CCHT TEST 2023 Questions and Answers (Verified
Answers)
Peritoneal Dialysis (PD) differs from hemodialysis in which of the following ways?
PD access is by an intra-abdominal catheter
The main difference between an arteriovenous shunt (AVS) and an arteriovenous
fistula (AVF) is an
AVF is entirely with in the arm:
Which of the following dialyzers is used currently?
Hollow tube
Which of the following kidney structures connnects with and delivers urine
directly to the ureter?
Pelvis
The glomerular filtration rate is an important index of renal function and in the
normal adult is approximately:
125 ml /min/1.73m2
All of the following substances are produced by the kidney except
Aldosterone
The most likely cause of post-renal failure is:
benign prostatic hypertrophy
The most common cause of chronic kidney disease in the United States is
Diabetes
Uremia May cause which of the following conditions?
Itching, Edema, Anemia
All of the following conditions are associated with chronic kidney failure EXCEPT
Hypoparathyroidsm
Which percentage of transplanted kidney is functional 1 year after
transplantation?
90%
Which hemodialysis schedule is likely to be the most efficient?
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
1 L.
Failure to excrete beta2-microglobulin in patients with kidney failure predisposes
to?
Amyloidosis
Blood Test for ferritin are performed In hemodialysis patients
To check for iron stores.
Which of the following phosphate binders would best control hyperphopharemia
with the fewest side effects in patients with end stage kidney disease?
Lanthanum carbonate
Hemodialysis patients should be taught to
Put in their own needles, weigh themselves and record it, check their dialyzer settings
and dialysate.
, All of the following statements about vitamins in dialysis patients are true
EXCEPT:
Dialysis does not remove water-soluble vitamins.
Osmosis is best defined as:
Diffusion of solvent through a semipermeable membrane from low-to high-solute
concentration.
In hemodialysis, blood and dialysate have which of the following properties?
They flow in opposite directions
In the dialyzer, water may be removed from:
intravascular compartment
Which site in the hemodialysis pathway had the highest positive pressure?
Blood entering the dialyzer fibers
The term "sieving coefficient of a membrane" refers to ___
The fraction of solute that passes through the membrane by convection
Water moves from one body compartment to another by __
Osmosis forces
Biocompatibility is best illustrated by ___
Reprocessed dialyzers that have a better biocompatibility than new ones.
The amount of fluid to be taken from the patient during hemodialysis...
May be calculated by subtracting the estimated dry weight from the predialysis weight
and adding any fluid received during treatment.
The ultrafiltration coefficient of a dialyzer refers to the...
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?
albumin
Clearance of low-molecular-weight molecules by dialysis is accomplished mostly
by ___
diffusion
A hollow fiber dialyzer has which of the following properties?
Very fine fiber tubes held in place by polyurethane material
Synthetic membranes have which of the following properties?
They have thick fiber walls
If a dialyzer has a urea clearance rate (K) of 200 ml per min and a blood flow rate
(QB) of 300 mL/min, what volume of the blood will be cleared of urea in 1 minute?
200 mL
To determine the most accurate clearance rate of a particular solute, one should:
measure the solute concentrations of blood going into and out of the dialyzer
All of the following substances are added to the dialysate EXCEPT:
phosphate
Sodium modeling refers to:
changing the concentration of the dialysate sodium during the course of dialysis
Conductivity is best defined as:
a method of checking electrolyte levels in the dialysate.
Which of the following statements about the proportioning system is correct?
It relies on a continuous supply of fresh concentrate and treated water.
Answers)
Peritoneal Dialysis (PD) differs from hemodialysis in which of the following ways?
PD access is by an intra-abdominal catheter
The main difference between an arteriovenous shunt (AVS) and an arteriovenous
fistula (AVF) is an
AVF is entirely with in the arm:
Which of the following dialyzers is used currently?
Hollow tube
Which of the following kidney structures connnects with and delivers urine
directly to the ureter?
Pelvis
The glomerular filtration rate is an important index of renal function and in the
normal adult is approximately:
125 ml /min/1.73m2
All of the following substances are produced by the kidney except
Aldosterone
The most likely cause of post-renal failure is:
benign prostatic hypertrophy
The most common cause of chronic kidney disease in the United States is
Diabetes
Uremia May cause which of the following conditions?
Itching, Edema, Anemia
All of the following conditions are associated with chronic kidney failure EXCEPT
Hypoparathyroidsm
Which percentage of transplanted kidney is functional 1 year after
transplantation?
90%
Which hemodialysis schedule is likely to be the most efficient?
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
1 L.
Failure to excrete beta2-microglobulin in patients with kidney failure predisposes
to?
Amyloidosis
Blood Test for ferritin are performed In hemodialysis patients
To check for iron stores.
Which of the following phosphate binders would best control hyperphopharemia
with the fewest side effects in patients with end stage kidney disease?
Lanthanum carbonate
Hemodialysis patients should be taught to
Put in their own needles, weigh themselves and record it, check their dialyzer settings
and dialysate.
, All of the following statements about vitamins in dialysis patients are true
EXCEPT:
Dialysis does not remove water-soluble vitamins.
Osmosis is best defined as:
Diffusion of solvent through a semipermeable membrane from low-to high-solute
concentration.
In hemodialysis, blood and dialysate have which of the following properties?
They flow in opposite directions
In the dialyzer, water may be removed from:
intravascular compartment
Which site in the hemodialysis pathway had the highest positive pressure?
Blood entering the dialyzer fibers
The term "sieving coefficient of a membrane" refers to ___
The fraction of solute that passes through the membrane by convection
Water moves from one body compartment to another by __
Osmosis forces
Biocompatibility is best illustrated by ___
Reprocessed dialyzers that have a better biocompatibility than new ones.
The amount of fluid to be taken from the patient during hemodialysis...
May be calculated by subtracting the estimated dry weight from the predialysis weight
and adding any fluid received during treatment.
The ultrafiltration coefficient of a dialyzer refers to the...
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?
albumin
Clearance of low-molecular-weight molecules by dialysis is accomplished mostly
by ___
diffusion
A hollow fiber dialyzer has which of the following properties?
Very fine fiber tubes held in place by polyurethane material
Synthetic membranes have which of the following properties?
They have thick fiber walls
If a dialyzer has a urea clearance rate (K) of 200 ml per min and a blood flow rate
(QB) of 300 mL/min, what volume of the blood will be cleared of urea in 1 minute?
200 mL
To determine the most accurate clearance rate of a particular solute, one should:
measure the solute concentrations of blood going into and out of the dialyzer
All of the following substances are added to the dialysate EXCEPT:
phosphate
Sodium modeling refers to:
changing the concentration of the dialysate sodium during the course of dialysis
Conductivity is best defined as:
a method of checking electrolyte levels in the dialysate.
Which of the following statements about the proportioning system is correct?
It relies on a continuous supply of fresh concentrate and treated water.
