CHT PRACTICE TEST EXAM
QUESTIONS AND ANSWERS
Peritoneal Dialysis differs from hemodialysis in which of the following? - Answer- PD
access is by an intra-abdomial catheter.
The main difference between an arteriovenous shunt (AVS) and an arteriovenous
fistula( AVF) is an: - Answer- AVF is entirely within the arm
Which of the following dialyzers is used currently ? - Answer- Hollow tube
Which of the kidney structures connects with and delivers urine directly to the ureter?
- Answer- Pelvis
The glomerular filtration rate(GFR) is an important index of renal function and in the
normal adult is approximately: - Answer- 125mL/min/1.73m2
All of the following substances are produced by Kidney except: - Answer-
Aldosterone
The most likely cause of post renal failure is: - Answer- Benign prostatic hypertrophy
The most common cause of chronic kidney disease in the United States is - Answer-
Diabetes
Which of the following conditions is least likely to cause uremia? - Answer- Urinary
tract infection
All of the following conditions are associated with chronic kidney failure except: -
Answer- Hypo parathyroidism
What percentage of transplanted kidneys are functional 1 year after transplantation?
- Answer- 90%
Which hemodialysis schedule is likely to be most efficient? - Answer- Short daily
home hemodialysis, 2-3 hours a session, 5-7 days a week
The fluid restriction for most patients undergoing in center hemodialysis is equal to
urine volume/ day plus - Answer- 1 liter
Failure to excrete beta2 - microglobulin in patients with kidney failure predisposes
the patient to: - Answer- Amyloidosis
Blood test for ferritin are performed in hemodialysis patients - Answer- To check for
iron stores
, Which of the following phosphate blinders would best control hyperphosphatemia
with the fewest side effects in patients with end stage kidney disease? - Answer-
Lanthanum carbonate
All of the following statements about vitamins in dialysis patients are true except -
Answer- Dialysis does not remove water-soluble vitamins
Osmosis is best define as: - Answer- Diffusion of solvent through a semipermeable
membrane from low-to high solute concentration
In hemodialysis blood and dialysate have which of the following properties? -
Answer- They flow in opposite directions
In the dialyzer, water may be removed from - Answer- The intravascular
compartment
Which site in the hemodialysis pathway has the highest positive pressure - Answer-
Blood entering the dialyzer fibers
The term" sieving coefficient of a membrane" refers to the: - Answer- Fraction of
solute that passes through the membrane by convection.
Water moves from one body compartment to another by - Answer- Osmotic forces
Biocompatibility is best illustrated by - Answer- Reprocessed dialyzers that have a
better biocompatibility than new ones
The amount of fluid to be taken from the patient during hemodialysis - Answer- May
be calculated by subtracting the patients estimated dry weight from the pre dialysis
weight and adding any fluid the patient receives during treatment.
The ultrafiltration coefficient of a dialyzer refers to the - Answer- Fluid that passes
through the membrane in 1 hour
The molecular weight cutoff of a dialyzer is 12,000 daltons. Which of the following
molecules would not pass through the membrane into the dialysate? - Answer-
Albumin
Clearance of low- molecular- weight molecules by dialysis is accomplished mostly by
- Answer- Diffusion
A hollow fiber dialyzer has which of the following properties? - Answer- Very fine
fiber tubes held in place by polyurethane material
Synthetic membranes have which of the following properties? - Answer- They have
thick fiber walls
If a dialyzer has a urea clearance rate (K) of 200 ml/min and a blood flow rate (Qb) of
200 ml/min, what volume of the blood will be cleared of urea in 1 minute? - Answer-
200mL
QUESTIONS AND ANSWERS
Peritoneal Dialysis differs from hemodialysis in which of the following? - Answer- PD
access is by an intra-abdomial catheter.
The main difference between an arteriovenous shunt (AVS) and an arteriovenous
fistula( AVF) is an: - Answer- AVF is entirely within the arm
Which of the following dialyzers is used currently ? - Answer- Hollow tube
Which of the kidney structures connects with and delivers urine directly to the ureter?
- Answer- Pelvis
The glomerular filtration rate(GFR) is an important index of renal function and in the
normal adult is approximately: - Answer- 125mL/min/1.73m2
All of the following substances are produced by Kidney except: - Answer-
Aldosterone
The most likely cause of post renal failure is: - Answer- Benign prostatic hypertrophy
The most common cause of chronic kidney disease in the United States is - Answer-
Diabetes
Which of the following conditions is least likely to cause uremia? - Answer- Urinary
tract infection
All of the following conditions are associated with chronic kidney failure except: -
Answer- Hypo parathyroidism
What percentage of transplanted kidneys are functional 1 year after transplantation?
- Answer- 90%
Which hemodialysis schedule is likely to be most efficient? - Answer- Short daily
home hemodialysis, 2-3 hours a session, 5-7 days a week
The fluid restriction for most patients undergoing in center hemodialysis is equal to
urine volume/ day plus - Answer- 1 liter
Failure to excrete beta2 - microglobulin in patients with kidney failure predisposes
the patient to: - Answer- Amyloidosis
Blood test for ferritin are performed in hemodialysis patients - Answer- To check for
iron stores
, Which of the following phosphate blinders would best control hyperphosphatemia
with the fewest side effects in patients with end stage kidney disease? - Answer-
Lanthanum carbonate
All of the following statements about vitamins in dialysis patients are true except -
Answer- Dialysis does not remove water-soluble vitamins
Osmosis is best define as: - Answer- Diffusion of solvent through a semipermeable
membrane from low-to high solute concentration
In hemodialysis blood and dialysate have which of the following properties? -
Answer- They flow in opposite directions
In the dialyzer, water may be removed from - Answer- The intravascular
compartment
Which site in the hemodialysis pathway has the highest positive pressure - Answer-
Blood entering the dialyzer fibers
The term" sieving coefficient of a membrane" refers to the: - Answer- Fraction of
solute that passes through the membrane by convection.
Water moves from one body compartment to another by - Answer- Osmotic forces
Biocompatibility is best illustrated by - Answer- Reprocessed dialyzers that have a
better biocompatibility than new ones
The amount of fluid to be taken from the patient during hemodialysis - Answer- May
be calculated by subtracting the patients estimated dry weight from the pre dialysis
weight and adding any fluid the patient receives during treatment.
The ultrafiltration coefficient of a dialyzer refers to the - Answer- Fluid that passes
through the membrane in 1 hour
The molecular weight cutoff of a dialyzer is 12,000 daltons. Which of the following
molecules would not pass through the membrane into the dialysate? - Answer-
Albumin
Clearance of low- molecular- weight molecules by dialysis is accomplished mostly by
- Answer- Diffusion
A hollow fiber dialyzer has which of the following properties? - Answer- Very fine
fiber tubes held in place by polyurethane material
Synthetic membranes have which of the following properties? - Answer- They have
thick fiber walls
If a dialyzer has a urea clearance rate (K) of 200 ml/min and a blood flow rate (Qb) of
200 ml/min, what volume of the blood will be cleared of urea in 1 minute? - Answer-
200mL
