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10 Questions

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Glomerular Filtration Rate (GFR) Tests

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Questions and Answers

What is the recommended way to report eGFR results below 60 mL/min?

Report as a categorization (e.g. 'mild' or 'severe' kidney disease)

Report as a percentage of normal GFR

Report with numerical values (e.g. 59 mL/min) (correct)

Report as a range (e.g. 50-59 mL/min)

What is the molecular weight of cystatin C?

13359 (correct)

30000

20000

10000

What happens to cystatin C in the glomerulus?

It is produced

It is reabsorbed

It is filtered readily (correct)

It is secreted

According to KDIGO stages, what is the eGFR range for Stage 3 chronic kidney disease?

45-59 mL/min/1.73m Signup and view all the answers

What is the primary advantage of using cystatin C to measure GFR?

It is less affected by muscle mass Signup and view all the answers

What is the eGFR range for end-stage renal disease?

Less than 15 mL/min/1.73m Signup and view all the answers

What is the role of renal tubular cells in cystatin C processing?

They reabsorb and break down cystatin C Signup and view all the answers

Which KDIGO stage has an eGFR greater than 90 mL/min/1.73m?

Stage 1 Signup and view all the answers

Why is cystatin C a useful marker of GFR?

It is filtered by the glomerulus and reabsorbed by the tubules Signup and view all the answers

What is the recommended formula to use when serum creatinine methods do not compare to the IDSM standard?

The formula recommended in the Historical Note Signup and view all the answers