one right answer
Which of the following statements is false regarding nonionic contrast material?
- It is less expensive than ionic contrast material.
- It is associated with fewer severe reactions than ionic contrast material.
- It is preferred for use in very young patients.
- It is preferred for use in very old patients.
- It is recommended for use in patients with a previous reaction to contrast media, asthma or other serious allergies.
Which of the following statements is true regarding digital subtraction angiography?
- It is rarely used with intra-arterial contrast.
- It increases the quantity of contrast agent to which the patient is exposed.
- It allows visualization of the arterial system with small boluses of intravascular contrast material.
- It is useful in detecting stenosis or fibromuscular hyperplasia of the renal artery.
- It is not useful in detecting stenotic lesions of the lower extremities.
A 54-year-old patient develops continuous convulsions after injection of contrast media for intravenous pyelography. The recommended treatment is:
- Phenobarbital, 60 mg intramuscularly.
- Phenytoin, 200 mg intravenously.
- Diazepam, 5 mg intravenously.
- Gabapentin, 400 mg intramuscularly.
- Felbamate, 600 mg intravenously.
Risk factors for contrast-induced renal failure include:
- A. Serum creatinine greater than 1.4 mg per dL as compared to age and weight.
- Dehydration.
- Age over 70.
- Dysproteinemia.
- All of the above.
The technique of choice for the evaluation of a suspected renal neoplasm is:
- Digital subtraction angiography.
- Intravenous pyelography.
- Computerized tomography (CT).
- Plain films.
- Magnetic resonance imaging (MRI).
The most useful imaging technique for detecting suspected early interstitial lung disease is:
- MRI.
- Digital subtraction angiography.
- High-resolution CT.
- Spiral CT.
- Cine CT.
In which of the following patients is evaluation by ultrasound not useful?
- A newborn suspected of having a congenital dislocation of the hip.
- A 16-year-old patient with right-lower-quadrant pain.
- A 38-year-old woman with a 2-cm soft breast mass.
- An asymptomatic patient with elevated serum calcium.
- A 66-year-old patient with abdominal pain and a suspected liver mass.
Sestamibi labeled with technetium (99mTc) is used in radionuclide scanning to evaluate:
- Myocardial perfusion.
- Abscesses.
- Gastrointestinal bleeding.
- Renal vascular hypertension.
- Tumors.
Which of the following patients should avoid MRI?
- A patient with a pacemaker.
- A patient with intracranial aneurysm clips.
- A patient on a ventilator.
- A patient who cannot be left unattended.
- All of the above.
A patient with suspected subarachnoid hemorrhage should be evaluated with:
- CT.
- MRI.
- Plain skull films.
- All of the above.
- None of the above.