Critically examine the radiographic image provided and answer the questions that follow. Picture3.png Critically discuss the radiographic technique used to acquire this image. (5) Identify the pathology demonstrated.   (1)

A mass seen in the bile ducts that may signify malignancy is indicative of which condition?

In CT angiography of the brain, which of the following structures is most commonly selected as the region of interest (ROI) for bolus tracking?

As the rate of contrast injection increases, the degree of contrast enhancement _________ and the duration of contrast enhancement decreases.

A patient presents with sudden-onset neurological deficits suggestive of a large-vessel cerebral occlusion. In which of the following conditions would an interventional radiologist most likely consider performing a thrombectomy?  

A 70-year-old man with Parkinson’s disease develops visual hallucinations. Which antipsychotic is the safest choice?

Carbamazepine is associated with which significant adverse effect?

Which agent is best for patients with liver disease and schizophrenia? 

Which neurotransmitter systems are most commonly implicated in the pathophysiology of major depressive disorder?

Which drug requires slow titration to avoid risk of severe rash?