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FRESENIUS CCHT EXAM REVIEW 2022
Actual Qs and Ans - Expert-Verified Explanation -Guaranteed passing score -64 Questions and Answers
-Format: Multiple-choice / Flashcard
Question 1: Dialysate that has too much calcium can cause
Answer:
vomiting, confusion, and irritability Question 2: Which of the following will increase the amount of solutes that will diffuse across the semipermeable membrane?
Answer:
high concentration gradients Question 3: Dialysate is the fluid that helps remove waste products from the body. It contains a number of substances. What substances might be prescribed for a dialysate solution?
Answer:
bicarbonate, sodium, potassium
Question 4: factors that affect peritoneal membrane permeability include
Answer:
peritonitis infection Question 5: A semipermeable membrane is a porous barrier that:
Answer:
allows for only certain sized particles to cross
Question 6: What is the most important safety monitor during a dialysis treatment?
Answer:
the dialysis technician
Question 7: . Dialysate that has too little sodium can cause
Answer:
low blood pressure, cramping, and bursting of red blood cells Question 8: According to AAMI standards, bacteriologic testing for water and dialysate should
take place:
Answer:
monthly Question 9: which of the following makes the arteriovenous fistula preferable as the vascular access of choice whenever possible?
Answer:
fistulae have the lowest rates of primary failure of all known accesses Question 10: . The components of the dialysate treatment that affect clearance include
Answer:
dialysate flow, time of treatment, dialyzer size, blood flow rate Question 11: Which of the following is the first symptom that a patient developing dialysis disequilibrium syndrome is most likely to exhibit?
Answer:
headache
Question 12: Seizures during dialysis may be caused by
Answer:
electrolyte imbalance, hypotension, and dialysate composition errors Question 13: your patient orders are for a 17 gauge needle. you know that:
Answer:
he will only be able to attain a 250 mL/min -300 mL/min QB
Question 14: If there is a decrease in the patient's URR or Kt/V, which of the following factors should be looked at?
Answer:
increased access recirculation, diminished dialyzer performance due to reprocessing, inadequate anticoagulation of the blood, blood pump speed Question 15: Stenosis is a major cause of access failure which, unless corrected, can lead to thrombosis and other complications. Which of the following are signs of stenosis?
Answer:
changes in the thrill and bruit
Question 16: Negative pressure is pressure created when
Answer:
fluid is pulled through a restriction
Question 17: addressing a patient as "sweetie",
Answer:
is inappropriate because it can make the patient feel dependent on you
Question 18: Normal body temperature taken orally is
Answer:
98.6°F
Question 19: the patient's access site has bleed for thirty minutes after needle removal for the last three treatments with no change in the heparin prescription. there has also been a steady increase in venous pressure during treatment; what might you suspect?
Answer:
venous stenosis
Question 20: infiltration
Answer:
needle tip that punctures a vessel and goes out the other side, allowing blood to seep into the surrounding tissue
Question 21: the only professional organization in the country just for dialysis technicians is
Answer:
The National Association of Nephrology Technicians
Question 22: The normal range for a resting pulse rate in an adult is
Answer:
60 to 100 beats/minute Question 23: Two things that affect the dialyzer's ability to remove wastes from the body include
Answer:
surface area and molecular weight cutoff Question 24: The endocrine functions of the kidney include:
Answer:
making erythropoietin and the active form of Vitamin D Question 25: The functional unit of the kidney, or the structure in the kidney that does the work,
is the:
Answer:
nephron Question 26: the buttonhole technique results in fewer infections, missed needle insertions,
hematomas and infiltrations. steps for creating the buttonhole include:
Answer:
remove the scab, cannulate the same site at the same angle, by the same caregiver with sharp needles for 3-4 weeks to create a tunnel Question 27: Which of the following situations will cause an increase in venous pressure during dialysis?
Answer:
venous needle infiltration Question 28: Dialyzer performance can be affected by reuse. Which of the following sets of potential problems may be related to reuse?
Answer:
reduced dialyzer performance, plugged hollow fibers, changed fiber bundle volume