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

• Question 51:

  The surface of dialysis equipment should be disinfected with a bleach solution of what ratio of bleach to water concentration?

  A. 1:10

  B. 1:100

  C. 1:200 D. 1:500

  Correct Answer: B

• Question 52:

  During morning report, the dialysis technician learns that one of the dialysis patients has been hospitalized due to exsanguination. The technician understands the seriousness of this situation because exsanguination is defined as

  A. a dangerously high potassium related to a blood transfusion.

  B. hemoglobin does not have enough oxygen resulting in anemia.

  C. a dangerously low potassium resulting from hemolysis.

  D. a blood loss greater than 300 mL.

  Correct Answer: A

• Question 53:

  According to Association for the Advancement of Medical Instrumentation (AAMI) recommendations, how often should the conductivity, pH, and dialysate temperature be checked?

  A. Prior to each shift of dialysis treatment

  B. Every morning of dialysis

  C. Every hour of dialysis

  D. At the end of every treatment

  Correct Answer: A

• Question 54:

  With regard to the evaluation of a new piece of dialysis equipment, the LEAST helplul resource is the

  A. Food and Drug Administration (FDA) Good Manufacturing Practices Act.

  B. hospital's biomedical department.

  C. unit's technical support group.

  D. manufacturer of the equipment.

  Correct Answer: B

• Question 55:

  A patient presents for treatment and complains of muscle weakness. The technician should suspect which of the following?

  A. Acidosis

  B. Pericarditis

  C. Hyperkalemia

  D. Dialysis disequilibrium

  Correct Answer: C

• Question 56:

  When a patient presents with shortness of breath predialysis, which of the following is the FIRST action that should be taken?

  A. Check the patient's blood pressure and weight

  B. Change to a larger kidney

  C. Check for edema

  D. Implement dialysis immediately

  Correct Answer: A

• Question 57:

  The MOST common cause of hypotension during hemodialysis is the removal of sodium and water from the

  A. intracellular space by osmosis.

  B. intravascular space by diffusion.

  C. intravascular space by ultrafiltration (UF).

  D. intracellular space by UF.

  Correct Answer: C

• Question 58:

  The rate of which excess fluid can be removed asymptomatically in a particular patient depends on

  A. degree of cardiac stability and overhydration status of the patient.

  B. the vasodilating eflect of the dialysate bath.

  C. the solute concentration of the blood.

  D. the transmembrane pressure (TMP) gradient.

  Correct Answer: A

• Question 59:

  When the air detector alarm sounds, it should simultaneously perform which of the following functions?

  A. Give an auditory alarm, reduce the venous Iine pressure, and stop the blood pump

  B. Bypass the dialyzer, clamp die venous line, and give auditory and visual alarms

  C. Turn the dialysate into the bypass mode, stop the blood pump, and give a visual alarm

  D. Clamp the venous line, give auditory and visual alarms, and stop the blood pump

  Correct Answer: D

• Question 60:

  A key factor associated with the recently increased incidence of tuberculosis is which of the following?

  A. Increased number of smokers

  B. Increased crowding in urban areas

  C. More thorough screening of the population

  D. Reduced immunity in the Human Immunodeficiency Virus (HIV)-positive population

  Correct Answer: A