CHT PRACTICE TEST EXAM QUESTIONS

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CHT PRACTICE TEST EXAM QUESTIONS

Actual Qs and Ans - Expert-Verified Explanation -Guaranteed passing score -79 Questions and Answers

-Format: Multiple-choice / Flashcard

Question 1: Common sites of stenosis in patients with an arteriovenous fistula include all

the following EXCEPT:

Answer:

the artery next to the anastomosis Question 2: Which of the following statements about the proportioning system is correct?

Answer:

It relies on a continuous supply of fresh concentrate and treated water.Question 3: All of the following conditions are associated with chronic kidney failure except:

Answer:

Hypo parathyroidism Question 4: To determine the most accurate clearance rate of a particular solute, one should:

Answer:

Measure the solute concentrations of blood going into and out of the dialyzer.Question 5: Which of the kidney structures connects with and delivers urine directly to the ureter?

Answer:

Pelvis

Question 6: Which of the following statements about grafts used for arteriovenous shunts for dialysis patients is correct?

Answer:

They can be made collagen or expanded polytetrafluoroethylene Question 7: Which of the following arteries is most commonly used for an arteriovenous fistula?

Answer:

Radial artery

Question 8: Dialysate pH is kept in which of the following ranges?

Answer:

7.0-7.4

Question 9: To prevent infection in catheters, hemodialysis technicians should be sure to:

Answer:

wash hands and use sterile gloves, wear a mask, and ask the patient to wear a mask as well, remove wet dressing, dry around the site, and replace with fresh dressing Question 10: Dialysis machine control the rate of fluid removal by:

Answer:

Either volume or flow control.Question 11: Using the buttonhole technique for blood access, the technician should:

Answer:

use a sharp following by a blunt need Question 12: Which of the following phosphate blinders would best control hyperphosphatemia with the fewest side effects in patients with end stage kidney disease?

Answer:

Lanthanum carbonate Question 13: Peritoneal Dialysis differs from hemodialysis in which of the following?

Answer:

PD access is by an intra-abdomial catheter.

Question 14: The glomerular filtration rate(GFR) is an important index of renal function and in

the normal adult is approximately:

Answer:

125mL/min/1.73m2

Question 15: A hollow fiber dialyzer has which of the following properties?

Answer:

Very fine fiber tubes held in place by polyurethane material Question 16: An antiseptic that kills bacteria when wet is:

Answer:

70% alcohol Question 17: Drip chambers in the extracorporeal circulation do all the following EXCEPT:

Answer:

Pump blood into the dialyzer Question 18: When placing a needle into a graft, a hemodialysis technician may do which of the following?

Answer:

use three sides to cannulate the graft, not just the top Question 19: Osmosis is best define as:

Answer:

Diffusion of solvent through a semipermeable membrane from low-to high solute concentration Question 20: A disadvantage of high-flux dialysis is:

Answer:

Pyrogen reactions are common Question 21: Which of the following statements about sorbent dialysis is correct?

Answer:

In preparing the dialysate, 6 liters of water are added to premixed chemicals

Question 22: Synthetic membranes have which of the following properties?

Answer:

They have thick fiber walls Question 23: Which of the following statements about arteriovenous grafts is correct:

Answer:

They are more prone to thrombosis than arteriovenous fistulae Question 24: A thrombosis is LEAST likely to develop with which of the following vascular access methods?

Answer:

An arteriovenous fistula Question 25: 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?

Answer:

Albumin

Question 26: Water moves from one body compartment to another by

Answer:

Osmotic forces Question 27: When the low-pressure alarm rings, signaling inadequate flow, the technician

should be sure to:

Answer:

flush the catheter with saline Question 28: The term" sieving coefficient of a membrane" refers to the:

Answer:

Fraction of solute that passes through the membrane by convection.Question 29: Which of the following statements about transducer protectors is correct

Answer:

They use hydrophobic membranes to keep fluid from passing through