CERTIFICATION EVALUATION EXAMS AND
PRACTICE QUESTIONS FULL SOLUTION
2026.
◍ What happens in diffusion? Answer: Solutes move through a
membrane from an area of higher concentration to a lower one
◍ Which of these best describe osmosis? Answer: water moving
through a membrane from a lower solute concentration to a higher
one
◍ What role does ultrafiltration play in dialysis? Answer: Removes
water from the patients blood
◍ Gradient is a Answer: difference
◍ Which of these substances might be included in a dialysate
prescription? Answer: bicarbonate, sodium, potassium
◍ what condition occurs due to dialysate that is too hot? Answer:
hemolysis
, ◍ Testing for sterilant levels in a hemodialysis machine prior to
patient use is positive for sterilant. This means the machine: Answer:
needs further rinsing
◍ In a dialysis machine, the proportioning system does what?
Answer: appropriately mix the dialysate concentrates with water
◍ Blood leak detectors are extremely sensitive and can determine:
Answer: serum potassium levels
◍ A conductivity alarm sounds during a hemodialysis treatment. The
technician should expect which of these events to have occurred?
Answer: Dialyzer was bypassed
◍ Although dialysate delivery systems have back-up monitoring
systems, it is critical that: Answer: all of the above
◍ Which of the following are ways to handle chemicals safely?
Answer: all of the above
◍ All are included in the dialysate delivery system monitors except:
Answer: UF control systems
◍ A measurement of ions or particles that carry an electrical charge
is known as: Answer: conductivity