Intermediate Posterior Cerebral Artery Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. Which PCA segment extends from the basilar bifurcation to the junction with the posterior communicating artery?
- P1 segment
- P3 segment
- P4 segment
- P2 segment
Q2. Which PCA segment begins distal to the posterior communicating artery and courses around the midbrain?
- P4 segment
- P2 segment
- P1 segment
- P3 segment
Q3. Which cistern is traversed by the P2 segment as it courses around the midbrain?
- Lumbar cistern
- Ambient cistern
- Chiasmatic cistern
- Cerebellomedullary cistern
Q4. Which proximal PCA branches supply paramedian thalamic and rostral midbrain structures?
- Callosomarginal arteries
- Thalamoperforating arteries
- Orbitofrontal arteries
- Lenticulostriate arteries
Q5. Which PCA branches commonly contribute to the blood supply of the lateral and posterior thalamus?
- Anterior spinal arteries
- Frontopolar arteries
- Medial lenticulostriate arteries
- Thalamogeniculate arteries
Q6. Which PCA branches supply portions of the choroid plexus and nearby deep cerebral structures?
- Anterior temporal veins
- Superior sagittal arteries
- Posterior choroidal arteries
- Middle meningeal arteries
Q7. Which cranial nerve passes between the posterior cerebral artery and superior cerebellar artery after emerging from the midbrain?
- Hypoglossal nerve
- Oculomotor nerve
- Facial nerve
- Accessory nerve
Q8. What portion of visual space is represented by the visual cortex of one cerebral hemisphere?
- Contralateral visual hemifield
- Contralateral eye only
- Ipsilateral visual hemifield only
- Ipsilateral eye only
Q9. Which PCA cortical territory includes parts of the hippocampal and parahippocampal regions?
- Anterior insular territory
- Medial frontal motor territory
- Lateral precentral territory
- Inferomedial temporal territory
Q10. Which feature characterizes a fetal-type posterior cerebral artery?
- Dominant PCA inflow from the internal carotid through the posterior communicating artery
- Direct PCA origin from the anterior cerebral artery
- Absence of both posterior communicating arteries
- PCA termination in the cerebellum