Intermediate Anterior Cerebral Artery Quiz

Q1. Which segment of the anterior cerebral artery extends from its internal carotid origin to the anterior communicating artery?

• A1
• A4
• A2
• A3

Q2. Which ACA segment begins distal to the anterior communicating artery and extends toward the genu of the corpus callosum?

• A2
• A5
• A1
• A4

Q3. Which ACA segment curves around the genu of the corpus callosum?

• A5
• A2
• A3
• A1

Q4. Which two arteries are commonly regarded as the principal distal branches of the anterior cerebral artery?

• Superior and inferior cerebellar arteries
• Pericallosal and callosomarginal arteries
• Posterior cerebral and basilar arteries
• Anterior choroidal and ophthalmic arteries

Q5. Which ACA branch commonly supplies parts of the caudate head and anterior limb of the internal capsule?

• Recurrent artery of Heubner
• Posterior inferior cerebellar artery
• Calcarine artery
• Labyrinthine artery

Q6. Which structures are supplied by small medial lenticulostriate branches arising mainly from the A1 segment?

• Cerebellar cortex only
• Deep basal forebrain and striatal structures
• Occipital visual cortex only
• Spinal cord below the conus

Q7. Which artery often runs in or near the cingulate sulcus parallel to the pericallosal artery?

• Callosomarginal artery
• Posterior communicating artery
• Superior cerebellar artery
• Anterior choroidal artery

Q8. Which cortical region supplied by the ACA contains lower limb motor and sensory representations?

• Paracentral lobule
• Cuneus
• Uncus
• Transverse temporal gyrus

Q9. Which cortical branch of the ACA supplies much of the medial frontal region near the frontal pole?

• Calcarine branch
• Labyrinthine branch
• Frontopolar branch
• Anterior temporal branch

Q10. Which arterial territory lies adjacent to the ACA territory over the superior cerebral convexity?

• Basilar perforator territory
• Middle cerebral artery territory
• Posterior inferior cerebellar artery territory
• Anterior spinal artery territory