(PRACTICE EXAM) 2026 QUESTIONS WITH ANSWERS
What part of the body does livor mortis occur?
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A. Hands
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B. Liver
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C. Lowest extremities
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D. Heart - ans-C. Lowest extremities
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Which of the following tests has the potential to be the most harmful and therefore is not co
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mmonly used? xz
A. Tetramethylbenzidine
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B. Phenolpthalein
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C. Benzidine
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D. Luminol - ans-C. Benzidine
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What is the most abundant protein in blood serum?
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A, Hemoglobin
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B. Albumin
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C. Globulin
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D. Fibrin - ans-B. Albumin
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Semen fluoresces due to the presence of -----------.
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A. Taq polymerase
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B. Pseudomonas bacteria
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C. Flavins
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D. B and C - ans-B. Pseudomonas bacteria
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The best screening test for saliva is --------.
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A. Acid phosphatase mapping
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B. P30 mapping
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C. Amylase mapping
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D. Glucose mapping - ans-B. P30 mapping
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Which animal is most commonly used to create antisera?
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A. Hen
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B. Horse
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C. Goat
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D. Rabbit - ans-D. Rabbit
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True or False - The shape of a molecule will affect its mobility
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True
, False - ans-True xz xz
Which of these would not be correct?
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A. Red cell Ag = A + Serum Ab = B -> ABO type is B
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B. Red cell Ag = B + Serum Ab = A --> ABO type is B
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C. Red cell Ag = A and B + Serum Ab = None --> ABO type is AB
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D. Red cell Ag = None + Serum Ab = A and B --> ABO type is O - ans-
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A. Red cell Ag = A + Serum Ab = B -> ABO type is B
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What is the most reliable and commonly used blood testing method that identifies the prese
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nce of agglutinogens (antigens)?
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A. Absorption elution
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B. Lattes test
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C. Absorption inhibition
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D. Mixed agglutination - ans-A. Absorption elution
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True or False - PGM can be found in blood, vaginal secretions and semen?
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True
False - ans-True xz xz
What component of blood becomes activated when the circulatory system is breached and
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loss of blood occurs?
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A. Hemoglobin
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B. Platelets
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C. Glucose and hormones
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D. Fibrin - ans-B. Platelets
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Which one of the following methods is not a DNA quantitation technique?
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A. Slot blot
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B. Real-time PCR
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C. Picogreen Assay
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D. Western blot - ans-D. Western blot
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In the laboratory a drug sample that is a false negative is associated with:
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A. The failure of the analytical test
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B. Can result in critical data being lost
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C. Is considered a less serious error than a false positive
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D. All of the above - ans-D. All of the above
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A crystalline drug has a repeating arrangement of individual molecules (crystal lattice) and
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a characteristically narrow melting point range.
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True
False - ans-True xz xz
What color is produced by Marquis' reagent in the presence of Opium Alkaloids?
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A. Orange
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