Contrast Administration Protocols Practice Questions

Question 1

Which of the following contrast agents is PREFERRED in a patient with renal dysfunction for the prevention of contrast-induced nephropathy?

Accepted Answer

Iso-osmolar contrast

Answer

High osmolar contrast

Answer

Ionic contrast

Answer

Low osmolar contrast

Question 2

Gadolinium is a contrast agent used for:

Accepted Answer

MRI - Imaging

Answer

CT - angiography

Answer

Bronchography

Answer

Contrast Sonography

Question 3

Enhancement in CT contrast is due to -

Accepted Answer

Iodine

Answer

Gadolinium

Answer

Mercury

Answer

Silver

Question 4

Which of the following is a non-ionic contrast agent?

Accepted Answer

Iohexol

Answer

Amidotrizoate

Answer

Iothalamate

Answer

Ioxoglate

Question 5

Substance utilized for a barium meal follow-through study is:

Accepted Answer

Barium sulphate

Answer

Barium oxide

Answer

Barium hydroxide

Answer

Barium carbonate

Question 6

What does the following radiograph from a double contrast esophagram represent?

Accepted Answer

Feline esophagus

Answer

Esophageal atresia

Answer

Esophageal stenosis

Answer

Tracheoesophageal fistula

Question 7

All of the following are advantages of the paralleling technique except?

Accepted Answer

The shadow of the zygomatic bone frequently overlies the roots of the upper molars

Answer

An excellent bone level assessment

Answer

No elongation or foreshortening seen in the periapical region

Answer

Interproximal caries is clearly indicated

Question 8

What is the imaging of choice for urethral trauma?

Accepted Answer

Ascending urethrogram

Answer

Descending urethrogram

Answer

Ultrasound (USG)

Answer

CT scan

Question 9

Sialography of a normal salivary gland reveals the ductal architecture as having what appearance?

Accepted Answer

Leafless tree

Answer

Sausage string

Answer

Fruit-laden tree

Answer

Bailin hand

Question 10

Which of the following is true regarding the principle of Magnetic Resonance Cholangiopancreatography (MRCP)?

Accepted Answer

Use of heavily T2-weighted images without contrast to create a three-dimensional image of the biliary tree using the Maximum Intensity Projection (MIP) algorithm.

Answer

Intraluminal dye is used to create a three-dimensional view of the structures.

Answer

Dye is instilled percutaneously first, then MRI is used.

Answer

Use of systemic Gadolinium as a contrast agent to create a three-dimensional image of the biliary tree.

Contrast Administration Protocols — MCQs

Contrast Administration Protocols — MCQs

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