Which lobe of the cerebellum is involved in maintaining equilibrium and controlling eye movements?
- A) Anterior lobe
- B) Posterior lobe
- C) Flocculonodular lobe
- D) Vermis
- Answer: C) Flocculonodular lobe
The cerebellar cortex is divided into three zones. Which zone lies lateral to the vermis?
- A) Vermis
- B) Intermediate zone
- C) Lateral hemispheres
- D) Spinocerebellum
- Answer: C) Lateral hemispheres
Which artery supplies the superior part of the cerebellum, including the vermis and adjacent hemispheres?
- A) Anterior Inferior Cerebellar Artery (AICA)
- B) Posterior Inferior Cerebellar Artery (PICA)
- C) Superior Cerebellar Artery (SCA)
- D) Middle Cerebellar Peduncle (MCP)
- Answer: C) Superior Cerebellar Artery (SCA)
The lateral sulcus (Sylvian fissure) separates which lobes from the temporal lobe?
- A) Frontal and parietal lobes
- B) Parietal and occipital lobes
- C) Temporal and occipital lobes
- D) Frontal and temporal lobes
- Answer: D) Frontal and temporal lobes
Which sulcus marks the boundary between sensory processing (parietal lobe) and visual processing (occipital lobe)?
- A) Central sulcus
- B) Lateral sulcus
- C) Collateral sulcus
- D) Parieto-occipital sulcus
- Answer: D) Parieto-occipital sulcus
What is the primary function of the central sulcus (Fissure of Rolando)?
- A) Language comprehension
- B) Motor coordination
- C) Sensory processing
- D) Memory formation
- Answer: B) Motor coordination
Which cerebellar nucleus receives input from Purkinje cells and projects efferent fibers to brainstem and thalamic nuclei?
- A) Fastigial nucleus
- B) Globose nucleus
- C) Emboliform nucleus
- D) Dentate nucleus
- Answer: D) Dentate nucleus
Which vein drains blood from the upper surface of the cerebellum?
- A) Superior cerebellar vein
- B) Inferior cerebellar vein
- C) Great cerebral vein
- D) Straight sinus
- Answer: A) Superior cerebellar vein
What clinical condition can occur due to cerebral venous sinus thrombosis (CVST)?
- A) Cerebellar ataxia
- B) Intention tremor
- C) Nystagmus
- D) Venous infarction
- Answer: D) Venous infarction
Which sulcus separates the fusiform gyrus (face recognition) and the hippocampal gyrus (memory formation)?
- A) Central sulcus
- B) Lateral sulcus
- C) Collateral sulcus
- D) Parieto-occipital sulcus
- Answer: C) Collateral sulcus
Which cerebellar lobe is involved in motor planning, timing, and precision?
- A) Anterior lobe
- B) Posterior lobe
- C) Flocculonodular lobe
- D) Vermis
- Answer: B) Posterior lobe
The cerebellar peduncle connecting the cerebellum to the midbrain is called:
- A) Superior Cerebellar Peduncle (SCP)
- B) Middle Cerebellar Peduncle (MCP)
- C) Inferior Cerebellar Peduncle (ICP)
- D) Pontine Cerebellar Peduncle
- Answer: A) Superior Cerebellar Peduncle (SCP)
Which sulcus separates the parietal and frontal lobes?
- A) Central sulcus
- B) Lateral sulcus
- C) Collateral sulcus
- D) Parieto-occipital sulcus
- Answer: A) Central sulcus
The cerebellar cortex is divided into three zones. Which zone lies along the midline and connects the two hemispheres?
- A) Vermis
- B) Intermediate zone
- C) Lateral hemispheres
- D) Spinocerebellum
- Answer: A) Vermis
Which artery supplies the anterior and inferior parts of the cerebellum, including the flocculonodular lobe?
- A) Anterior Inferior Cerebellar Artery (AICA)
- B) Posterior Inferior Cerebellar Artery (PICA)
- C) Superior Cerebellar Artery (SCA)
- D) Middle Cerebellar Peduncle (MCP)
- Answer: A) Anterior Inferior Cerebellar Artery (AICA)
Which sulcus separates the fusiform gyrus (face recognition) and the parahippocampal gyrus (memory processing)?
- A) Central sulcus
- B) Lateral sulcus
- C) Collateral sulcus
- D) Parieto-occipital sulcus
- Answer: C) Collateral sulcus
Which cerebellar nucleus is involved in maintaining posture and muscle tone?
- A) Fastigial nucleus
- B) Globose nucleus
- C) Emboliform nucleus
- D) Dentate nucleus
- Answer: A) Fastigial nucleus
Which vein drains blood from the lower surface of the cerebellum?
- A) Superior cerebellar vein
- B) Inferior cerebellar vein
- C) Great cerebral vein
- D) Straight sinus
- Answer: B) Inferior cerebellar vein
What clinical feature is associated with cerebellar ataxia?
- A) Uncoordinated movements
- B) Intention tremor
- C) Nystagmus
- D) Dysarthria
- Answer: A) Uncoordinated movement
- 20. Which sulcus separates the parietal lobe from the occipital lobe?
- A) Central sulcus
- B) Lateral sulcus
- C) Collateral sulcus
- D) Parieto-occipital sulcus
- Answer: D) Parieto-occipital sulcus
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