DHA Exam Questions for Lab Technician
- 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
- 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
- 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)
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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 ✅
- 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
- 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 ✅
- 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
- 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
- What type of laboratory technologist specializes in the study of blood disorders and diseases?
- a) Hematologist ✅
- b) Cytotechnologist
- c) Clinical chemist
- d) Phlebotomist
- In clinical chemistry, what does “lipid panel” typically measure?
- a) Blood glucose levels
- b) Cholesterol and triglycerides ✅
- c) Hemoglobin A1c
- d) Blood electrolytes
- 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
- 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
- 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
- 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
- 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
- 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
