ABPath Chemical Pathology Practice Questions - American Board of Pathology Chemical Pathology Subspecialty Certification Examination Exam - ABPath Chemical Pathology Practice Questions - American Board of Pathology Chemical Pathology Subspecialty Certification Examination Exam

Question 1

A 55-year-old patient has a blood draw performed with a tourniquet applied for 5 minutes. Which analytes are most affected by prolonged venous stasis?

Sodium and chloride Protein, calcium, potassium, lactate, and enzymes (CK, AST, ALT) — falsely elevated due to hemoconcentration and hemolysis Only glucose None

Correct Answer:

Protein, calcium, potassium, lactate, and enzymes (CK, AST, ALT) — falsely elevated due to hemoconcentration and hemolysis

Question 2

A hemolyzed serum specimen will falsely ELEVATE which analytes?

Sodium only Potassium, LDH, AST, magnesium, phosphate, and iron due to release from lysed RBCs; also interferes with bilirubin and spectrophotometric assays Glucose Urea

Correct Answer:

Potassium, LDH, AST, magnesium, phosphate, and iron due to release from lysed RBCs; also interferes with bilirubin and spectrophotometric assays

Question 3

A specimen collected for potassium testing was stored in EDTA tube. Result is 2.1 mEq/L. Interpretation?

True hypokalemia Contamination/pseudohypokalemia — EDTA binds potassium, but more likely issue is contamination of sample with EDTA or sample from EDTA tube causing falsely LOW K+. Recollect in appropriate tube (red/SST for chemistry) Normal potassium Hyperkalemia

Correct Answer:

Contamination/pseudohypokalemia — EDTA binds potassium, but more likely issue is contamination of sample with EDTA or sample from EDTA tube causing falsely LOW K+. Recollect in appropriate tube (red/SST for chemistry)

Question 4

Pseudohyperkalemia from thrombocytosis or leukocytosis is diagnosed by:

Imaging Comparison of plasma (heparinized) vs serum K+; higher serum K+ (due to release during clot formation) indicates pseudohyperkalemia Urine K+ ECG

Correct Answer:

Comparison of plasma (heparinized) vs serum K+; higher serum K+ (due to release during clot formation) indicates pseudohyperkalemia

Question 5

Universal precautions in a clinical chemistry laboratory require:

Only eye protection Treating all specimens as potentially infectious — PPE (gloves, lab coat, eye protection), needle safety devices, no recapping, sharps containers, biosafety cabinet for aerosol-generating procedures, vaccine requirements (hepatitis B) Only lab coat No precautions

Correct Answer:

Treating all specimens as potentially infectious — PPE (gloves, lab coat, eye protection), needle safety devices, no recapping, sharps containers, biosafety cabinet for aerosol-generating procedures, vaccine requirements (hepatitis B)

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About this Exam

Prepare with the ABPath Chemical Pathology Practice Questions - American Board of Pathology Chemical Pathology Subspecialty Certification Examination Exam practice quiz. This question bank includes 100 questions covering screening, diagnosis, serum, measured, and analytes. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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ABPath Chemical Pathology Practice Questions - American Board of Pathology Chemical Pathology Subspecialty Certification Examination Exam

This practice set contains 100 questions from the matching question bank and focuses on screening, diagnosis, serum, measured, and analytes. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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About this Exam

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ABPath Chemical Pathology Practice Questions - American Board of Pathology Chemical Pathology Subspecialty Certification Examination Exam

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