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BONENT Certified-Hemodialysis-Technician-CHT - BONENT Certified Hemodialysis Technician CHT

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Total 106 questions

The patency of a subclavian catheter is usually maintained after dialysis by

A.

irrigating with normal saline (NS).

B.

filling the catheter with heparin.

C.

infusing the prescribed amount of tissue plasminogen activator (TPA).

D.

avoiding catheter use until the next dialysis.

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

Which of the following is the MOST effective means of preventing the spread of hepatitis B to noninfected patients in a dialysis unit?

A.

Minimizing the number of blood transfusions administered to patients

B.

Clearing visible blood off environmental surfaces

C.

Requiring staff members to wear a fresh pair of gloves for each patient contact

D.

Preferentially hiring staff members who are hepatitis B antibody positive

Systematic rotation of stock is necessary in order to

A.

provide easier access to supplies.

B.

provide the most efficient use of the storage area.

C.

prevent the use of expired stock.

D.

maintain adequate supply levels.

All of the following are potential problems associated with the use of bicarbonate dialysate EXCEPT

A.

increased risk of bacterial growth.

B.

precipitation of calcium and magnesium in the delivery system.

C.

dangerous electrolyte concentrations due to concentrate mix-ups.

D.

CO2 levels in the bicarbonate dialysate becoming dangerously high.

Reprocessed dialyzers may be disinfected in many ways, including chemical disinfection, heat disinfection, and others. When preparing dialyzers for patient use, which of the following is the proper procedure?

A.

Always follow procedures specific to disinfectant type

B.

Always fill the blood compartment before the dialysate compartment

C.

Always fill the dialysate compartment before the blood compartment

D.

Recirculate saline in the extracorporeal circuit before infusing it into the patent

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

It is important for members of the dialrysis staff to be aware that the heart muscle is affected mainly by

A.

abnormal serum potassium levels.

B.

excessive fluid gains.

C.

high creatinine levels.

D.

lengthy hypertensive episodes.

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

In the selection and placement of water treatment components for a home hemodialysis installation, a water softener is undesirable as the final purification method because softened water is high in bacterial count and

A.

sodium.

B.

resistivity.

C.

magnesium.

D.

iron.