Medical Laboratory Technician (MLT) Exam Practice Test!

100 Questions | Total Attempts: 44530

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Medical Laboratory Technician (MLT) Exam Practice Test!

Medical Laboratory Technician is a person who performs all the microscopic and bacteriological operations such as testing cells, tissues, fluids, human blood, etc. for medical and research purposes, and it's all done a medical technologist. Can you answer the following medical test questions? Test your knowledge on this MLT quiz to see how good you perform and compare your score to others.


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Questions and Answers
  • 1. 
    • A. 

      Lower the concentration of the analyte

    • B. 

      Higher the concentration of the analyte

    • C. 

      More light transmitted

    • D. 

      Longer the wavelength required

  • 2. 
    • A. 

      5.0N

    • B. 

      1.0N

    • C. 

      0.5N

    • D. 

      0.4N

  • 3. 
    Carbohydrates are organic compounds of 1. carbon 2. hydrogen 33. oxygen
    • A. 

      1 and 2 only

    • B. 

      1 and 3 only

    • C. 

      2 and 3 only

    • D. 

      1,2, and 3

  • 4. 
    If test results are within +/-2 standard deviations, the ratio of test results beyond the +/-2 SD limit will be 1 out of
    • A. 

      3

    • B. 

      5

    • C. 

      20

    • D. 

      300

  • 5. 
    • A. 

      1.0 mL of serum + 5.0 mL of diluent

    • B. 

      1.0 mL of serum + 4.0 mL of diluent

    • C. 

      1.0 mL of serum + 6.0 mL of diluent

    • D. 

      5.0 mL of serum + 1.0 mL of diluent

  • 6. 
    WHich one of the following is a function of gamma globulin?
    • A. 

      Transports glucose

    • B. 

      Regulates body temperature

    • C. 

      Performs as fibrinogen for blood coagulation

    • D. 

      Provides humoral immunity

  • 7. 
    Which instruments do NOT measure concentrations of a particular molecule but of the total ions and molecules in general (number of moles per kilogram of water)?
    • A. 

      Osmometers

    • B. 

      Spectrophotometers

    • C. 

      Blood gas analyzers

    • D. 

      Immunochemical analyzers

  • 8. 
    Osmolality of a solution is determined by measuring
    • A. 

      Freezing point depression

    • B. 

      Refractive index

    • C. 

      Specific gravity

    • D. 

      Ionic strength

  • 9. 
    Most methods for the determination of blood creatinine are based on the reaction of creatinine and 
    • A. 

      Sulfuric acid

    • B. 

      Alkaline picrate

    • C. 

      Acetic anhydride

    • D. 

      Ammonium hydroxide

  • 10. 
    All of the following influence glomerular filtration EXCEPT
    • A. 

      Decreased renal blood flow and cardiac failure

    • B. 

      Cardiac failure and renal or urinary calculi

    • C. 

      Renal or urinary calculi and decreased renal blood flow

    • D. 

      Hyperglycemia and renal tubule malfunction

  • 11. 
    Unconjugated bilirubin is also known as
    • A. 

      Conjugated bilirubin

    • B. 

      Prehepatic bilirubin

    • C. 

      Total bilirubin

    • D. 

      Biliverdin

  • 12. 
    Alkaline phosphatase is GREATLY elevated in 
    • A. 

      Kidney disease

    • B. 

      Liver disease

    • C. 

      Myocardial infarction

    • D. 

      Obstructive jaundice

  • 13. 
    The ketone bodies include acetoacetic acid, acetone, and 
    • A. 

      Lactic acid

    • B. 

      3-hydroxy butyric acid

    • C. 

      Oxaloacetic acid

    • D. 

      Acetic acid

  • 14. 
    Blood glucose levels are directly regulated by the hormone
    • A. 

      ACTH

    • B. 

      Insulin

    • C. 

      Thyroxin

    • D. 

      Hydrocortisone

  • 15. 
    Albumin, alpha1, alpha2, beta, and gamma globulin are electrophoretic fractions of 
    • A. 

      Hemoglobin

    • B. 

      Amino acid

    • C. 

      Serum protein

    • D. 

      Serum lipoprotein

  • 16. 
    Which one of the following methods could be used to study protein abnormality?
    • A. 

      Isoenzyme electrophoresis

    • B. 

      Immunoelectrophoresis

    • C. 

      Electrophoresis of penicilliamine-treated serum

    • D. 

      Blood viscosity studies

  • 17. 
    Which of the following enzymes are present in heart muscle? 1. lactic dehydrogenase (LDH) (LD) 2. creatinine phosphokinase (CPK) (CK) 3. serum glutamic oxaloacetic transaminase (SGOT)
    • A. 

      2 only

    • B. 

      1 and 2 only

    • C. 

      2 and 3 only

    • D. 

      1,2, and 3

  • 18. 
    Most of the plasma thyroxine (T4) is
    • A. 

      Bound to globulin

    • B. 

      Bound to albumin

    • C. 

      Free

    • D. 

      Bound to cholesterol

  • 19. 
    Sodium is responsible for the maintenance of 
    • A. 

      Blood coagulation

    • B. 

      Osmotic pressure of body fluids

    • C. 

      Cardiac muscle contractions

    • D. 

      Salt intake

  • 20. 
    When using a buffer with a pH of 8.6, each of the serum proteins in an electrical field migrates toward
    • A. 

      The positive pole

    • B. 

      The negative pole

    • C. 

      Either pole

    • D. 

      Both poles

  • 21. 
    The end-product of purine metabolism is
    • A. 

      Urea

    • B. 

      Creatine

    • C. 

      Creatinine

    • D. 

      Uric acid

  • 22. 
    • A. 

      Normal distribution curve

    • B. 

      Mean deviation curve

    • C. 

      Shift

    • D. 

      Trend

  • 23. 
    The degree that a procedure deviates from a known value or from a calculated mean value is known as
    • A. 

      Coefficient variation

    • B. 

      Quality control

    • C. 

      Stardard deviation

    • D. 

      Percent deviation

  • 24. 
    Which one of the following hemoglobin determination methods is recommended by the International Committee for Clinical Laboratory Standards and the National Committee for Clinical Laboratory Standards?
    • A. 

      Oxyhemoglobin

    • B. 

      Sulfhemoglobin

    • C. 

      Methemoglobin

    • D. 

      Cyanmethemoglobin

  • 25. 
    When using white blood cell pipets for performing a white cell count, blood is diluted
    • A. 

      1:200

    • B. 

      1:50

    • C. 

      1:20

    • D. 

      1:10