BONENT BONENT Certifications CERTIFIED-HEMODIALYSIS-TECHNICIAN-CHT Questions & Answers

• Question 41:

  The venous pressure on the machine starts to rise; the needle is not infiltrated. Which one of the following could be a possible cause?

  A. The venous line is clotted.

  B. The blood pump speed is too slow.

  C. The venous needle is pointed in the wrong direction.

  D. There is an obstruction in the venous line at the dialyzer's venous port.

  Correct Answer: D

• Question 42:

  A system of water treatment that removes chloramines is called

  A. gross filtration.

  B. activated carbon.

  C. softening.

  D. reverse osmosis (RO).

  Correct Answer: B

• Question 43:

  For which of the following purposes is mannitol used?

  A. To decrease clotting

  B. To counteract heparin

  C. To support blood pressure osmotically

  D. To relieve symptoms of restlessness in the elderly

  Correct Answer: C

• Question 44:

  The FIRST step in the routine collection of a 24-hour urine specimen is to

  A. catheterize the patient.

  B. have the patient drink two glasses of water.

  C. perform a clean-catch when the bladder is full.

  D. have the patient empty the bladder prior to specimen collection.

  Correct Answer: C

• Question 45:

  The major cause associated with the failure of the arteriovenous (AV) graft is

  A. aneurysm.

  B. rejection.

  C. thrombosis.

  D. steal syndrome.

  Correct Answer: C

• Question 46:

  A reason dialysis patents are likely to develop infections is because they

  A. receive frequent invasive procedures.

  B. receive immunosuppressive therapies.

  C. are acutely sensitive to allergies.

  D. are on restricted diets.

  Correct Answer: A

• Question 47:

  If the venous pressure suddenly rises to 250 mm Hg while terminating the dialysis procedure, the technician should

  A. inject 1,000 units of heparin through an alternate access point.

  B. turn off the blood pump to check for tubing kinks.

  C. infuse 500 mL normal saline (NS) into the system.

  D. remove the venous needle immediately.

  Correct Answer: C

• Question 48:

  The reason temperature is monitored during dialysis a that

  A. high dialysate temperature can cause increased clotting of the extracorporeal circuit.

  B. under-heated dialysate can cause a form of chronic hemolysis.

  C. increased patient temperature can decrease dialyzer clearances.

  D. hemolysis and protein denaturation may occur at elevated dialysate temperatures.

  Correct Answer: D

• Question 49:

  A technician is supposed to administer a heparin bolus (loading dose) systemically to allow a response prior to blood/membrane interaction. The BEST way to accomplish this is to inject the heparin into the

  A. blood line arterial port as soon as blood reaches the port.

  B. blood line heparin port three to five minutes prior to initiating treatment.

  C. dialysis needle/catheter port three to five minutes prior to initiating dialysis.

  D. dialysis circuit during recirculation, then use the heparinized saline to prime the patient.

  Correct Answer: C

• Question 50:

  The PRIMARY criterion for selecting a continuing education program is the

  A. recommendation of a peer.

  B. content relevance to work.

  C. lecturer's recognition in the field.

  D. number of coworkers attending the program.

  Correct Answer: D