Hyperkalemia is the elevation of which ion?

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Prepare for the VetSkill Level 3 Diploma VN02 – Diagnostic Principles Test. Engage with multiple-choice questions, hints, and explanations. Achieve your certification!

Multiple Choice

Hyperkalemia is the elevation of which ion?

Explanation:
Hyperkalemia means there is too much potassium in the blood. Potassium is the major intracellular positively charged ion, and the body keeps its outside-the-cells concentration low. When serum potassium rises, the resting membrane potential becomes less negative, which can alter excitability and slow or disrupt conduction, especially in the heart. The term hyperkalemia specifically refers to an elevated potassium level, not sodium, calcium, or magnesium.

Hyperkalemia means there is too much potassium in the blood. Potassium is the major intracellular positively charged ion, and the body keeps its outside-the-cells concentration low. When serum potassium rises, the resting membrane potential becomes less negative, which can alter excitability and slow or disrupt conduction, especially in the heart. The term hyperkalemia specifically refers to an elevated potassium level, not sodium, calcium, or magnesium.

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