Potassium Homeostasis — MCQs

A CKD patient develops serum K+ 7.2 mEq/L without ECG changes. Best initial management?

The body fluid compartments of a patient were measured, showing the following ion concentrations: - Sodium (Na): $10 \mathrm{mEq} / \mathrm{L}$ - Potassium (K): $140 \mathrm{mEq} / \mathrm{L}$ - Chloride (Cl): $15 \mathrm{mEq} / \mathrm{L}$ Based on these values, which fluid compartment is being described?

Which of the following is the primary mechanism that drives sodium reabsorption in the proximal tubule?

A patient has hyperaldosteronism. Which lab finding is expected?

All are examples of negative feedback except

Result of liquorice ingestion

Tetany in muscle occurs in spite of normal serum Ca2+ level. Which ion is responsible?

In Bartter's syndrome there is a defect in

On insulin administration, what change is expected in the extracellular fluid (ECF)?

In renal failure, what is the primary cause of metabolic acidosis?