Neuroanatomy Quiz 3

The following 5 questions are related to the scan below:

Question 1
What type of scan is this?

Hover over the icon for the answer: 
   
  Non-contrast CT head

Question 2
What is the name of the structure the yellow arrow is pointing to?

Answer: 
   
  Middle Cerebral Artery (MCA)

Question 3
What is the name of this radiological sign?

Answer: 
   
  Dense Artery Sign

Question 4
What pathology is this sign associated with?

Answer: 
   
  MCA stroke/infarct

Question 5
Is this sign apparent in the acute, sub-acute or chronic phase of this pathology?

Answer: 
   
 Acute phase, indicating occlusion