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Complete the lesson review. Choose the correct answer for each of the following questions.

  1. Investigators can link blood evidence to one individual by:
    1. using the Kastle-Meyer test.
    2. observing the blood cells.
    3. comparing the DNA from the cells.
    4. determining the blood group.

    2. Answer: Investigators can link blood evidence to one individual by comparing the DNA from the cells.


  2. A person with A agglutinogens would have blood type:
    1. B
    2. A
    3. O
    4. AB

    3. Answer: A person with A agglutinogens would have blood type A.


  3. A person without A or B agglutinogens on their red blood cells would have blood type:
    1. A
    2. B
    3. AB
    4. O

    4. Answer: A person without A or B agglutinogens on their red blood cells would have blood type O.


  4. The clumping of red blood cells is called:
    1. agglutination.
    2. antibodies.
    3. metabolism.
    4. a blood factor.

    5. Answer: The clumping of red blood cells is called agglutination.


  5. Which substance turns pink in the presence of blood?
    1. hydrogen peroxide
    2. luminol
    3. phenolphthalein
    4. potassium chloride

    6. Answer: The phenolphthalein substance turns pink in the presence of blood.


  6. _____ would be considered a presumptive test for blood.
    1. Plasma testing
    2. Gel electrophoresis
    3. Blood typing
    4. Luminol

    7. Answer: Luminol would be considered a presumptive test for blood.


  7. The circulating proteins found in the blood plasma that defend the body are called:
    1. antigens.
    2. antibodies.
    3. agglutinogens.
    4. antiserum.

    8. Answer: The circulating proteins found in the blood plasma that defend the body are called antibodies.


  8. A _____ test can confirm that a substance is or is not blood.
    1. presumptive
    2. blood typing
    3. DNA
    4. confirmatory

    9. Answer: A confirmatory test can confirm that a substance is or is not blood.


  9. A person that has the Rh protein on their red blood cells is said to be:
    1. Rh+
    2. Rh-
    3. RH donor
    4. a Rhesus monkey

    10. Answer: A person that has the Rh protein on their red blood cells is said to be Rh+.

 

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