To help the nervous system and brain develop.
The correct answer is "lateralization." This is from the concept of neural processes such as cognition, motor function, sensory function, etc. are more dominant at one side of the brain than the other. The corpus callosum is the structure that connects the left and right hemispheres of the brain.
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Rationale: Weakness, fatigue, lethargy, and anorexia are symptoms or hypokalemia. Because this client is taking potassium supplements to replace potassium lost during diuresis, the dosage may need to be adjusted to ensure adequate replacement.</span>