Q: Where do most sensory nuclei of the thalamus send their projections?  

Answer: A

The thalamus is a large mass of gray matter located in the brain that plays a crucial role in relaying sensory and motor signals to the cerebral cortex. Most sensory nuclei of the thalamus send their projections to the cortex. The cortex is responsible for the processing of sensory information, such as touch, vision, and hearing. The thalamus acts as a relay center for sensory information, sending it to the appropriate part of the cortex for processing. In addition to sensory information, the thalamus also processes motor information and sends it to the motor cortex for execution of movement. Thus, the thalamus plays a crucial role in the integration of sensory and motor information in the brain.

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