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Nursing In a Flash 
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Question Answer
What is the preferred time period to wait after a peritoneal dialysis cathether is inserted before using it for dialysis?
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7 to 14 days in order to allow time for healing.
A patient may shower _______ weeks after a peritoneal dialysis catheter has been implanted.
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2 to 4 weeks, or until the insertion site is completely healed.
In _______ CRRT, a blood pump is used to force blood from the patient to the filter and ensures a consistent pressure.
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Venovenous CRRT
In _______ CRRT, the force of the patient's blood pressure is used to pump blood from an artery into the circuit and hemofiliter.
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Arteriovenous CRRT
What is the primary goal of slow continuous ultrafiltration (SCUF) CRRT?
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Fluid removal
This type of CRRT is used for those with cardiovascular disease and fluid overload resistant to diuretics, congestive heart failure or for those awaiting heart transplantation?
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Slow continuous ultrafiltration (SCUF)
How long does a CRRT session last?
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24 hours a day until renal functions return or until the patient can tolerate hemodialysis.
What types of molecules cannot pass through the semi-permeable membrane of CRRT?
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Large molecules like albumin, proteins, cells and protein bound drugs.
How long can it take for renal function to stabilize after acute renal failure?
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12 months
What complications can occur if a patient's blood pressure drops during arteriovenous CRRT?
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A decreased blood flow through the filter leads to decreased fluid and solute clearance. In addition, clotting of the hemofilter can occur.
When serum calcium is decreased, what hormone triggers the release of calcium from bone in order to compensate?
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Parathyroid Hormone
___________ causes of acute renal failure should be considered in patients with a history of dehydration, blood loss or severe heart disease. (Pre-renal/Intra-renal/Post-renal?)
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Prerenal
When immediate vascular access is needed for dialysis, what are the three most common veins utilized?
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Internal jugular, femoral or the subclavian. The subclavian is considered the last resort.
What type of renal failure is caused by hypovolemia? Prerenal, Intrarenal or Postrenal?
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Prerenal
What type of renal failure is caused by prolonged ischemia? Prerenal, Intrarenal or Postrenal?
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Prerenal
How is the appropriate amount of fluid intake calculated for a patient in the oliguric phase of acute renal failure?
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All of the losses during the last 24 hours from urine, diarrhea, emesis and blood are added together and 600 mL are added for insensible losses.
When should a patient with renal failure take their calcium supplements?
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Before meals, on an empty stomach
When should a patient with renal failure take their phosphate binders?
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With meals, or within 30 minutes of their meal, otherwise they will not work.
When should a patient with renal failure take their iron supplements?
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In between meals.
________ is the force that moves urea, creatinine, uric acid and electrolytes from the blood into dialysate during peritoneal dialysis.
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Diffusion (movement from areas of greater concentration to lesser concentration).
__________, provided by glucose, is the force that pulls excess fluid from the blood during peritoneal dialysis.
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Osmosis (movement from areas of lesser concentration to greater concentration).
Temporary catheters in the internal jugular or subclavian vein can be left in place for _______ week(s).
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1-3 weeks
Temporary catheters in the femoral vein can be left in place for _______ week(s).
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1 week
Elevations of serum levels of ______ and _______ is indicative of kidney failure.
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Urea nitrogen and creatinine
How is kidney failure staged?
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On the basis of glomerular filtration rate
Polystyrene sulfonate/Kayexalate should never be given to a patient with __________, even if their potassium levels are severely elevated.
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Paralytic ileus. If taken, the patient could suffer from bowel necrosis.
What findings in urine suggest a postrenal cause of acute renal failure?
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Hematuria, pyuria, and crystals.
For patients with renal failure, their energy should primarily come from ______ and _______ to prevent ketosis.
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Carbohydrates and protein
What is the ideal amount of daily protein intake for a patient with renal failure?
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30 to 35 kilocalories per kilogram of body weight.
What are the two best indicators of a patient's fluid volume status when they have acute renal failure?
Show Answer
Daily weights and close monitoring of the patient's intake and output.


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