CHBT Renal Physiology and Kidney Disease 3

Question 1

Which laboratory value is most commonly used to assess dialysis adequacy (Kt/V)?

Accepted Answer

Blood urea nitrogen (BUN)

Answer

Creatinine

Answer

Potassium

Answer

Bicarbonate

Question 2

What is the minimum recommended spKt/V per treatment for thrice-weekly hemodialysis per KDOQI guidelines?

Accepted Answer

1.2

Answer

0.8

Answer

1.0

Answer

1.4

Question 3

Hyperphosphatemia in ESRD patients is managed through dialysis AND:

Accepted Answer

Dietary phosphate restriction and phosphate binders

Answer

Potassium supplements

Answer

Increased sodium intake

Answer

ACE inhibitor therapy alone

Question 4

Intradialytic hypotension is most commonly caused by:

Accepted Answer

Excessive ultrafiltration rate exceeding plasma refill capacity

Answer

Too little anticoagulation

Answer

High dialysate bicarbonate

Answer

Oversized dialyzer surface area

Question 5

Which condition is described as calcification of blood vessels and soft tissues caused by an elevated calcium-phosphate product in ESRD?

Accepted Answer

Calciphylaxis

Answer

Amyloidosis

Answer

Beta-2 microglobulin deposition

Answer

Metastatic calcification

Question 6

The primary reason hemodialysis patients are restricted in dietary potassium intake is that:

Accepted Answer

The kidneys can no longer excrete potassium, causing dangerous accumulation between treatments

Answer

Dialysis machines cannot remove potassium

Answer

Potassium causes access site infections

Answer

High potassium decreases dialyzer efficiency