Nephrology for NEET-SS

Why this subject matters in the exam

Nephrology rewards integration. A single stem on a patient with oedema and falling urine output can test renal physiology, the interpretation of urine and blood tests, the histological pattern on biopsy, the immunological mechanism and the choice of treatment. The subject also overlaps with cardiology, endocrinology, rheumatology and critical care. Preparing from a general medicine textbook alone leaves the nephrology content too shallow for the level of the questions.

High-yield topics

• Renal physiology and applied basics: glomerular filtration and its measurement, tubular transport and the sites of action of diuretics, concentration and dilution of urine, renin–angiotensin–aldosterone system.
• Glomerular diseases: nephrotic and nephritic syndromes, minimal change disease, focal segmental glomerulosclerosis, membranous nephropathy, IgA nephropathy, membranoproliferative patterns, lupus nephritis, ANCA-associated vasculitis, anti-GBM disease, post-infectious glomerulonephritis and the role of kidney biopsy.
• Acute kidney injury: definitions and staging, prerenal, intrinsic and postrenal causes, acute tubular necrosis, acute interstitial nephritis, contrast and drug-induced injury, hepatorenal syndrome, cardiorenal syndrome and rhabdomyolysis.
• Chronic kidney disease: staging, progression and its modifiers, proteinuria control, mineral and bone disorder, anaemia of CKD, cardiovascular risk, nutrition and conservative kidney management.
• Electrolyte and acid-base disorders: hyponatraemia and hypernatraemia, hypokalaemia and hyperkalaemia, metabolic and respiratory acid-base disturbances, renal tubular acidosis, Bartter and Gitelman syndromes, and calcium and magnesium disorders.
• Dialysis: haemodialysis prescription, vascular access, peritoneal dialysis, continuous renal replacement therapy, dialysis adequacy and access-related complications.
• Renal transplantation: donor and recipient evaluation, HLA matching and crossmatch, induction and maintenance immunosuppression, rejection patterns, post-transplant infections and recurrent disease.
• Tubulointerstitial and cystic diseases: autosomal dominant and recessive polycystic kidney disease, Alport syndrome, analgesic nephropathy, tubulointerstitial nephritis and other inherited tubular disorders.
• Hypertension and renal vascular disease: renovascular hypertension, hypertensive nephrosclerosis, thrombotic microangiopathies and scleroderma renal crisis.
• Systemic disease and the kidney: diabetic kidney disease, amyloidosis, myeloma kidney, sickle cell nephropathy, and kidney involvement in infections such as HIV, hepatitis, malaria and leptospirosis.
• Pregnancy and the kidney: preeclampsia, pregnancy in CKD and in transplant recipients.
• Urinary tract infection, nephrolithiasis and obstructive uropathy, with imaging and renal pathology interpretation.

How to study this subject

Begin with renal physiology and acid-base, because many questions on electrolytes, tubular disorders and diuretics resolve from first principles. Then study by clinical problem rather than by chapter: proteinuria, haematuria, acute kidney injury, resistant hypertension and electrolyte derangements each serve as a frame that links causes, investigations and treatment. For every glomerular disease, build a consistent set of lines: the clinical presentation, the serological clues, the light, immunofluorescence and electron microscopy findings, the standard treatment and the common complication. Use a standard postgraduate nephrology textbook for depth and the current KDIGO guideline summaries for management. Practise reading urine reports, blood gases and biopsy descriptions yourself, and start solving questions from the first week, because the exam tests application under time pressure.

Revision strategy

Divide the syllabus into blocks, such as glomerular disease, acute kidney injury, chronic kidney disease and mineral disorders, electrolytes and acid-base, dialysis and transplantation, and assign each block a fixed revision day within a weekly cycle. Condense each block into your own one-page summaries of classifications, regimens and guideline thresholds, and revise only from those in the final weeks. Maintain an error log for every wrong question, noting whether the cause was a knowledge gap, a misread stem or a confusion between two options, and review it weekly. In the last month, attempt full-length mocks in exam conditions and review each paper in detail before moving on.

Preparation with PrepElephant

The PrepElephant app offers topic-wise question practice, a structured question bank and full-length exam-format mocks, with revision tools that keep your flagged questions and error-log concepts in rotation. Free topic pages condense individual conditions into exam-ready answers. The aim is steady, honest practice, not shortcuts.