Final answer:
The nurse should expect the client's laboratory results to indicate a dietary deficiency of Potassium, as the symptoms of confusion, nausea, and abdominal cramping are often associated with low potassium levels in the body.
Step-by-step explanation:
The nurse should expect the client's laboratory results to indicate a dietary deficiency of Potassium, as the symptoms of confusion, nausea, and abdominal cramping are often associated with low potassium levels in the body. Potassium is an essential mineral that plays a crucial role in nerve function, muscle contraction, and maintaining fluid balance. A deficiency in potassium can lead to electrolyte imbalances and various symptoms.