Intermediate Anterior Cerebral Artery Quiz

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

• A3
• A4
• A1
• A2

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

• A5
• A1
• A2
• A4

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

• A3
• A5
• A2
• A1

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

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

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

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

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

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

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

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

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

• Paracentral lobule
• Cuneus
• Transverse temporal gyrus
• Uncus

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

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

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

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