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Chapter 26. Chronic and End-Stage Renal Disease

Student Questions

BR is a 53-year-old Caucasian male with the following laboratory values: BUN 36 mg/dL (12.9 mmol/L urea); SCr 2.9 mg/dL (256 μmol/L), which is unchanged from previous value 6 months ago. How would you classify his CKD?

A. CKD G3a

B. CKD G3b

C. CKD G4

D. CKD G5

Answer: C

Options A and B: Incorrect. The stage of CKD is determined by calculating the eGFR. For this patient, eGFR is 24 mL/min/1.73 m2 (based on CKD-EPI equation) or 23 mL/min/1.73 m2 (based on MDRD equation), which does not correspond to CKD G3a or CKD G3b.

Option C: Correct. The stage of CKD is determined by calculating the eGFR. For this patient, eGFR is 24 mL/min/1.73 m2 (based on CKD-EPI equation) or 23 mL/min/1.73 m2 (based on MDRD equation), which corresponds to CKD G4.

Option D: Incorrect. The stage of CKD is determined by calculating the eGFR. For this patient, eGFR is 24 mL/min/1.73 m2 (based on CKD-EPI equation) or 23 mL/min/1.73 m2 (based on MDRD equation), which does not correspond to CKD G5.

Which of the following would not hasten the progression of chronic kidney disease (CKD) to end-stage kidney disease (ESKD)?

A. High blood pressure

B. Hyperglycemia

C. Low birth weight

D. Proteinuria

Answer: C

Option A: Incorrect. High blood pressure will hasten progression of CKD.

Option B: Incorrect. Hyperglycemia will hasten progression of CKD.

Option C: Correct. Low birth weight is a risk factor for CKD, but does not hasten progression of CKD.

Option D: Incorrect. Proteinuria will hasten progression of CKD.

PG is a 62-year-old Caucasian male with CKD. He has a history of hypertension and diabetes. He smokes 1.5 packs per day of cigarettes. All of the following are risk factors for CKD except:

A. Diabetes

B. Caucasian ethnicity

C. Hypertension

D. Tobacco smoking

Answer: B

Option A: Incorrect. Diabetes is a risk factor for CKD.

Option B: Correct. Caucasian ethnicity is not a risk factor for CKD.

Option ...

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