HCC II Fluid and Electrolyte Practice Test

Question: 1 / 400

Which electrolyte imbalance may lead to muscle weakness and cramps?

Hyperkalemia

Hypomagnesemia

Hypernatremia

Hypokalemia

Hypokalemia, or low potassium levels in the blood, is well-known for its association with muscle weakness and cramps. Potassium is crucial for normal muscle function, as it plays a pivotal role in the conduction of electrical impulses in muscle cells. When potassium levels drop, it can disrupt this electrical signaling, leading to a variety of neuromuscular symptoms, including weakness, cramping, and even paralysis in severe cases.

In particular, hypokalemia can cause the muscles to not contract effectively, which translates to the physical sensations of weakness and cramps often reported by patients. This is especially noticeable in skeletal muscles, which require adequate potassium to function optimally. Therefore, maintaining proper potassium levels is crucial for preventing these symptoms and ensuring overall muscle health.

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