Deck 8: Fingerprints

Question 1

Which of the following statements is false?

A) Spermatozoa can generally be found in the vagina of a living female after 3 days.
B) Semen is unequivocally identified by the presence of spermatozoa.
C) The likelihood of finding seminal acid phosphatase in vaginal swabs decreases with time.
D) The enzyme p30 may be detected in the vaginal cavity up to 24 hours after intercourse.
E) Semen will contain the enzyme p30

Answer 1

A

Question 2

Paternity testing is done involving a woman with type AB blood who has accused a man with type B blood of fathering her child who has tested AB. What can be determined in this case?

A) The male is definitely not the father of the child.
B) The child cannot belong to this mother.
C) The male could have fathered the child.
D) The male definitely IS the father of the child.
E) none of the above

Answer 2

C

Question 3

In which phenotype pairings can the genotypes of the individuals be directly known?

A) type A and type AB
B) type AB and type O
C) type A and type B
D) type O and type A
E) type B and type O

Answer 3

B

Question 4

Antibodies are found:

A) in the solid portion of blood.
B) in fibrinogen.
C) on the red blood cells.
D) in the blood serum.
E) on the white blood cells.

Question 5

Evidence to substantiate that a rape occurred could include:

A) physical injuries.
B) blood and semen.
C) hairs.
D) fibers.
E) all of the above

Question 6

A stain can tentatively be identified as blood by:

A) the phenolphthalein test.
B) the Bluestar® test.
C) the luminol test.
D) the benzidine test
E) all of the above.

Question 7

EMIT is NOT a(n):

A) popular test in toxicology laboratories.
B) screening test for suspected marijuana smoking.
C) speedy test to detect methadone in urine.
D) highly specific process to identify drugs in blood.
E) immunological assay technique that utilizes antibodies.

Question 8

To determine whether a bloodstain is of human or animal origin, the serologist will perform:

A) an analysis with Hemastix strips.
B) the luminol test.
C) EMIT.
D) RIA.
E) a precipitin test.

Question 9

Which blood components are directly pertinent to the forensic aspects of blood identification?

A) white blood cells
B) blood serum
C) red blood cells
D) platelets
E) both B and C

Question 10

An individual who is type O has:

A) O antibodies.
B) A antibodies.
C) B antibodies.
D) both A and B antibodies.
E) neither A nor B antibodies.

Question 11

The sensitivity of the Takayama and Teichmann crystal tests for the identification of bloodstains is ________ the sensitivity of the Kastle-Meyer color test for bloodstain identification.

A) less than
B) greater than
C) the same as

Question 12

What is true about monoclonal antibodies?

A) They are expected to be medicine's version of the "magic bullet."
B) They are produced utilizing rapidly multiplying blood-cancer cells.
C) They can be produced in limitless supply.
D) They are produced by injecting a mouse with an antigen.
E) all of the above

Question 13

Type AB blood contains:

A) both anti-A and anti-B antibodies.
B) anti-A antibodies and B antigens.
C) anti-A antigens and anti-B antibodies.
D) both A and B antigens.
E) None of the above: type AB blood has no antigens or antibodies.

Question 14

If blood is found to have both A and B antigens it is typed as:

A) O
B) Rh positive
C) A
D) B
E) AB

Question 15

The presence or absence of how many antigens determines an individual's blood type in the A-B-O system?

A) 2
B) 3
C) 0
D) 1
E) 4

Question 16

In the United States, the rarest blood type is:

A) A.
B) B.
C) O.
D) AB.
E) Rh positive.

Question 17

Which of the following statements is false?

A) The bonding of an antigen with its specific antibody causes agglutination.
B) All bloods contain the enzyme peroxidase.
C) A-B-O antigens are present in all human blood.
D) The Kastle-Meyer test is used to determine whether blood is of human origin.
E) Dried bloodstains may tentatively be identified as blood by a peroxidase test.

Question 18

In routine blood banking, which antigen(s) must be determined in testing for compatibility?

A) D
B) A
C) B
D) all of the above
E) none of the above

Question 19

PSA (p30) is a:

A) platelet disorder specific to leukemia patients.
B) polymorphic enzyme found in red blood cells.
C) protein unique to seminal plasma.
D) blood enzyme used to discriminate bloodstains.
E) protein specific to females.

Question 20

The amount of acid phosphatase in seminal fluid is ________ the amount of acid phosphatase in blood.

A) less than
B) the same as
C) greater than

Question 21

A gene pair made up of two similar alleles-for example, AA and BB-is said to be:

A) homozygous.
B) complementary.
C) monoclonal.
D) polyclonal.
E) heterozygous.

Question 22

The D antigen is also known as the ___________ antigen.

A) monoclonal
B) X
C) polyclonal
D) Rh
E) AB

Question 23

List the lab tests that are used to characterize seminal stains.

Question 24

The clumping together of red blood cells by the action of an antibody is known as:

A) radioimmunology
B) agglutination
C) serology
D) clotting
E) blood typing

Question 25

Create a table showing the four blood types, their antigens and their antibodies.

Question 26

___________ transport oxygen from the lungs to the body tissues and carry carbon dioxide back to the lungs.

A) lymphocytes
B) sickle cells
C) white blood cells
D) alveoli
E) red blood cells

Question 27

Describe how blood and semen are to be properly preserved.

Question 28

Explain the difference between monoclonal and polyclonal antibodies.

Question 29

List and describe the presumptive tests used to determine if a stain is blood.

Question 30

Diagram and describe the antibody antigen reaction.