A patient has a lesion affecting the thalamus. Which function may be impaired because the thalamus normally acts as a major relay for sensory information?
Correct answer: A. Relaying sensory signals to the cerebral cortex
- A. Relaying sensory signals to the cerebral cortex
- B. Producing cerebrospinal fluid in the ventricles
- C. Maintaining balance through the semicircular canals
- D. Generating hormones from the adrenal medulla
Explanation
The thalamus relays and processes most sensory information before it reaches the cerebral cortex for conscious awareness. Cerebrospinal fluid is mainly produced by the choroid plexuses, while the other options describe different structures.
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About Nervous System and Special Senses
The nervous system covers neurons, neuroglia, nerve impulses, synapses, reflex arcs, and the organization of the central and peripheral nervous systems. It also explains the autonomic divisions and the receptors and pathways for vision, hearing, balance, taste and smell, distinguishing sensory reception from conscious perception.
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