DHA Exam Questions for Lab Technician

DHA Exam Questions for Lab Technician

  1. Which of the following is an example of a point-of-care test typically performed outside a traditional clinical laboratory?
    • a) Complete blood count (CBC)
    • b) Polymerase chain reaction (PCR)
    • c) Blood glucose monitoring ✅
    • d) Western blot analysis

  2. What is the primary goal of clinical laboratory accreditation?
    • a) Increasing patient wait times
    • b) Reducing laboratory efficiency
    • c) Ensuring quality and accuracy of testing ✅
    • d) Expanding the range of tests offered

  3. Which government agency in the United States is responsible for regulating clinical laboratory testing and ensuring its accuracy?
    • a) CDC (Centers for Disease Control and Prevention)
    • b) FDA (Food and Drug Administration) ✅
    • c) EPA (Environmental Protection Agency)
    • d) WHO (World Health Organization)

  4. What is the role of a phlebotomist in a clinical laboratory?
    • a) Performing surgical procedures
    • b) Analyzing tissue samples
    • c) Drawing blood from patients ✅
    • d) Conducting urinalysis

  5. Which laboratory test measures the level of glucose in a patient’s blood over an extended period, typically 2-3 months?
    • a) Fasting blood sugar test
    • b) Random blood sugar test
    • c) Hemoglobin A1c test ✅
    • d) Oral glucose tolerance test

  6. What is the primary function of a clinical chemistry technologist?
    • a) Analyzing blood for abnormal cells
    • b) Analyzing blood for chemical components ✅
    • c) Conducting genetic testing
    • d) Performing surgery

  7. Which type of laboratory technologist specializes in the preparation and examination of tissue samples for diagnostic purposes?
    • a) Histotechnologist ✅
    • b) Microbiologist
    • c) Hematologist
    • d) Phlebotomist

  8. What does the term “hemostasis” refer to in a clinical laboratory context?
    • a) The study of blood disorders
    • b) The process of blood clotting ✅
    • c) The analysis of urine samples
    • d) The measurement of blood glucose levels

  9. In a clinical laboratory, what does the term “immunohistochemistry” involve?
    • a) Studying the immune system
    • b) Analyzing the chemical composition of blood
    • c) Detecting specific proteins in tissue samples ✅
    • d) Identifying microorganisms in cultures

  10. Which laboratory test measures the number and types of blood cells in a given volume of blood?
    • a) Coagulation test
    • b) Electrolyte panel
    • c) Complete blood count (CBC) ✅
    • d) Western blot analysis

  11. What is the primary function of a clinical laboratory in blood banking?
    • a) Diagnosing infectious diseases
    • b) Monitoring glucose levels
    • c) Ensuring blood transfusion safety ✅
    • d) Analyzing urine samples

  12. Which of the following is a critical component of clinical laboratory information management?
    • a) Performing surgeries
    • b) Managing patient billing
    • c) Storing and retrieving test results and patient data ✅
    • d) Ordering medical supplies

  13. What is the primary purpose of an autopsy technician in a clinical laboratory setting?
    • a) Administering vaccines
    • b) Conducting genetic testing
    • c) Performing autopsies and post-mortem examinations ✅
    • d) Analyzing tissue samples

  14. Which laboratory test measures the level of certain drugs, medications, or substances in a patient’s blood?
    • a) Electrolyte panel
    • b) Toxicology screen ✅
    • c) Complete blood count (CBC)
    • d) Microbiological culture

  15. What role do clinical laboratories play in supporting clinical research and drug development?
    • a) Administering medications to patients
    • b) Conducting surgical procedures
    • c) Analyzing the safety of clinical trials
    • d) Testing and analyzing samples for research purposes ✅

  16. What is the primary purpose of a clinical laboratory’s quality assurance program?
    • a) Reducing patient wait times
    • b) Increasing testing volume
    • c) Ensuring the reliability and accuracy of test results ✅
    • d) Expanding the range of available tests

  17. Which laboratory specialty deals with the study of the genetic material and molecular structure of organisms?
    • a) Histotechnology
    • b) Cytotechnology
    • c) Clinical chemistry
    • d) Molecular diagnostics ✅

  18. What is the primary purpose of a microbiology technologist in a clinical laboratory?
    • a) Analyzing blood for chemical components
    • b) Studying the immune system
    • c) Identifying microorganisms and infectious agents ✅
    • d) Performing surgery

  19. Which of the following is not typically considered a pre-analytical factor in clinical laboratory testing?
    • a) Patient identification
    • b) Sample collection and handling
    • c) Analyzing test results ✅
    • d) Sample transportation

  20. What type of laboratory technologist specializes in the study of blood disorders and diseases?
    • a) Hematologist ✅
    • b) Cytotechnologist
    • c) Clinical chemist
    • d) Phlebotomist

  21. In clinical chemistry, what does “lipid panel” typically measure?
    • a) Blood glucose levels
    • b) Cholesterol and triglycerides ✅
    • c) Hemoglobin A1c
    • d) Blood electrolytes

  22. What is the primary role of a clinical laboratory manager or supervisor?
    • a) Drawing blood from patients
    • b) Analyzing test results
    • c) Overseeing the operation and quality of the laboratory ✅
    • d) Conducting autopsies

  23. Which of the following laboratory tests helps diagnose infectious diseases by detecting the presence of antibodies?
    • a) ELISA (Enzyme-Linked Immunosorbent Assay) ✅
    • b) Coagulation test
    • c) Complete blood count (CBC)
    • d) Electrolyte panel

  24. What is the primary purpose of clinical laboratory safety protocols?
    • a) To increase laboratory efficiency
    • b) To reduce testing volume
    • c) To protect the health and safety of laboratory personnel and patients ✅
    • d) To speed up test result reporting

  25. What is the primary function of a clinical laboratory information system (LIS)?
    • a) Managing laboratory finances
    • b) Storing and managing patient data and test results ✅
    • c) Performing diagnostic tests
    • d) Conducting quality control checks

  26. Which of the following laboratory tests is used to determine a patient’s blood type?
    • a) Coagulation test
    • b) Electrolyte panel
    • c) Blood typing and cross-matching ✅
    • d) Urinalysis

  27. What is the primary function of a clinical laboratory technologist in the field of molecular diagnostics?
    • a) Analyzing urine samples
    • b) Studying the immune system
    • c) Identifying genetic mutations and DNA markers ✅
    • d) Conducting autopsies

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