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Which of the following are *goals* of dialysis? Select all that apply.
A. remove creatinine and urea
B. maintain a safe concentration of electrolytes, especially potassium
C. correct alkalosis and replenish the blood bicarbonate buffer system
D. increase fluid in the blood - 🧠 ANSWER ✔✔A and B
dialysis corrects *acidosis* and removes *excess* fluid from the blood (kidneys
are not able to excrete optimal amounts of urine, so patients on dialysis will likely
have very little/no urine output)
Which of the following is *not true* about dialysis?
,A. without dialysis, patients require an in and out catheter every 24 hours
B. hemodialysis cannot be done at home; peritoneal dialysis can
C. if a patient is receiving dialysis 3 times a week, they likely only need an in and
out catheter every few days
D. may be used to treat drug overdoses - 🧠 ANSWER ✔✔A
without dialysis, patients require an in and out catheter every ~8 hours
You are a community nurse working with a patient who does peritoneal dialysis at
home. Today, you have a student shadowing you. Which of the following
statements by the student requires further teaching?
A. "glucose is added to the dialysate to create an osmotic gradient so excess fluid is
pulled from the blood"
B. "sterile dialysate is instilled into the peritoneal cavity to allow for substance
exchange"
C. "dwell time for substance exchange is 4 hours"
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,D. "the three processes that occur during dwell time are diffusion, osmosis, and
ultrafiltration" - 🧠 ANSWER ✔✔C
dwell time is prescribed based on the patients goals
You are working in the community with a student. Which of the following
statements by the student about peritoneal dialysis requires further teaching?
A. "the catheter won't be sealed for one to two weeks after insertion"
B. "exit site care should be done using antibacterial soap, or mild disinfectant, and
patients should always assess for signs of infection"
C. "two to four weeks after the catheter is implanted, the exit site should be clean,
dry and have no redness or tenderness"
D. "patients should perform exit site care once a week" - 🧠 ANSWER ✔✔D
exit site care should be done daily or every second day
Which of the following is *false* about dialysis solutions and cycles?
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, A. ultrafiltration often involves dextrose and increases the risk of
hypertriglyceridemia and hyperglycemia
B. the drain phase takes 1-2 hours
C. dwell times can range from minutes to hours depending on the patients goals
D. during the inflow phase, a prescribed amount of solution is infused through a
catheter by gravity over ~10 minutes - 🧠 ANSWER ✔✔B
the drain phase takes 15-30 minutes
You are a clinical instructor and a student is asking about *continuous ambulatory
peritoneal dialysis*. Which of the following statements requires further teaching?
A. "patients should have at least 4 exchanges a day"
B. "after draining dialysate, patients should wait at least 30 minutes before infusing
a new bag"
C. "dwell times average about 4 hours"
D. "maintaining aseptic technique will help to prevent peritonitis" - 🧠 ANSWER
✔✔B
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