Deck 21: Forensic Serology

Question 1

Why is Dr. Karl Landsteiner important in the field of forensic serology?
a.identifying semen
b.identifying the A, B, O blood group antigens
c.developing the PSA test
d.identifying red blood cells

Answer 1

identifying the A, B, O blood group antigens

Question 2

How long has science played a role in criminal investigations?
a.50 years
b.100 years
c.hundreds of years
d.since the television show CSI first airedx

Answer 2

hundreds of years

Question 3

To which electric charge are samples and antiserum added to wells in an agarose gel o obtain a precipitin line?
a.ring precipitin
b.ELISA
c.radioimmunoassay
d.crossover electrophoresis

Answer 3

crossover electrophoresis

Question 4

Serological techniques are essential tools used in forensic science laboratories to aid in criminal investigations concerning which of the following?
a.sexual assaults
b.homicides
c.drug abuse
d.all of the above

Question 5

What is the analysis of biological samples to detect drugs of abuse, poisons, and alcohol known as?
a.forensic toxicology
b.forensic anthropology
c.forensic biology
d.forensic chemistry

Question 6

Which of the following procedures could be used to determine whether blood found at a crime scene is that of the victim or the family dog?
a.ring precipitin
b.crossover electrophoresis
c.both A and B
d.none of the above

Question 7

The principle of commercially available ELISA test kits is based on
a.antigens diffusing through an agarose gel
b.oxidase activity of an enzyme
c.competitive binding of antigens to antibodies
d.antigens migrating through an electric field

Question 8

Albumin, acid phosphatase, and prostate specific antigen are components of which biological fluid?
a.blood
b.semen
c.saliva
d.urine

Question 9

Methods used to detect the presence of prostate specific antigen include which of the following?
a.electrophoresis
b.Ouchterlony
c.immunochromatographic sandwich assay
d.all of the above

Question 10

What is the most common biological fluid encountered at a crime scene?
a.blood
b.urine
c.semen
d.saliva

Question 11

For what branch of forensic science is immunological procedure used for the identification of bodily fluids as well as foreign substances in the body?
a.serology
b.anthropology
c.physics
d.psychology

Question 12

Who is known as the father of toxicology?
a.Alphonse Bertillon
b.Dr. Karl Landsteiner
c.Mathieu Orfila
d.Sherlock Holmes

Question 13

Which of the following is not an advantage of using biochip arrays in forensic toxicology?
a.reduced testing time
b.only one drug from a single sample analyzed
c.high throughput analysis
d.small sample size required

Question 14

Hair can be used to detect which of the following illegal substances?
a.ecstasy
b.cocaine
c.cannabinoids
d.all of the above

Question 15

Forensic scientists rely on the presence of hemoglobin to identify which of the following biological fluids?
a.blood
b.urine
c.semen
d.saliva

Question 16

Saliva can be used to help identify the perpetrators of which of the following crimes?
a.sexual assault
b.burglary
c.both A and B
d.none of the above

Question 17

Which of the following is not an immunoassay to detect drugs or drug metabolites in biological specimens?
a.radioimmunoassay
b.protein immunoassay
c.enzyme linked immunosorbent assay
d.fluorescence polarization immunoassay

Question 18

What is the most common assay type used for drug screening?
a.radioimmunoassay
b.agglutination
c.electrophoresis
d.ELISA

Question 19

The analysis of evidence to detect the presence of biological fluids such as blood, semen, and saliva is referred to as what?
a.forensic odontology
b.forensic biology
c.forensic psychiatry
d.forensic toxicology

Question 20

Which serological test is used to detect the presence of semen?
a.urease
b.hemoglobin
c.prostate specific antigen
d.starch iodine

Question 21

Which of the following is a radial diffusion test to detect the presence of saliva?
a.ring precipitin
b.crossover electrophoresis
c.starch iodine test
d.immunochromatography

Question 22

The presence of urea and creatinine is an indicator that the collected stain is which of the following biological fluids?
a.blood
b.semen
c.saliva
d.urine

Question 23

Which of the following is not a method routinely used to detect saliva?
a.ring precipitin
b.starch iodine test
c.procedures testing for the digestive activity of alpha amylase
d.immunoassays using monoclonal antibodies against human salivary alpha amylase

Question 24

Which of the following alternative antigens are currently being evaluated to be used in new procedures to characterize biological fluids ?
a.semenogelin and uroplakin III
b.prostate specific antigen and hemoglobin
c.semenogelin and hemoglobin
d.uroplakin III and creatinine

Question 25

Salivary alpha amylase is found in which biological fluid?
a.semen
b.saliva
c.urine
d.all of the above