DAVITA EXAM QUESTIONS WITH CORRECT
ANSWERS 2026-2027
Why is sodium balance important? - CORRECT ANSWER -controls blood pressure
Explain Ultrafiltration - CORRECT ANSWER -Fluid is pushed through a semipermeable membrane
Explain Convection - CORRECT ANSWER -
Solutes move with solution across the semipermeable membrane. (Current)
Explain Diffusion - CORRECT ANSWER -
particles moving from Higher concentration to lower concentration
Explain osmosis - CORRECT ANSWER -
Water moving from lower concentration to higher concentration.
What are the kidneys excretory functions? - CORRECT ANSWER -
Fluid balance, electrolyte balance, waste removal, acid/base balance
How do we replace normal excretory kidney functions - CORRECT ANSWER -dialysis
What is the function of the acid concentrate? - CORRECT ANSWER -
Balance electrolytes in the blood
What is the function of bicarbonate? (In dialysate solution and in patients blood stream) -
CORRECT ANSWER -● In the dialysate solution?
○ Helps the hemodialysis equipment clean the blood and balance acidity (BUFFER)
, ● When it diffuses into the patient's blood?
○ Bicarbonate is a chemical that acts as a buffer. It keeps the pH of blood from becoming too acidi
c or too basic.
What is potassium and what does it do in the body? - CORRECT ANSWER -
Mineral that controls nerve and muscle function. The heart beats at a normal rhythm because of
potassium. Potassium is also necessary for maintaining fluid and electrolyte balance and pH level
.
Where do blood levels need to be kept at for potassium to perform normal functions? (Blood cell
count) - CORRECT ANSWER -3.5 - 5.5 mEq/L
Signs and symptoms of hyperkalemia? - CORRECT ANSWER -
nausea, weakness, numbness, and slow pulse
Signs and symptoms of Hypokalemia? - CORRECT ANSWER -
Muscle weakness, cramping, and fatigue
What is the normal PH range in a PT? - CORRECT ANSWER -7.35-7.45
What are the kidneys endocrine functions? - CORRECT ANSWER -
renin production, erythropoietin production, and Calcitriol production(Calcium)/vitamin D activa
tion.
function of renin - CORRECT ANSWER -
enzyme that controls blood pressure, sodium, and potassium levels
ANSWERS 2026-2027
Why is sodium balance important? - CORRECT ANSWER -controls blood pressure
Explain Ultrafiltration - CORRECT ANSWER -Fluid is pushed through a semipermeable membrane
Explain Convection - CORRECT ANSWER -
Solutes move with solution across the semipermeable membrane. (Current)
Explain Diffusion - CORRECT ANSWER -
particles moving from Higher concentration to lower concentration
Explain osmosis - CORRECT ANSWER -
Water moving from lower concentration to higher concentration.
What are the kidneys excretory functions? - CORRECT ANSWER -
Fluid balance, electrolyte balance, waste removal, acid/base balance
How do we replace normal excretory kidney functions - CORRECT ANSWER -dialysis
What is the function of the acid concentrate? - CORRECT ANSWER -
Balance electrolytes in the blood
What is the function of bicarbonate? (In dialysate solution and in patients blood stream) -
CORRECT ANSWER -● In the dialysate solution?
○ Helps the hemodialysis equipment clean the blood and balance acidity (BUFFER)
, ● When it diffuses into the patient's blood?
○ Bicarbonate is a chemical that acts as a buffer. It keeps the pH of blood from becoming too acidi
c or too basic.
What is potassium and what does it do in the body? - CORRECT ANSWER -
Mineral that controls nerve and muscle function. The heart beats at a normal rhythm because of
potassium. Potassium is also necessary for maintaining fluid and electrolyte balance and pH level
.
Where do blood levels need to be kept at for potassium to perform normal functions? (Blood cell
count) - CORRECT ANSWER -3.5 - 5.5 mEq/L
Signs and symptoms of hyperkalemia? - CORRECT ANSWER -
nausea, weakness, numbness, and slow pulse
Signs and symptoms of Hypokalemia? - CORRECT ANSWER -
Muscle weakness, cramping, and fatigue
What is the normal PH range in a PT? - CORRECT ANSWER -7.35-7.45
What are the kidneys endocrine functions? - CORRECT ANSWER -
renin production, erythropoietin production, and Calcitriol production(Calcium)/vitamin D activa
tion.
function of renin - CORRECT ANSWER -
enzyme that controls blood pressure, sodium, and potassium levels
