Exam (elaborations)
CCHT QUESTIONS AND ANSWERS 2023
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Exam of 11 pages for the course CCHT at CCHT (CCHT)
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CCHTPeritoneal Dialysis (PD) differs from hemodialysis in which of the following ways? -
answer PD access is by an intra-abdominal 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 following kidney structures connects with and delivers urine directly to the
ureter? - answer pelvis
The glomerular filtration rate is an important index of renal function and in the normal
adult is approximately: - answer 125 ml/min/1.73 m2
All of the following substances are produced by the 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
Uremia may cause which of the following conditions? - answer Itching, edema
(swelling)of the extremities, anemia
All of the following conditions are associated with chronic kidney failure EXCEPT: -
answer hypoparathyroidism
What percentage of transplanted kidneys is 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 1L
Failure to excrete beta2- microglobulin in patients with kidney failure predisposes to: -
answer amyloidosis
, Blood tests for ferritin are performed in hemodialysis patients: - answer to check for
iron stores
Which of the following phosphate binders would best control hyperphosphatemia with
the fewest side effects in patients with end stage kidney disease/ - answer
lanthanum carbonate
Hemodialysis patients should be taught to: - answer 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: -
answer megadose fat-or- watersoluble vitamins should not be given.
Osmosis is best defined 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
What 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 patient's estimated dry weight from the predialysis
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 in to the dialysate? - answer
albumin
Clearance of low-molecular-weight molecules by dialysis is accomplished mostly by: -
answer diffusion
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