Contrast and Radiological Procedures 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

Which contrast agent is most commonly used in MRI?

Accepted Answer

Gadolinium-based

Answer

Iodine-based

Answer

Barium sulfate

Answer

Technetium-99m

Question 3

A 45-year-old woman, suspected of having colon cancer, is advised to undergo a contrast-CT scan of the abdomen. She has no comorbidities and no significant past medical history. There is also no history of drug allergy. However, she reports that she is allergic to certain kinds of seafood. After tests confirm normal renal function, she is taken to the CT scan room where radiocontrast dye is injected intravenously and a CT scan of her abdomen is conducted. While being transferred to her ward, she develops generalized itching and urticarial rashes, with facial angioedema. She becomes dyspneic. Her pulse is 110/min, the blood pressure is 80/50 mm Hg, and the respirations are 30/min. Her upper and lower extremities are pink and warm. What is the most appropriate management of this patient?

Accepted Answer

Administer IM epinephrine 1:1,000, followed by steroids and antihistamines

Answer

Administer broad-spectrum IV antibiotics

Answer

Administer vasopressors (norepinephrine and dopamine)

Answer

Perform IV resuscitation with colloids

Answer

Obtain an arterial blood gas analysis

Question 4

Which of the following indicates radiograph contrast induced nephropathy?

Accepted Answer

Increased creatinine levels

Answer

Decreased urine output

Answer

Increased bilirubin

Answer

Decreased bilirubin

Question 5

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 6

In which of the following conditions is ground glass appearance of the maxillary sinus seen?

Accepted Answer

Maxillary fibrous dysplasia

Answer

Maxillary sinusitis

Answer

Maxillary carcinoma

Answer

Maxillary polyp

Question 7

What radiological finding is described as a "coiled spring appearance"?

Accepted Answer

Intussusception

Answer

Achalasia

Answer

Duodenal perforation

Answer

Chronic pancreatitis

Question 8

What is the most common source of error leading to a false positive finding of dental caries?

Accepted Answer

Cervical burnout

Answer

Fluorosis

Answer

Dental pigmentation

Answer

All of the above

Question 9

What is the imaging of choice for urethral trauma?

Accepted Answer

Ascending urethrogram

Answer

Descending urethrogram

Answer

Ultrasound (USG)

Answer

CT scan

Question 10

What is the size of a periapical film typically used in adults?

Accepted Answer

31 x 41 mm

Answer

21 x 31 mm

Answer

22 x 35 mm

Answer

None of the above

Contrast and Radiological Procedures

Study Resources

Lessons

Questions

Flashcards

Lessons

Iodinated Contrast Media

MRI Contrast Agents

Ultrasound Contrast Agents

Adverse Reactions to Contrast Media

Management of Contrast Reactions

Contrast-Induced Nephropathy

Barium Studies

Intravenous Urography

Angiography Techniques

Lymphangiography

Contrast Administration Protocols

Pretesting and Premedication

Practice Questions

Flashcards

About Contrast and Radiological Procedures for NEET-PG

Lessons in Contrast and Radiological Procedures

Master Contrast and Radiological Procedures