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Module 4: Hemodialysis Devices Self-Test Sample Questions

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* 1. How many compartments does a dialyzer contain?

Thousands and thousands

Two: Red and blue

Two: Blood and dialysate

Two: Blood in and blood out

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* 2. How can you tell if a dialyzer has a synthetic membrane?

The potting material smells like vinegar when you remove an end cap

There is a red warning label on the cylinder if a membrane is synthetic

The name of the membrane material on the label contains “poly”

Look at the price tag—synthetic membranes are much more costly

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* 3. Where in the extracorporeal circuit are you most likely to find a saline infusion line?

Just after the dialyzer

Just before the dialyzer

Just after the blood pump

Just before the blood pump

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* 4. In dialysis, another word for flux is:

Fact

Fall

Flow

Feed

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* 5. Dialysate enters a dialyzer through the _ and exits through the _.

Top, bottom

Left, right

Bottom, top

Right, left

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* 6. In dialysis, how does a Biomedical Technician differ from a Patient Care Technician?

The Biomedical Technician is not a member of the care team

Doing biomedical tasks requires an advanced college degree

Biomedical Technicians work alone and do not report to anyone

Biomedical Technicians work with machines, not with patients

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* 7. How do dialyzers compare to normal, healthy kidneys?

Dialyzers remove more small wastes than healthy kidneys

Dialyzers do not remove as many middle molecules as healthy kidneys

Dialyzers remove more middle molecules than healthy kidneys

Dialyzers can remove anything kidneys can, in similar amounts

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* 8. How does a blood leak detector work?

A sensor tests the used dialysate for iron levels

A monitor checks for reduced blood volume

A continuous hemoglobin monitor is used

A light beam is interrupted by red blood cells

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* 9. If a dialyzer membrane has a small surface area, how can the nephrologist ensure that more solutes are removed?

Prescribe extra heparin

Prescribe longer treatments

Prescribe a lower blood flow rate

Prescribe a lower dialysate flow rate

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* 10. “Complement activation” can best be described by which of the following choices?

A result of too much hemodialysis

The patient’s response to good transplant news

A parasympathetic nervous system reflex

An immune response to a foreign substance

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* 1. How many compartments does a dialyzer contain?

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* 2. How can you tell if a dialyzer has a synthetic membrane?

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* 3. Where in the extracorporeal circuit are you most likely to find a saline infusion line?

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* 4. In dialysis, another word for flux is:

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* 5. Dialysate enters a dialyzer through the _____ and exits through the _____.

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* 6. In dialysis, how does a Biomedical Technician differ from a Patient Care Technician?

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* 7. How do dialyzers compare to normal, healthy kidneys?

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* 8. How does a blood leak detector work?

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* 9. If a dialyzer membrane has a small surface area, how can the nephrologist ensure that more solutes are removed?

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* 10. “Complement activation” can best be described by which of the following choices?

* 5. Dialysate enters a dialyzer through the _ and exits through the _.