Beginner Primary Somatosensory Cortex Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. Where is the primary somatosensory cortex located?
- Cingulate gyrus
- Superior temporal gyrus
- Precentral gyrus
- Postcentral gyrus
Q2. Which Brodmann areas make up the primary somatosensory cortex?
- Brodmann areas 3, 1, and 2
- Brodmann areas 44 and 45
- Brodmann area 4 only
- Brodmann areas 17 and 18
Q3. Which sulcus forms the anterior boundary of the postcentral gyrus?
- Collateral sulcus
- Calcarine sulcus
- Central sulcus
- Parieto-occipital sulcus
Q4. Which cerebral lobe contains the primary somatosensory cortex?
- Temporal lobe
- Parietal lobe
- Frontal lobe
- Occipital lobe
Q5. What type of information is primarily processed by the primary somatosensory cortex?
- Somatic sensory information
- Primary visual information
- Voluntary motor commands
- Primary auditory information
Q6. How is the body represented across the primary somatosensory cortex?
- Randomly
- Only by spinal segment number
- Alphabetically
- Somatotopically
Q7. Which side of the body is predominantly represented in one cerebral primary somatosensory cortex?
- Ipsilateral side only
- Neither side
- Contralateral side
- Both sides equally in every region
Q8. Where is the lower limb represented in the primary somatosensory cortex?
- Medial surface near the paracentral lobule
- Occipital pole
- Inferior frontal gyrus
- Lateral temporal pole
Q9. Where is the face represented in the primary somatosensory cortex?
- Occipital cortex
- Anterior cingulate cortex
- Medial paracentral lobule
- Inferolateral postcentral gyrus
Q10. What does the sensory homunculus illustrate?
- The arterial circle at the brain base
- The organization of cranial nerve nuclei
- Cortical representation of different body regions
- The motor nuclei of the basal ganglia