CTEVT Certificate in Medical Laboratory Technology (CMLT) – Model MCQ Question Set

Time: 45 Minutes
Full Marks: 30
(Each question carries 1 mark. Choose the correct answer.)

General Laboratory Practices and Safety

1. 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
2. The process of complete destruction of all forms of microbial life, including spores, is called:
   a) Disinfection
   b) Sterilization
   c) Pasteurization
   d) Antisepsis
3. Which personal protective equipment (PPE) is essential for working in a microbiology lab?
   a) Lab coat
   b) Gloves
   c) Face mask
   d) All of the above
4. What is the correct order of blood collection tubes when using a multi-sample needle?
   a) EDTA, heparin, citrate, serum
   b) Serum, citrate, heparin, EDTA
   c) Citrate, serum, heparin, EDTA
   d) Any order is acceptable
5. Which chemical is commonly used as a fixative in histopathology?
   a) Formalin
   b) Xylene
   c) Acetone
   d) Ethanol

Hematology

6. Which anticoagulant is used for complete blood count (CBC) testing?
   a) Sodium fluoride
   b) EDTA
   c) Sodium citrate
   d) Heparin
7. The normal hemoglobin level in adult males is approximately:
   a) 8-10 g/dL
   b) 12-16 g/dL
   c) 13-17 g/dL
   d) 18-22 g/dL
8. What is the most common white blood cell (WBC) type in a healthy adult?
   a) Eosinophil
   b) Basophil
   c) Lymphocyte
   d) Neutrophil
9. Which clotting factor is absent in hemophilia A?
   a) Factor VIII
   b) Factor IX
   c) Factor X
   d) Factor XII
10. Which type of anemia is caused by vitamin B12 deficiency?
    a) Iron deficiency anemia
    b) Megaloblastic anemia
    c) Aplastic anemia
    d) Hemolytic anemia

Clinical Biochemistry

11. The normal fasting blood glucose level in a healthy adult is:
    a) 50-80 mg/dL
    b) 70-100 mg/dL
    c) 110-150 mg/dL
    d) 150-200 mg/dL
12. Which enzyme is elevated in myocardial infarction?
    a) Amylase
    b) Creatine kinase-MB (CK-MB)
    c) Alkaline phosphatase
    d) Lipase
13. The main function of albumin in blood is to:
    a) Act as an enzyme
    b) Maintain osmotic pressure
    c) Transport oxygen
    d) Help in clotting
14. A high level of uric acid in the blood is associated with:
    a) Diabetes mellitus
    b) Gout
    c) Hypertension
    d) Hepatitis
15. The pH of normal human blood is:
    a) 6.8
    b) 7.35-7.45
    c) 7.8
    d) 8.0

Microbiology and Parasitology

16. The Gram stain differentiates bacteria based on differences in:
    a) DNA content
    b) Cell wall structure
    c) Ribosome size
    d) Capsule thickness
17. Which of the following bacteria is acid-fast?
    a) Streptococcus pneumoniae
    b) Escherichia coli
    c) Mycobacterium tuberculosis
    d) Staphylococcus aureus
18. Which test is used to identify Staphylococcus aureus?
    a) Coagulase test
    b) Indole test
    c) Catalase test
    d) Oxidase test
19. The causative agent of malaria is:
    a) Trypanosoma
    b) Plasmodium
    c) Leishmania
    d) Entamoeba
20. The vector for dengue fever is:
    a) Anopheles mosquito
    b) Aedes mosquito
    c) Culex mosquito
    d) Sandfly

Immunology and Serology

21. The Widal test is used to diagnose:
    a) Tuberculosis
    b) Typhoid fever
    c) Syphilis
    d) Malaria
22. Which immunoglobulin is the first to appear in an acute infection?
    a) IgA
    b) IgM
    c) IgG
    d) IgE
23. The ELISA test is commonly used for detecting:
    a) Blood group
    b) HIV infection
    c) Malaria
    d) Typhoid
24. The Mantoux test is used for diagnosing:
    a) Hepatitis B
    b) Tuberculosis
    c) HIV/AIDS
    d) Syphilis
25. The Rh factor is determined by the presence of:
    a) A antigen
    b) B antigen
    c) D antigen
    d) O antigen

Urinalysis and Clinical Pathology

26. The presence of ketones in urine may indicate:
    a) Hypertension
    b) Diabetes mellitus
    c) Urinary tract infection
    d) Hepatitis
27. Which crystal is commonly found in acidic urine?
    a) Triple phosphate
    b) Ammonium urate
    c) Uric acid
    d) Calcium carbonate
28. The confirmatory test for protein in urine is:
    a) Benedict’s test
    b) Sulfosalicylic acid (SSA) test
    c) Biuret test
    d) Coagulation test
29. Which parameter is not normally found in urine?
    a) Glucose
    b) Urobilinogen
    c) Urea
    d) Creatinine
30. The color of normal urine is due to the presence of:
    a) Hemoglobin
    b) Bilirubin
    c) Urochrome
    d) Myoglobin

CTEVT CMLT MCQ Answer Key