. The causes of hyperkalaemia include all EXCEPT a) Sepsis b) Acute gastro-enteritis c) Burns d) Haemolysis 2. Pathophysiology of AKI a) Pre-renal renal failure can be attributed to an insult primarily affecting the nephrons b) Intrinsic renal failure occurs due to under perfusion of the kidneys . c) Ureteric calculi is a cause of pre-renal renal failure d) None of the above is correct 3. Hypo-albuminaemia is a sign of a) Nephrotic syndrome b) Nephritic syndrome c) Biventricular heart failure d) All of the above are correct 4. Hydronephrosis is a common feature in a) Pre-renal renal failure b) Intrinsic renal failure c) Post-renal failure d) Acute tubular necrosis . Concerning acute interstitial nephritis which statement is FALSE? a) Usually caused by an adverse drug reaction b) Characterized by small amounts of blood and protein in urine c) Prednisolone is a drug of choice d) Prompt relief of obstruction relieves renal symptoms 6. Concerning Chronic Kidney Disease (CKD), a) Its reversible once treatment is started early by The early features are abnormal biochemistries