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Certified-Hemodialysis-Technician-CHT

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Page 1: CHT Practice Exam

Certified-Hemodialysis-Technician-CHT

Page 2: CHT Practice Exam

The Board of Nephrology Examiners Nursing Technology (BONENT) is a non-profit organization promoting excellence in the quality of care of nephrology patients in the United States and many countries around the world.

Page 3: CHT Practice Exam

Certified Hemodialysis Technologist/Technician (CHT) Certified Hemodialysis Nurse (CHN) Certified Peritoneal Dialysis Nurse (CPDN) Certified Hemodialysis Bio-Medical Technician (CHBT)

Page 4: CHT Practice Exam

Certified-Hemodialysis-Technician-CHT

The BONENT Certified Hemodialysis Technologist/Technician examination measures technical proficiency in certain skills and general areas of knowledge. The examination tests the following five major domains of practice and tasks performed in the scope of hemodialysis technology:

Page 6: CHT Practice Exam

Which of the following immunosuppressive drugs directly eliminates T cells?

A. OKT3B. CyclosporineC. AzathioprineD. Sirolimus

Answer: A

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Page 7: CHT Practice Exam

Which of the following immunosuppressive drugs directly blocks IL-2 production?

A. OKT3B. CyclosporineC. AzathioprineD. Sirolimus

Answer: B

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Page 8: CHT Practice Exam

To make physiological saline approximately how many grams of sodium chloride are required per 100ml of water?

A. 0.0085B. 0.085C. 0.85D. 8.5

Answer: C

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Page 9: CHT Practice Exam

If 100g of NaCl (Na=22.99 g/Mole, Cl=35.43 g/Mole) are dissolved in 1500ml of water what is the molarity of the resulting solution?

A. 0.23MB. 0.58MC. 0.75MD. 1.14M

Answer: D

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Page 10: CHT Practice Exam

When pipetting the components of a PCR mix according to a recipe, which parameter is most important variable in achieving a successful PCR amplification?

A. Pipetter PrecisionB. Pipetter AccuracyC. Pipetter ReproducibilityD. Pipetter ResolutionE. Pipetter Display: Digital versus Analog

Answer: B

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Page 11: CHT Practice Exam

New crossmatch assay "X" was evaluated in your laboratory. 100 cell-sera combinations were chosen and then tested using AHG-CDC and assay "X". AHG-CDC identified 50 positive crossmatches. Assay "X" reported 3 positive crossmatches that were negative by AHG-CDC. Assay "X" reported 17 negative crossmatches that were positive by CDC. All other results were the same. Assuming that AHG-CDC is the gold standard, what is the specificity of assay "X"?

A. 17%B. 47%C. 33%D. 94%

Answer: D

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Page 12: CHT Practice Exam

New crossmatch assay "X" was evaluated in your laboratory. 100 cell-sera combinations were chosen and then tested using AHG-CDC and assay "X". AHG-CDC identified 50 positive crossmatches. Assay "X" reported 3 positive crossmatches that were negative by AHG-CDC. Assay "X" reported 17 negative crossmatches that were positive by CDC. All other results were the same.Assuming that AHG-CDC is the gold standard, what is the sensitivity of assay "X"?

A. 17%B. 66%C. 33%D. 80%

Answer: B

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Page 13: CHT Practice Exam

New crossmatch assay "X" was evaluated in your laboratory. 100 cell-sera combinations were chosen and then tested using AHG-CDC and assay "X". AHG-CDC identified 50 positive crossmatches. Assay "X" reported 3 positive crossmatches that were negative by AHG-CDC. Assay "X" reported 17 negative crossmatches that were positive by CDC. All other results were the same. What is the concordance between these assays?

A. 51%B. 17%C. 3%D. 80%

Answer: D

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Page 14: CHT Practice Exam

Pure water is critical in many laboratory applications. Type I water is defined as having a high purity because it has a ______ of 10.0

A. ClarityB. Surface TensionC. ResistivityD. PH

Answer: C

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Page 15: CHT Practice Exam

Which of the following statements is true regarding molality, molarity, and normality?

A. Molarity is the same thing as molality when using hexane as a solventB. Normality is the same thing as molality for acid but not basesC. In a solution of glucose, C6H12O6, normality has the same value as molarityD. In a solution of sulfuric acid, H2SO4, normality has the same value as molarity

Answer: C

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Page 16: CHT Practice Exam

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