Here is the important DHA exam questions for lab technician pdf.

• What is the primary purpose of a clinical laboratory in healthcare? a) Administering vaccines
  b) Diagnosing diseases
  c) Performing surgical procedures
  d) Managing patient records Answer: b) Diagnosing diseases
• Which of the following is a common role of a clinical laboratory technologist? a) Performing surgery
  b) Analyzing blood samples
  c) Writing prescriptions
  d) Conducting physical examinations Answer: b) Analyzing blood samples
• Which laboratory sub-specialty focuses on the study of blood and blood-related disorders? a) Microbiology
  b) Hematology
  c) Histopathology
  d) Clinical chemistry Answer: b) Hematology
• What is the purpose of quality control in a clinical laboratory? a) Reducing costs
  b) Ensuring patient comfort
  c) Maintaining accuracy and precision of test results
  d) Increasing the volume of tests conducted Answer: c) Maintaining accuracy and precision of test results

• What is the minimum educational requirement to become a clinical laboratory technologist? a) High school diploma
  b) Associate’s degree
  c) Bachelor’s degree
  d) Master’s degree Answer: c) Bachelor’s degree
• Which of the following is not typically performed in a clinical laboratory? a) Blood typing
  b) Electrocardiography (ECG)
  c) Urinalysis
  d) Culture and sensitivity testing Answer: b) Electrocardiography (ECG)
• How do clinical laboratory technologists ensure the accuracy of test results? a) By using outdated equipment
  b) By skipping quality control measures
  c) By regularly calibrating equipment and following standardized procedures
  d) By increasing testing volume Answer: c) By regularly calibrating equipment and following standardized procedures
• What technology has significantly improved the efficiency of clinical laboratories in recent years? a) Microscopes
  b) Fax machines
  c) Artificial intelligence
  d) Paper-based records Answer: c) Artificial intelligence
• What is the primary function of a clinical laboratory in ensuring blood transfusion safety? a) Ordering the blood supply
  b) Cross-matching blood types
  c) Prescribing blood transfusions
  d) Monitoring patient vital signs Answer: b) Cross-matching blood types
• What role do clinical laboratories play in tracking disease outbreaks and public health? a) They administer vaccines.
  b) They conduct surgery.
  c) They diagnose diseases.
  d) They provide data for epidemiological research. Answer: d) They provide data for epidemiological research.

• Which type of laboratory technician is responsible for the analysis of microorganisms and infectious agents in clinical samples? a) Hematologist
  b) Histotechnologist
  c) Microbiologist
  d) Cytotechnologist Answer: c) Microbiologist
• What is the primary responsibility of a cytotechnologist? a) Analyzing blood samples
  b) Conducting urinalysis
  c) Examining tissue specimens for signs of cancer
  d) Running PCR tests Answer: c) Examining tissue specimens for signs of cancer
• In a clinical laboratory, what does the term “serology” refer to? a) Study of blood disorders
  b) Study of blood serum
  c) Study of tissue samples
  d) Study of genetic material Answer: b) Study of blood serum

• 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 Answer: c) Blood glucose monitoring
• 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 Answer: c) Ensuring quality and accuracy of testing
• 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) Answer: b) FDA (Food and Drug Administration)
• 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 Answer: c) Drawing blood from patients
• 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 Answer: c) Hemoglobin A1c 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 Answer: b) Analyzing blood for chemical components
• 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 Answer: a) Histotechnologist
• 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 Answer: b) The process of blood clotting
• : 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 Answer: c) Detecting specific proteins in tissue samples
• 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 Answer: c) Complete blood count (CBC)
• 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 Answer: c) Ensuring blood transfusion safety
• 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 Answer: c) Storing and retrieving test results and patient data
• 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 Answer: c) Performing autopsies and post-mortem examinations
• Question: 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 Answer: b) Toxicology screen
• : 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 Answer: 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 Answer: c) Ensuring the reliability and accuracy of test results
• 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 Answer: 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 Answer: c) Identifying microorganisms and infectious agents
• 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 Answer: c) Analyzing test results
• What type of laboratory technologist specializes in the study of blood disorders and diseases? a) Hematologist
  b) Cytotechnologist
  c) Clinical chemist
  d) Phlebotomist Answer: a) Hematologist
• In clinical chemistry, what does “lipid panel” typically measure? a) Blood glucose levels
  b) Cholesterol and triglycerides
  c) Hemoglobin A1c
  d) Blood electrolytes Answer: b) Cholesterol and triglycerides
• 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 Answer: c) Overseeing the operation and quality of the laboratory
• 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 Answer: a) ELISA (Enzyme-Linked Immunosorbent Assay)
• 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 Answer: c) To protect the health and safety of laboratory personnel and patients
• 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 Answer: b) Storing and managing patient data and test results
• 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 Answer: c) Blood typing and cross-matching
• 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 Answer: c) Identifying genetic mutations and DNA markers

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