Pre-Diploma in Medical Lab Technology (Lab Assistant) Model Test

Here are Pre-Diploma in Medical Lab Technology (Lab Assistant) Model Test for your reference.

Total Questions: 25
Time Limit: 1/2 hour
Type: Multiple Choice Questions (MCQs)

Section 1: Laboratory Safety & Ethics (10 Questions)

1. Which of the following is the first step when handling a chemical spill in the lab?
   a) Neutralize the spill immediately
   b) Report to the supervisor and follow spill cleanup procedures
   c) Mop the area with water
   d) Evacuate the lab immediately
2. What does PPE stand for in a laboratory setting?
   a) Professional Protective Equipment
   b) Personal Protective Equipment
   c) Public Protection Essentials
   d) Primary Pathogen Elimination
3. Which biosafety level (BSL) is required for handling highly infectious pathogens like Mycobacterium tuberculosis?
   a) BSL-1
   b) BSL-2
   c) BSL-3
   d) BSL-4
4. In case of a needle stick injury, the first action should be:
   a) Report to the lab supervisor
   b) Wash the affected area with soap and water
   c) Ignore if there is no visible injury
   d) Apply antiseptic and continue work
5. The best way to dispose of used blood collection tubes is:
   a) In a regular trash bin
   b) In a biohazard sharps container
   c) By autoclaving and reusing
   d) By flushing down the sink

Section 2: Microbiology (10 Questions)

6. Which staining technique is used to differentiate between Gram-positive and Gram-negative bacteria?
   a) Acid-fast staining
   b) Gram staining
   c) Endospore staining
   d) Wright’s stain
7. What is the primary purpose of culture media in microbiology?
   a) To kill bacteria
   b) To identify bacteria using color reactions
   c) To provide nutrients for bacterial growth
   d) To sterilize laboratory equipment
8. Which type of bacteria appears pink after Gram staining?
   a) Gram-positive bacteria
   b) Gram-negative bacteria
   c) Acid-fast bacteria
   d) Spore-forming bacteria
9. The most common method for sterilizing microbiological media is:
   a) Filtration
   b) Boiling
   c) Autoclaving
   d) Dry heat sterilization
10. What is the incubation temperature for most human pathogens in microbiology labs?
    a) 25°C
    b) 37°C
    c) 50°C
    d) 4°C

Section 3: Hematology (10 Questions)

11. What is the normal range of hemoglobin (Hb) for an adult male?
    a) 8-10 g/dL
    b) 10-12 g/dL
    c) 13-17 g/dL
    d) 18-22 g/dL
12. Which anticoagulant is commonly used for complete blood count (CBC) tests?
    a) Sodium citrate
    b) Heparin
    c) EDTA
    d) Lithium heparin
13. What is the main function of red blood cells?
    a) Clot formation
    b) Oxygen transport
    c) Immune response
    d) Enzyme production
14. A decrease in white blood cell count is known as:
    a) Leukocytosis
    b) Leukopenia
    c) Thrombocytosis
    d) Erythrocytosis
15. Platelets are primarily responsible for:
    a) Oxygen transport
    b) Immunity
    c) Blood clotting
    d) Hormone secretion

Section 4: Clinical Chemistry (10 Questions)

16. The normal fasting blood glucose range for a healthy adult is:
    a) 40-70 mg/dL
    b) 70-99 mg/dL
    c) 100-140 mg/dL
    d) Above 140 mg/dL
17. The enzyme ALT (Alanine Aminotransferase) is mainly associated with which organ?
    a) Heart
    b) Liver
    c) Kidney
    d) Brain
18. What is the function of cholesterol in the human body?
    a) Energy production
    b) Hormone synthesis and cell membrane structure
    c) Protein metabolism
    d) Oxygen transport
19. Urea is a waste product mainly excreted by the:
    a) Liver
    b) Kidney
    c) Lungs
    d) Pancreas
20. What does an increased creatinine level indicate?
    a) Liver failure
    b) Kidney dysfunction
    c) Diabetes
    d) Anemia

Section 5: Basic Lab Procedures & Instrumentation (10 Questions)

21. What is the most common method for measuring hemoglobin levels in a lab?
    a) Centrifugation
    b) Spectrophotometry
    c) Urinalysis
    d) Microscopy
22. Which type of microscope is most commonly used in a medical lab?
    a) Electron microscope
    b) Compound light microscope
    c) Fluorescence microscope
    d) Phase-contrast microscope
23. What is the purpose of centrifugation in a lab?
    a) To mix solutions
    b) To separate components of a sample based on density
    c) To kill bacteria
    d) To heat samples
24. Which of the following is the first step in performing a urine dipstick test?
    a) Centrifuging the urine sample
    b) Shaking the urine sample
    c) Dipping the test strip and comparing colors to a chart
    d) Mixing the sample with a chemical reagent
25. A spectrophotometer is used to measure:
    a) The number of bacteria in a sample
    b) The intensity of light absorbed by a sample
    c) The electrical conductivity of blood
    d) The size of cells under a microscope