Free Certified-Hemodialysis-Technician-CHT Practice Test Questions 2026

A reused dialyzer has been set up for a patient. The patient's name is written on the dialyzer, but there is no reprocessing sticker on the dialyzer. What should the technician do?

A. Run the patient on the dialyzer.

B. Return the dialyzer to the reprocessing staff to have a sticker added.

C. Set up another dialyzer for the patient.

D. Ask the patient if this is his dialyzer.

Training of staff involved in the reprocessing of hemodialyzers, per Association for the Advancement of Medical Instrumentation (AAMI) standards should include all of the following EXCEPT

A. microbiology with respect to aseptic technique, the collection of samples, and personal safety.

B. the consequences of not performing tasks properly.

C. how to speak with patients when getting dialyzer reuse consents signed.

D. the risks and hazards associated with multiple use of hemodialyzers.

A woman needs dialysis immediately. No test has been performed for antibodies to Acquired Immune Deficiency Syndrome (AIDS). Which of the following statements regarding Universal Precautions is INCORRECT?

A. Gloves should be worn during contact with blood, body fluid, tissue, or contaminated surfaces.

B. Masks and protective goggles should be worn if aerosolization can easily occur.

C. When gloves are worn during patient contact, handwashing is not necessary.

D. All patients blood specimens should be considered biohazardous.

What is the MOST common complication during hemodialysis?

A. Hypovolemia

B. Hypertension

C. Hypoglycemia

D. Hypotension

When evaluating complications potentially related to dialyzer reuse, which of the following principles must be considered?

A. Water with a level greater than 200 CFU gram-negative bacteria may have a high endotoxin level.

B. Endotoxin diffusion from backfiltration might occur with high-flux dialyzers.

C. Endotoxins may be killed by disinfectants used in dialyzer reuse.

D. Endotoxins are best removed by ultraviolet light.

Conductivity meters all function on the ability to

A. combine with the iodine electrode of the meter.

B. pass an electrical current through the dialysate.

C. deflect the needle due to increased viscosity of the fluid.

D. change color when titrated against nitric acid.

Water softeners, commonly used to demineralize water for home dialysis treatments, have the hidden disadvantage of providing an unwanted dietary source of

A. potassium

B. magnesium.

C. calcium.

D. sodium.

According to the Association for the Advancement of Medical Instrumentation (AAMI) standard, the endotoxin or Limulus Amebocyte Lysate (LAL) level shall. NOT exceed

A. 2 EU/mL.

B. 4 EU/mL.

C. 1 EU/mL.

D. 3 EU/mL.

Mechanical filtration of suspended particulate matter includes all of the following EXCEPT

A. carbon filters.

B. membrane filters.

C. cartridge filters.

D. sand and gravel filters

The dialysis technician has noticed that a maintenance man working around the unit has an open cut on his hand. The technician should

A. report the incident to maintenance.

B. review precautions regarding infections with the worker.

C. report the incident to the nurse.

D. require the worker to request assignment elsewhere.

Two and one-half hours into a hemodialysis treatment, a patient experiences a drop in his blood pressure. Winch of the following is the LEAST common cause of hypotension during dialysis?

A. Excessive fluid removal

B. An unstable cardiovascular system

C. Increased dietary intake of sodium

D. Taking antihypertensive medication shortly before dialysis

Ten patients who have been dialyzing from 1 to 1 1/2 hours suddenly begin to experience fever, itching puffy eyelids, nausea, and red blotchiness. The patients MOST likely are exhibiting signs of

A. hemolysis.

B. a drug reaction.

C. hypercalcemia.

D. a pyrogenic reaction.