Which one of the following stages of chronic kidney disease corresponds to a glomerular filtration rate of 55 mL/min/1.73 m2?
3A
By the KDIGO CKD staging classification, GFR of 45-59 mL/min/1.73 m2 corresponds to Stage 3A (mild-to-moderate reduction). A GFR of 55 falls within this range, so the correct stage is 3A.
A 42-year-old male with chronic kidney disease undergoing chronic dialysis presents with worsening breathlessness. Examination reveals muffled heart sounds. Chest X-ray image is shown below (enlarged, globular cardiac silhouette). What is the most likely diagnosis of this patient?

In multiple myeloma, monoclonal immunoglobulin light chains combine with Tamm-Horsfall protein precipitate in the renal tubules which leads to the development of which one of the following conditions?
Multiple myeloma can cause proximal tubular injury due to light chain deposition in the tubular epithelium causing acquired Fanconi Syndrome. Which of the following are characteristic findings in this condition?
1. Little/no proteinuria
2. Aminoaciduria
3. Phosphaturia
4. Glycosuria
Select the correct answer using the code given below:
Which one of the following is a contraindication of Renal Biopsy?
Which one of the following hereditary tubulo-interstitial kidney diseases shows Autosomal Recessive pattern of inheritance?