Fluid & Electrolytes quiz
Sodium, potassium, calcium and magnesium — what moves them, what that does to a patient, and how the body compensates.
Fluid & Electrolytes — common questions
- Why is this topic so heavily tested?
- Because almost every other subject touches it. Medications shift electrolytes, kidney and heart problems shift them, and so do fluids and diet. A question that looks like it is about something else often turns on an electrolyte underneath.
- How do I keep hyper- and hypo- states straight?
- Reason from what the electrolyte does rather than memorising two lists of symptoms. Once you know the role potassium plays in muscle and cardiac conduction, the signs of too much and too little follow from it, and you can rebuild them under pressure instead of recalling them.
- What trips people up most here?
- Compensation. The body corrects imbalances, so the value you are shown may already be a response to the real problem rather than the problem itself. Ask what the body is trying to fix before deciding what to do.